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Boss Files (Compendium of Rockman X)

From Mega Man Wiki

The Japan-only sourcebook Compendium of Rockman X includes Boss Files on every boss from Mega Man X to Mega Man X7. Because the book has never been officially translated into English, this page features fan translations done by volunteers at the Mega Man Wiki.

Boss Files

Mega Man X

Mega Man X has 15 Boss Files in the book (pages 24-29).

Mega Man X Boss Files
MMX - Chill Penguin Art 2.png
Snow Mountain Stage Chill Penguin
Weapon: Shotgun Ice Weakness: Fire Wave
Profile: A Reploid designed for cold regions, formerly of the 13th Polar Unit. He destroyed the Reploid who was his superior and escaped to join Sigma's rebellion. He specializes in ice attacks and snowstorms.
Attack: Effect:
Shotgun Ice Spits several horizontal ice shots in a row.
Ice Sculpture Creates two ice statues. If the breath hits X, it freezes him too.
Blizzard Hangs from the ceiling, causing a snowstorm that pushes any remaining ice sculptures.
Sliding Dashes by sliding on his belly.
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MMX - Spark Mandrill Art 2.png
Power Plant Stage Spark Mandrill
Weapon: Electric Spark Weakness: Shotgun Ice
Profile: A Reploid from the same 17th Unit as X. When his commander Sigma rebelled, he simply followed him. He shuts down the power plant to secure an exclusive energy supply.
Attack: Effect:
Dash Punch Punch attack that moves forwards. Flinches if hit by a Charge Shot.
Electric Spark Electric discharge that travels along the floor and walls.
Ceiling Climb Moves by hanging from the ceiling and climbing across the arena.
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MMX - Armored Armadillo Art 2.png
Gallery Stage Armored Armadillo
Weapon: Rolling Shield Weakness: Electric Spark
Profile: Former commander of 8th Armored Unit. He is a warrior with a durable skin who unconditionally follows the orders of his superiors. When he joined Sigma, he relinquished command of his Hunter unit and took over a mine for its mineral resources.
Attack: Effect:
Tackle Rolls up his body and dashes, bouncing off of surfaces.
Rapid-Fire Shot Fires several shots from the cannon on his head.
Guard Protects himself from Charge Shots, then counterattacks with a spread shot.
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MMX - Launch Octopus Art 2.png
Ocean Stage Launch Octopus
Weapon: Homing Torpedo Weakness: Rolling Shield
Profile: A Reploid from the 6th Naval Unit. He always disliked protecting the humans because of their weakness, and after sympathizing with Sigma he ended up participating in the rebellion. He attacks maritime cities and blocks shipping routes.
Attack: Effect:
Homing Torpedo Launches missiles consecutively.
Piranha Shoots four homing piranhas.
Whirlpool Creates a whirlpool, pulling X close so he can steal his Life Energy.
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MMX - Sting Chameleon Art 2.png
Forest Stage Sting Chameleon
Weapon: Chameleon Sting Weakness: Boomerang Cutter
Profile: A Reploid from the 9th Special Unit (Rangers). Despite his skills, he could never become a commander due to his bad reputation, so he saw the rebellion as an opportunity to take revenge. He is in charge of security at a front-line base.
Attack: Effect:
Chameleon Sting Fires shots in 3 directions from the tip of his tail.
Transparent Movement Moves while invisible, making him invincible until he reappears.
Tongue Flick Attack Approaches and extends his tongue to hit X.
Thorn Rain Summons a rain of thorns from the top of the arena.
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MMX - Storm Eagle Art 2.png
Sky Stage Storm Eagle
Weapon: Storm Tornado Weakness: Chameleon Sting
Profile: Commander of the 7th Airborne Unit. He initially fought against the rebel forces, but after losing in a confrontation with Sigma, he was subjugated. He took over an airport with a new type of aerial warship to block trade routes.
Attack: Effect:
Gust Flaps his wings violently to push X away.
Storm Tornado Shoots a tornado that sends X flying.
Diving Attacks from above by flying downwards.
Bird Summon Summons four birds to attack.
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MMX - Flame Mammoth Art 2.png
Factory Stage Flame Mammoth
Weapon: Fire Wave Weakness: Storm Tornado
Profile: Commander of the 4th Land Unit. He participated in Sigma's rebellion to show off the full extent of his power. He controls a factory district, working to transform it into a large-scale weapons factory.
Attack: Effect:
Earthquake When landing from a jump, the tremor makes X fall to the floor.
Flame Shoots fire from his buster.
Oil Places oil on the floor, which burns if lit by a flame.
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MMX - Vile Art.png
Sigma Stage 1 Vile
Weapon: None Weakness: Rolling Shield, Homing Torpedo
Profile: An SA-Class Maverick Hunter who was part of the 17th Unit, but was arrested for a dangerous abnormality in his electronic brain. Thanks to Sigma's rebellion, he is now free to cause as much destruction as he wants.
Attack: Effect:
Dash Attack Dashes at high speed.
Head Bomb Drops a bomb above X's head, which splits along the floor.
Electroshock Shot Fires a lightning ball from his shoulder cannon. If it hits X, it paralyzes him.
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MMX - Bospider Art.png
Sigma Stage 1 Bospider
Weapon: None Weakness: Shotgun Ice
Profile: The guardian waiting at the end of Sigma Stage 1. It crawls along its webs at high speeds to devour all intruders. Its body is covered with durable armor, but it shows its weak point immediately after attacking.
Attack: Effect:
Tackle Follows the route of the webs to crush X.
Mini Spiders Scatters four Petitpiders, which then climb the walls.
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MMX - Rangda Bangda Art.png
Sigma Stage 2 Rangda Bangda
Weapon: None Weakness: Chameleon Sting
Profile: The guardian of Sigma Stage 2. Resembling a giant mural, the right eye, left eye, and nose all attack independently. It is a dangerous enemy, due to the instant death spikes in its chamber.
Attack: Effect:
Green Eye Fires a single shot.
Red Eye Fires shots in 3 directions.
Blue Eye Charges towards X's current position.
Nose Bounces around the arena.
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MMX - D-Rex Art.png
Sigma Stage 3 D-Rex
Weapon: None Weakness: Boomerang Cutter
Profile: The guardian of Sigma Stage 3, a huge Mechaniloid resembling the head of a dinosaur. It is split into two parts, top and bottom, which attack independently. It moves quickly despite its large body.
Attack: Effect:
Tackle The top or bottom part rushes forwards.
Sandwich Sandwich attack between the top and bottom parts.
Electroshock Shot Charges and fires an enormous lightning ball.
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MMX - Velguarder Art.png
Sigma Stage 4 Velguarder
Weapon: None Weakness: Shotgun Ice
Profile: Sigma's faithful pet and one of his most trusted guardians. Using agile movements that are difficult to follow, it violently attacks intruders with flames and electricity.
Attack: Effect:
Charge High-speed ram attack.
Triangle Kick Ascends the walls in a triangular pattern.
Flame Spits flames that unfurl upwards.
Electricity Spits lightning balls that fly in an arc.
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MMX - Sigma Art.png
Sigma Stage 4 Sigma (1st form)
Weapon: None Weakness: Electric Spark
Profile: Commander of the 17th Unit, and former senior officer of X. He was said to be the strongest Reploid in history due to his immense combat power and brilliant mind, but one day, he suddenly chose to eradicate humanity and started a rebellion.
Attack: Effect:
Beam Saber Dashes and slashes with his beam saber.
Triangle Kick Ascends the walls in a triangular pattern.
Machine Gun Fire shots from the core on his forehead.
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MMX - Wolf Sigma Art.png
Sigma Stage 4 Sigma (2nd form)
Weapon: None Weakness: Rolling Shield
Profile: The form Sigma adopts when his humanoid body is destroyed, now unleashing his true power. It is the strongest Maverick yet, attacking with excessive destructive power and an iron-wall defense that can only be penetrated by certain attacks.
Attack: Effect:
Punch Fist attack aimed at X.
Electroshock Lightning balls that travel along the floor and walls.
Flamethrower Flamethrower aimed downwards.
Consecutive Shots Fires nine rounds of energy shots.
Hand Electroshock Discharges lightning above and below one hand.
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Mega Man X2

Mega Man X2 has 18 Boss Files in the book (pages 36-43).

Mega Man X2 Boss Files
MMX2 - Gigantic Mechaniloid CF-0 Art.png
Maverick Factory Stage Gigantic Mechaniloid CF-0
Weapon: None Weakness: None
Profile: A Mechaniloid that was being manufactured in a Maverick factory to conquer cities around the globe. Its enormous body may be intimidating, but its weight forces it to move slowly.
Attack: Effect:
Punch Extends its arms to strike X.
Kick Its feet can kick X as it walks.
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MMX2 - Crystal Snail Art 2.png
Energen Crystal Stage Crystal Snail
Weapon: Crystal Hunter Weakness: Magnet Mine
Profile: Affiliated unit unknown. He has a quiet personality and often stays in his shell. He controls an Energen Crystal mine, which can generate tons of energy from small amounts of crystals.
Attack: Effect:
Crystal Hunter Fires shots in 3 directions, which petrify X if he is hit.
Shell Tackle Lunges in X's direction.
Slow-Down Decreases X's movement speed.
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MMX2 - Overdrive Ostrich Art 2.png
Desert Base Stage Overdrive Ostrich
Weapon: Sonic Slicer Weakness: Crystal Hunter
Profile: He once belonged to the 7th Airborne Unit, but lost his ability to fly in an accident and retired from the Hunters. However, Sigma became interested in his impressive foot speed and recruited him as a soldier. He now controls a missile base.
Attack: Effect:
Charge Runs towards X.
Step Runs forwards while jumping.
Sonic Slicer (Lateral) Fires a single cutter aimed at X.
Sonic Slicer (Overhead) Rains down five cutters from the sky.
High Jump Leaps from the background to the foreground, landing on top of X.
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MMX2 - Wire Sponge Art.png
Weather Control Stage Wire Sponge
Weapon: Strike Chain Weakness: Sonic Slicer
Profile: Affiliation unknown. Intel indicates that he is one of the Reploids constructed in Sigma's factories. With a cheerful disposition, he loves to dance, and carelessly changes the weather while occupying the climate control center.
Attack: Effect:
Strike Chain Extends his chain horizontally. If it hits a wall, he is pulled him towards it.
Hanging Hangs from the ceiling and scatters seeds. The seeds germinate into spikes when they land on a surface.
Lightning Strike Turns red and summons three lightning bolts. He is invincible for the duration of this attack.
Chain Spin Spins his chain at high speed, repelling X's attacks.
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MMX2 - Wheel Gator Art 2.png
Dinosaur Tank Stage Wheel Gator
Weapon: Spin Wheel Weakness: Strike Chain
Profile: A former member of the 6th Naval Unit with a violent personality. Because he often injured his comrades, he was betrayed and persecuted as a criminal. As a servant of Sigma, he now relishes in destruction behind the wheel of a giant dinosaur tank.
Attack: Effect:
Spin Wheel (Underwater) Shoots a wheel while underwater, which climbs around the arena and falls.
Spin Wheel (Above Water) Shoots 2 wheels while above water, which bounce off the water's surface.
Biting Suddenly emerges from the water to bite X, continuously damaging him until he escapes.
Shot Devour Swallows X's shots and fires them back at him.
Charge Spins his body and charges forwards. When he hits a wall, the impact site becomes damaged.
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MMX2 - Bubble Crab Art 2.png
Deep-Sea Base Stage Bubble Crab
Weapon: Bubble Splash Weakness: Spin Wheel
Profile: Formerly part of the 6th Naval Unit. He was never on good terms with his colleague Wheel Gator, but became a servant of Sigma anyway, seeing it as a chance to strike it rich. He is in charge of transporting Mavericks from his submarine base.
Attack: Effect:
Mini Crabs Disperses small crabs in bubbles.
Vertical Jump Attacks with his pincers if X is above his head.
Bubble Splash Shoot a bubble shot horizontally.
Mini Crab Scatter Scatters a large number of small crabs.
Bubble Barrier Surrounds his body in a bubble to avoid X's attacks.
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MMX2 - Flame Stag Art 2.png
Volcanic Zone Stage Flame Stag
Weapon: Speed Burner Weakness: Bubble Splash
Profile: A former colleague of X's in the 17th Unit. He has concocted a plan to take control of a volcano and cover the whole Earth with ash, blocking the sun to plunge the planet into a new ice age.
Attack: Effect:
Speed Burner (Tackle) Dashes coated in flames, sometimes ending in an uppercut.
Speed Burner (Projectile) Throws two fireballs, one low and one high.
Triangle Kick Wall kicks up the arena walls, then returns to the bottom.
Super Mode Once he has lost half his health, his flames turn blue and his attack speed increases.
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MMX2 - Morph Moth Art.png
Robot Junkyard Stage Morph Moth
Weapon: Silk Shot Weakness: Speed Burner
Profile: Affiliation unknown. He has the special ability to grow by absorbing the scrap metal of other robots. His junkyard factory constructs Mavericks out of scrap metal.
Attack: Effect:
Scrap-Scatter Throws scrap while swinging from the ceiling.
Dash Scrap-Scatter Throws scrap while dashing on the ground from side to side.
Scrap Absorption Absorbs scrap while hanging from the ceiling.
Phosphorescent Powder Scatters phosphorescent dust from his wings.
Beam Stops moving to shoot a beam aimed at X.
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MMX2 - Magna Centipede Art 2.png
Central Computer Stage Magna Centipede
Weapon: Magnet Mine Weakness: Silk Shot
Profile: Formerly part of the Special 0 Unit, but he was brainwashed by Sigma. Now he is a cold-blooded individual who will even sacrifice his allies in order to fulfill his mission. He uses a super computer to spread the Maverick Virus.
Attack: Effect:
Maverick Virus Pulls X in, sealing first his Charge Shot, then his dash, and then his jump.
Magnet Mine The end of his tail surrounds X, attacks, and returns.
Shuriken Throws three shuriken in arcs.
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MMX2 - Violen Art.png
X-Hunters Violen
Weapon: None Weakness: Bubble Splash/Sonic Slicer
Profile: He has terrifying power, once ransacking an entire Hunter base on his own. However, his electronic cortex is incomplete because only brute strength was emphasized in his design.
Attack: Effect:
Hammer Attack 1 Swings his hammer like a pendulum.
Hammer Attack 2 Swings his hammer straight at X.
Scatter Shot 1 Jumps and fires a scatter shot.
Scatter Shot 2 Stands and fires a scatter shot.
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MMX2 - Serges Art.png
X-Hunters Serges
Weapon: None Weakness: Sonic Slicer/Speed Burner
Profile: He resembles a legendary mad scientist who once plunged the world into fear. With a cold and calculating mind, it's rumored that his thought cortex surpasses even that of Sigma.
Attack: Effect:
Ring Laser Jumps high and shoots ring lasers around the arena.
Land Mine Drops land mines that explode when touched.
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MMX2 - Agile Art.png
X-Hunters Agile
Weapon: None Weakness: Magnet Mine
Profile: He unleashes sword techniques with great skill, and it's said that no one has faced him and survived. He is responsible for infiltration into enemy territory.
Attack: Effect:
Charge Dashes while slashing with his sword, moving from one side to the other.
Shockwave Jumps and slashes to generate a shockwave.
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MMX2 - Neo Violen BossFile.png
X-Hunter Stage 1 Neo Violen
Weapon: None Weakness: Bubble Splash
Profile: A Violen who has unleashed his true power and become even more ferocious. All intruders are brutally crushed by his iron ball that has been sharpened with new variations to its attacks.
Attack: Effect:
Hammer Attack 1 Swings his hammer like a pendulum. The path changes when it bounces off a block.
Hammer Attack 2 Swings his hammer straight at X. The path changes when it bounces off a block.
Scatter Shot Fires a scatter shot.
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MMX2 - Serges Tank BossFile.png
X-Hunter Stage 2 Serges Tank
Weapon: None Weakness: Giga Crush/Scrap Shot (turrets)
Sonic Slicer/Speed Burner (Serges)
Profile: A large tank built by Serges. It fires a wide variety of bullets from its four turrets. Until the turrets are destroyed, no attacks can reach Serges.
Attack: Effect:
Turret 1 Fires a shot that bounces off the ground.
Turret 2 Fires a shot that moves like a boomerang.
Turret 3 Fires a shot aimed at X.
Turret 4 Fires a powerful laser horizontally.
Split Shot Fires alternating shots that split in a cross or an X shape.
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MMX2 - Agile Flyer BossFile.png
X-Hunter Stage 3 Agile Flyer
Weapon: None Weakness: Magnet Mine
Profile: Agile in a new flight form; apart from the face in the center of his fuselage, there is no trace of his original appearance. He reshapes the battlefield to limit movement, while firing electric shocks and missiles.
Attack: Effect:
Block + Electric Shock Extends blocks horizontally and then drops them, at the same time creating electric shocks.
Tackle Dashes in X's direction.
Missile Calls in missiles from left to right.
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MMX2 - Zero Art.png
Central Computer Stage Zero
Weapon: None Weakness: Speed Burner
Profile: Zero, reassembled from the parts reconstructed by the X-Hunters. His impressive fighting power is now turned on X. Has he really become a Maverick servant of Sigma...?
Attack: Effect:
Z-Buster Fires a single shot.
Charge Shot Fires two Charge Shots and then a shockwave from his saber.
Dash Attack Dashes towards X.
Earth Gaizer Launches two to six stones around himself, which can hit aerial enemies.
Guard Repels X's attacks.
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MMX2 - Neo Sigma Art 2.png
Central Computer Stage Sigma
Weapon: None Weakness: Sonic Slicer
Profile: The most powerful Reploid of all time, created by Dr. Cain. Half a year ago, he started a rebellion against humanity and fell at the hands of X, but he has since been revived by the X-Hunters.
Attack: Effect:
Claw Attack Dashes towards X and slashes with his claws.
Air Claw Attack After a triangle kick, he disappears and then attacks X from above.
5-Bullet Shot Shoots five bullets at X.
Electromagnetic Wave Emits an electromagnetic wave.
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MMX2 - Sigma Virus BossFile.png
Central Computer Stage Neo Sigma [sic]
Weapon: None Weakness: Charge Shot (Lv.02-03)/Strike Chain
Profile: Sigma has lost his Reploid body and entered an energy-based form. As a result, he has broken free from the shackles of an imperfect body and floats freely in the air to attack.
Attack: Effect:
Heat Ray Fires a heat ray while moving.
Minion Summon Summons Fishern, Tiranos, Scriver, or Tubamail-S.
Tackle Surrounds X, inflicting continuous damage.
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Mega Man X3

Mega Man X3 has 19 Boss Files in the book (pages 50-57).

Mega Man X3 Boss Files
Hunter Base Maoh the Giant
Weapon: None Weakness: None
Profile: A giant humanoid Mechaniloid found on the roof of the Maverick Hunter headquarters. The blows from the iron balls on its arms are strong enough to easily destroy the building's exterior.
Attack: Effect:
Vertical Iron Ball Moves an iron ball vertically downwards, often in succession.
Diagonal Iron Ball Moves an iron ball in X's direction.
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MMX3 - Tunnel Rhino Art.png
Quarry Stage Tunnel Rhino
Weapon: Tornado Fang Weakness: Acid Burst
Profile: A Reploid made to mine Energen Crystals, which serve as the main power source of Reploids. He was once a diligent craftsman, but now his mining drills cause massive destruction.
Attack: Effect:
Charge 1 Dashes towards X.
Charge 2 Dashes faster as his body changes color. Used once he is at half health.
Tornado Fang Stops his Charge attack to fire his drills.
Drill Missile Shoots a vertical line of three drills.
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MMX3 - Volt Catfish Art.png
Power Control Center Stage Volt Catfish
Weapon: Triad Thunder Weakness: Tornado Fang
Profile: Built with a high-voltage power generator in his body, he was a Reploid used as a mobile power station in emergencies. His personality suddenly changed in this recent incident and he took over the energy management center.
Attack: Effect:
Electric Shot Shoots an electric ball along the wall.
Mine Launches mines in X's direction, sends electric shots to them, and then sucks them in.
Body Press Jumps and falls vertically.
Electric Shot Shower Scatters electric shots consecutively.
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MMX3 - Crush Crawfish Art.png
Shipyard Stage Crush Crawfish
Weapon: Spinning Blade Weakness: Triad Thunder
Profile: He was developed as a combat Reploid, but was locked away due to his dangerous personality which failed to distinguish between enemies and allies. He has been released, and now occupies the shipyard.
Attack: Effect:
Boomerang Pulls X down from the wall.
Scissor Shoots his scissors towards X.
Charge Dash attack.
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MMX3 - Neon Tiger Art.png
Safari Park Stage Neon Tiger
Weapon: Ray Splasher Weakness: Spinning Blade
Profile: A poacher hunter made to protect endangered wild animals from the hands of poachers. He uses solar light as an energy source, giving him unlimited power.
Attack: Effect:
Dive Attack Lunges at X from atop the wall.
Ray Splasher 1 Fires five light shots while hanging on the wall.
Ray Splasher 2 After Dive Attack, he fires five light shots on the ground.
Rush Attack Changes color and then dashes to attack X.
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MMX3 - Gravity Beetle Art.png
Airborne Aircraft Carrier Stage Gravity Beetle
Weapon: Gravity Well Weakness: Ray Splasher
Profile: A former member of the 17th Elite Unit, he is the younger brother of Boomer Kuwanger from Mega Man X. He holds a grudge against X, who destroyed his brother, and abandoned his unit to join Dr. Doppler's rebellion.
Attack: Effect:
Gravity Well A large shot that reflects off of walls. Once he's lost half his health, he charges it up.
Charge Does a dash attack from the corner.
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MMX3 - Blast Hornet Art.png
Weapons Factory Stage Blast Hornet
Weapon: Parasitic Bomb Weakness: Gravity Well
Profile: Vice-captain of the Special 0 Unit. His commander, Zero, was invited to Dopple Town by Dr. Doppler. Since Zero was busy, he went in his place, but he was turned into a Maverick.
Attack: Effect:
Stinger Attack Extends a stinger from his abdomen and dashes.
Mini Bee Summon Shoots small bee bombs.
Search Attack After locking onto X with a cursor, he shoots a large amount of bee bombs.
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MMX3 - Blizzard Buffalo Art.png
Frozen Town Stage Blizzard Buffalo
Weapon: Frost Shield Weakness: Parasitic Bomb
Profile: A Reploid built for ski maintenance. He used to have a kind, artistic personality. His performance in cold weather is outstanding, and he can smash X with his powerful dash and freezing attacks.
Attack: Effect:
Charge When his horns shine, he moves faster and smashes X against the wall with his horns.
Ice Shot Fires ice shots, which can be destroyed.
Freeze Beam Shoots a freeze ray forwards. When hit by it, X freezes and can't move.
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MMX3 - Toxic Seahorse Art.png
Giant Dam Stage Toxic Seahorse
Weapon: Acid Burst Weakness: Frost Shield
Profile: A Reploid of unknown affiliation. His entire body is made from a fluid metal called "Liquid Metal" and can disappear into the floor or the ceiling. He occupies a dam which is the water source for a metropolis.
Attack: Effect:
Acid Burst Shoots an acid shot that bounces off walls. It can be canceled with attacks.
Bouncing Acid Shot Shoots two acid shots that bounce along the ground.
Liquidize Melts and disappears into the floor. After solidifying, he always jumps first.
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MMX3 - Bit Art.png
Nightmare Police Bit
Weapon: None Weakness: Frost Shield/Triad Thunder
Profile: A high-performance Reploid who is Dr. Doppler's right-hand-man. He was based on powerful Reploids from around the world, and his abilities were designed to emphasize speed over strength.
Attack: Effect:
Charge Aims at X and dashes at him, even from midair.
Homing Shot Fires a homing shot that chases X.
Ring Shoots a ring. If it hits X, he is immobilized for a while.
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MMX3 - Byte Art.png
Nightmare Police Byte
Weapon: None Weakness: Tornado Fang/Ray Splasher
Profile: A Reploid who reports directly to Dr. Doppler. He emphasizes strength over speed. Along with Bit, he is in charge of commanding Mavericks in several locations.
Attack: Effect:
Gravity Shot A shot that sticks to the wall, pushing X away.
Charge Dashes to hit X with his body.
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MMX3 - Vile MK-II Art.png
Vile Stage Vile MK-II (DRA-00)
Weapon: None Weakness: Spinning Blade/Ray Splasher
Profile: A Reploid who was destroyed by X during Sigma's rebellion. He has been revived from the depths of hell to seek revenge, and stands in X's way once more.
Attack: Effect:
Dash Punch Moves his Ride Armor in front of X and punches with its fist.
Flame Shot Deploys a spinning pillar of fire.
Machine Gun Fires a machine gun aimed at X's location.
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Doppler Stage A Godkarmachine O Inary
Weapon: None Weakness: Ray Splasher
Profile: The combined form of Bit and Byte. It has a huge body, so it is much slower than the originals, but its maximum power far exceeds theirs.
Attack: Effect:
Rocket Punch Fire a hand at X, dealing additional damage if it catches him.
Shockwave Slashes its sword downwards, launching a shockwave.
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Doppler Stage A Press Disposer
Weapon: None Weakness: Tornado Fang
Profile: A large garbage disposal Mechaniloid. It fights with an extendable arm and an acid for dissolving junk.
Attack: Effect:
Arm Attack Extends its arm towards X.
Acid Ball Fires acid, which stays on the ground for a while.
Scrap Drops scrap from atop the screen. Some can be destroyed, but others can't.
Acid Once its trunk is destroyed, it pours acid that accumulates over the floor.
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Doppler Stage B Volt Kurageil
Weapon: None Weakness: Frost Shield
Profile: A giant jellyfish-type Mechaniloid. It has high combat potential underwater and fights with homing shots, light shots, and claws.
Attack: Effect:
Light Shot Fires a light shot at X.
Claw Attack Launches the claws from the end of its tentacles.
Homing Shot Launches a homing missile. It only uses it if X is underwater.
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MMX3 - Goliath Art.png
Doppler Stage B Vile MK-II (Goliath)
Weapon: None Weakness: Goliath: Parasitic Bomb/Tornado Fang, Vile: Spinning Blade/Ray Splasher
Profile: A different Ride Armor than the one that appeared in the Vile Stage. One could say that Vile's obsession with getting revenge on X is, in a sense, his most human aspect.
Attack: Effect:
Dash Punch Dashes with a punch, which shakes the walls.
Light Shot After its body glows, it fires a light shot.
Trap Throws square objects that make walls to block the arena.
Flame Shot Deploys a spinning pillar of fire.
Machine Gun Fires a machine gun aimed at X's location.
Spread Shot Fires a splitting shot. If it hits X, it paralyzes him.
Dash Attack Dashes towards X at high speed, grabbing and damaging him.
MMX3 - Dr. Doppler Art.png
Doppler Stage C Dr. Doppler
Weapon: None Weakness: Acid Burst
Profile: A famous Reploid scientist equipped with a super high-performance computer. He longed for a peaceful world in which humans and Reploids coexist, but his personality has suddenly changed and he is now an enemy of humanity.
Attack: Effect:
Charge Dash attack while wreathed in flames.
Electric Shot Shoots three electric shots.
Attack Absorb Absorbs attacks using a green aura that restores his health when hit.
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Doppler Stage D Sigma
Weapon: None Weakness: Frost Shield/Spinning Blade
Profile: Formerly the commander of X and Zero, he was once called the strongest Reploid in history. More than once he has provoked rebellion against humanity and been destroyed by X, but is now revived with a new body.
Attack: Effect:
Flame Shot Shoots fireballs while jumping.
Rapid-Fire Flame Shot Shoots six fireballs.
Shield Throw Attacks by throwing his shield. Used once he has reached half health.
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Doppler Stage D Kaiser Sigma
Weapon: None Weakness: Charge Shot
Profile: Once Sigma's body is destroyed by X, he fuses with a giant body possessing maximum fighting ability. If X destroys this body too, Sigma's true form will be revealed.
Attack: Effect:
Mine Launches a flying mine.
Missile Fires missiles that chase X.
Beam Shoots a ray from the cannon on his shoulder.
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Mega Man X4

Mega Man X4 has 17 Boss Files in the book (pages 65-73).

Mega Man X4 Boss Files
Opening Stage Eregion
Weapon: None Weakness: None
Profile: Maverick with the body of a huge dragon. It suddenly attacks Repliforce's headquarters and kidnaps Iris. It attacks X and Zero with its huge claws and electromagnetic shots.
Attack: Effect:
Electromagnetic Shot Fires a shot from its mouth (single shot or rapid-fire).
Tackle Hits the player by flying low.
Claw Attack Hits the player with its giant claws.
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MMX4 - Magma Dragoon Art.png
Volcano Magma Dragoon
Weapon: Rising Fire/Ryuenjin Weakness: Double Cyclone/Raijingeki
Profile: A red dragon Maverick who is skilled in martial arts, fighting mainly with flames. He can leap from left to right, deploy bursts of flame, and attack with overwhelming firepower.
Attack: Effect:
Hadouken Throws a horizontal fireball with a shout.
Nosedive Jumps and divekicks diagonally.
Rising Fire Leaps upwards while wreathed in flames.
Fire Pillar Attack Throws a fireball into the lava to raise a pillar of fire.
Fire Attack Spits fire from his mouth.
Flame Shot Shoots flames into the sky, making volcanic bombs rain down.
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MMX4 - Frost Walrus Art.png
Snow Base Frost Walrus
Weapon: Frost Tower/Hyouretsuzan Weakness: Rising Fire/Ryuenjin
Profile: A giant sea lion that charges his opponents. He is weak to the heat of flame attacks and has few attack patterns, so be careful and evade them.
Attack: Effect:
Tackle Hits his fists, then attacks forwards.
Ice Blades Shoots icicles from his shoulders into the air, which then fall like swords of ice.
Frost Tower Creates a block of ice and shatters it to make debris fly in a fan shape.
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MMX4 - Jet Stingray Art.png
Marine Base Jet Stingray
Weapon: Ground Hunter/Hienkyaku Weakness: Frost Tower/Hyouretsuzan
Profile: Militant boss who attacks in the middle of the stage prior. He is similar to a stingray, swimming freely through the water with a jet on his chest. He launches missiles in the shape of small stingrays.
Attack: Effect:
Ground Hunter Fires a small stingray Mechaniloid that crawls on the floor (blue) or targets the player (red).
Nosedive Dives low and then rises.
Jet Stream Draws the player in with a water current from his jet, then attacks.
Tackle Attacks the player by flying up and down.
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MMX4 - Slash Beast Art.png
Military Train Slash Beast
Weapon: Twin Slasher/Shippuuga Weakness: Ground Hunter/Raijingeki
Profile: A Maverick with the appearance of a lion. Within Repliforce, he is known for his ferocity, slashing everything with his steel claws and fangs. He was put in charge of escorting military trains for the rebellion.
Attack: Effect:
Jump Attack Jumps and suddenly descends vertically.
Charge Deploys claws before dashing back and forth, stopping to stick to the wall.
Twin Slasher Spins his body to fire two wave shots.
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MMX4 - Colonel Art.png
Memorial Hall Colonel
Weapon: None Weakness: Frost Tower
Profile: He shares half of his program with Iris, making them Reploid siblings. With the strong will of his original program, he uses his laser sword to charge into battle and defend his beliefs.
Attack: Effect:
Shockwave Moves to the side of the screen to launch shockwaves.
Teleportation Disappears for a moment, then reappears to slash the player.
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MMX4 - Web Spider Art.png
Jungle Web Spider
Weapon: Lightning Web/Raijingeki Weakness: Twin Slasher/Shippuuga
Profile: A former Maverick Hunter who was Zero's colleague. In the rebellion, he protects a beam cannon deep in the jungle. He hangs from a thread midair to fight.
Attack: Effect:
Lightning Web Fires an electromagnetic web that pursues the player.
Baby Spider Attack Creates a floating web and begins deploying small spiders to attack.
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MMX4 - Split Mushroom Art.png
Bio Laboratory Split Mushroom
Weapon: Soul Body/Kuuenbu + Kuuenzan Weakness: Lightning Web/Raijingeki
Profile: Split Mushroom resembles a mushroom and is the one behind the spiral tower. He attacks with unique techniques such as deploying clones and spreading spores.
Attack: Effect:
Clone Attack Sticks to the wall, deploying glowing clones that attack the player.
Clone Attack 2 Deploys an identical clone. It runs and jumps repeatedly, and will perform a spinning dash from left to right, or fall after jumping to attack with his poison.
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MMX4 - Cyber Peacock Art.png
Cyber Space Cyber Peacock
Weapon: Aiming Laser/Rakuhouha Weakness: Soul Body/Ryuenjin
Profile: He was originally a program made to eliminate invading hackers, but he became Maverick around the time of Repliforce's rebellion. He has a very prideful personality.
Attack: Effect:
Tracking Shot Raises its tail and fires homing missiles.
Feather Attack Appears behind the player and extends its tail feathers to attack.
Rising Slash Appears near the player and tries to slash them by spreading his tail while rising.
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MMX4 - Storm Owl Art.png
Air Force Storm Owl
Weapon: Double Cyclone/Tenkuuha Weakness: Aiming Laser/Rakuhouha
Profile: Member of the high command of Repliforce. He participates in the rebellion by leading the air force. He takes advantage of his ability to fly to torment his opponents.
Attack: Effect:
Nosedive Approaches to grab the player.
3-Way Shot Fires shots in three directions.
Cyclone Attack Rapid cyclones. He can also float in the center and attack in four different directions.
Giant Tornado Attacks with large tornadoes.
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MMX4 - Colonel Art.png
Space Port Colonel
Weapon: None Weakness: Frost Tower/Hyouretsuzan
Profile: When all stages are cleared, Colonel reappears. Since his attack techniques have increased since the last battle, make sure to bring full Sub Tanks.
Attack: Effect:
Shockwave Moves to the side of the screen to launch shockwaves.
Teleportation Disappears for a moment, then reappears to slash the player.
Thunder Attack Lightning courses through the ground, then shoots to the sky.
Giant Shockwave Launches a large shockwave forwards.
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Final Weapon 1 Double
Weapon: None Weakness: Double Cyclone
Profile: The rookie Hunter, Double, was actually someone's spy. After plunging the organization into confusion, he attacks X by baring his fangs and shedding his false appearance.
Attack: Effect:
Tackle Jumps and dashes at the player from above.
Wave Shot Fires large wave bullets, first high then low.
Light Shot Fires a round bullet of light.
Split Attack Cutter Fires cutters that bounce off the walls.
Split Attack Cutter (Bat) Fires a bullet downwards while trying to match the player's position from above.
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MMX4 - Iris Art.png
Final Weapon 1 Iris
Weapon: None Weakness: Ryuenjin
Profile: Iris, who has lost her brother Colonel, transforms and fights Zero. She takes the form of a Reploid that splits into a crystal and a suit of armor.
Attack: Effect:
Floating Mines Releases a floating mine in the air.
Laser Fires a wide laser forwards and upwards.
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MMX4 - General Art.png
Final Weapon 2 General
Weapon: None Weakness: Twin Slasher/Kuuenzan
Profile: The commander-in-chief of all of Repliforce. He is over twice the size of most Reploids. He fell into the deceptions of a mysterious person and became hostile against humanity...
Attack: Effect:
Tackle Floats across the screen to smash the player.
Ring Laser Fires ring-shaped lasers from his arms.
Shuriken Laser Fires shuriken-shaped lasers, three shots high and three shots low.
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Final Weapon 3 Sigma (1st form)
Weapon: None Weakness: Rising Fire/Ryuenjin
Profile: A mysterious Reploid that wears a black robe and that only shows his glowing eyes. Originally he was a Hunter, but was damaged by Zero and became a Maverick.
Attack: Effect:
Shot Attack Fires six shots along the ground in 2 types: below and above the player.
Scythe Attack Slashes across the screen with his scythe.
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Final Weapon 3 Sigma (2nd form)
Weapon: None Weakness: Lightning Web/Rakuhouha
Profile: Upon defeating Sigma's first form, he reveals his true identity and attacks the player in his original Reploid form. He resembles a Grim Reaper.
Attack: Effect:
Scythe Throw Jumps into the air and throws his scythe.
Laser Attack After throwing his scythe twice, it sticks and releases laser left and right, or up and down.
Boomerang Attack If the scythe sticks in the floor, he fires four flying boomerangs.
Laser Eye If the scythe sticks in the wall, he uses laser eyes to destroy the arena.
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Final Weapon 3 Sigma (3rd form)
Weapon: None Weakness: Cyborg Body: Soul Body/Ryuenjin, Slime Body: Ground Hunter/Hyouretsuzan
Profile: When his second form is defeated, the arena changes and Sigma converts to his third form. It attacks with two types of main body and three types of mini bodies that resemble daruma.
Attack: Effect:
Flame Shot The red head shoots four sets of four fireballs.
Electromagnetic Shot The yellow head shoots six electric balls.
Ice Fog The blue head shoots ice mist.
Spike Attack Pushes the player with wind towards spikes on the right wall.
Slime Body The Slime Body on the left side attempts to suck the player in.
Clear Laser The Cyborg Body shoots a laser that sweeps away everything.
Tracking Laser The Cyborg Body shoots a laser aimed at the player.

Mega Man X5

Mega Man X5 has 16 Boss Files in the book (pages 80-87).

Mega Man X5 Boss Files
Opening Stage Sigma Head
Weapon: None Weakness: None
Profile: Suddenly, the face of the goddess statue cracks and Sigma appears. He does not truly fight seriously, likely because his true purpose is to spread the Sigma Virus across the Earth.
Attack: Effect:
Dead Storm Spits out countless small blue shots.
Regret Tear Green shots that follow the player and fly away.
Virus Ray Fires a huge laser from his mouth.
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MMX5 - Crescent Grizzly Art.png
Runaway Truck Stage Crescent Grizzly
Weapon: C-Shot/C-Sword Weakness: Spike Ball/Twin Dream
Profile: Thanks to the rocket booster on his back, he moves lightly despite his huge body and launches himself at his opponent. He approaches the player with terrible attacks using his huge claws and drill.
Attack: Effect:
Crescent Shot Fires small crescent moon-shaped shots.
Drill Arm Drill attack from below when the player is on high ground.
Crescent Claw Claw attack from above when the player is on low ground.
Mega Crescent Shot Fires one big crescent moon-shaped shot.
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MMX5 - Tidal Whale Art.png
Deep-Sea Submarine Stage Tidal Whale
Weapon: Goo Shaver/F-Splasher Weakness: C-Shot/C-Sword
Profile: A whale-shaped Reploid. Although he is huge, he can swim and use blocks of ice to attack the player. Despite his few attack patterns, beware the spikes on the right wall of the arena.
Attack: Effect:
Ice Block A Shoots ice blocks, then fires Goo Shaver for a short time. Then the ice blocks return while he fires torpedoes.
Ice Block B Shoots trios of ice blocks to push the player into the spikes on the wall.
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MMX5 - Volt Kraken Art.png
Super-Electromagnetic Lab Stage Volt Kraken
Weapon: Tri-Thunder/E-Blade Weakness: Goo Shaver/F-Splasher
Profile: The head of the super-electromagnetic research laboratory, who resembles a squid. Several of his attacks use electric waves that cover the entire arena, which spans two whole screens.
Attack: Effect:
Tri-Thunder Shoots three electric shocks upwards, forwards, and downwards.
Ground Spark Descends to generate an electric shock along the floor.
Horizontal Tri-Thunder Shoots electric shocks sideways in a line.
Vertical Tri-Thunder Shoots electric shocks upwards in a line.
Tackle Tries to hit the player with his body.
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MMX5 - Shining Firefly Art.png
Super-Electromagnetic Lab Stage Volt Kraken
Weapon: F-Laser/C-Flasher Weakness: Tri-Thunder/E-Blade
Profile: He is always airborne and his shooting systems are very accurate. Although his teleportation can make him unpredictable, there are still opportunities to attack him.
Attack: Effect:
Flash Laser A shot that pursues the player.
Prism Laser Fires a laser either vertically or horizontally.
Prism Shot Fire eight shots across the floor, then pulls them back.
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MMX5 - Dark Necrobat Art.png
Planetarium Stage Dark Necrobat
Weapon: Dark Hold Weakness: F-Laser/C-Flasher
Profile: A boss in the form of a giant bat. He is always flying, and summons smaller bats to do his bidding. He can also grab the player to suck their blood.
Attack: Effect:
Batton Attack Moves to a corner and summons a swarm of Batton Bones.
Bloodsucking Swoops in an arc, biting the player to suck their blood.
Dark Wave Fires giant ultrasonic waves in the shape of tall rings.
Dark Hold Freezes the player's movement for one second.
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MMX5 - Spiral Pegasus Art.png
Reploid Air Force Stage Spiral Pegasus
Weapon: Wing Spiral/W-Shredder Weakness: Dark Hold
Profile: A boss in the form of a pegasus. He has wings and can glide freely through the air to hit the player, and can generate tornadoes. He is the ruler of the skies.
Attack: Effect:
Dash Attack Dashes towards the player horizontally.
Hurricane Attacks by creating a blue afterimage.
Shoryuken After leaving the screen, he attacks from off-screen with afterimages.
Wing Spiral Launches a tornado from midair.
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MMX5 - Dynamo Art.png
Hunter Base Dynamo
Weapon: None Weakness: Wing Spiral/W-Shredder
Profile: A mysterious Reploid who appears at Hunter Base. He behaves like a selfish mercenary with a lazy attitude at first glance, but his skills should not be underestimated.
Attack: Effect:
D Blade Thows his saber to attack.
Tsubame Gaeshi Jumps and slashes from above (when using X).
Trick Shot Jumps and fires a shot downwards, which splits horizontally at the player's height (when using Zero).
Earth Gaizer A series of lightning pillars up from the floor all over the screen. Only used in second round.
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MMX5 - Burn Dinorex Art.png
Magma Stage Burn Dinorex
Weapon: Ground Fire/Quake Blazer Weakness: Wing Spiral/W-Shredder
Profile: A dinosaur-shaped boss coated in fire. He pushes the player around with overwhelming power. His movement is fast for his size and he attacks with burning flames.
Attack: Effect:
Tackle Dashes in the player's direction to crush them.
Ground Fire Spits a flame aimed at the player.
Fireball Clings to the wall and spits flames.
Burn Tackle Spreads flames across the floor, then coats his body in fire and dashes, leaving pillars of fire.
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MMX5 - Spike Rosered Art.png
Magma Stage Spike Rosered
Weapon: Spike Ball/Twin Dream Weakness: Ground Fire/Quake Blazer
Profile: As his name suggests, he is a rose-based boss. He is a Reploid made of plants, attacking with spike balls and a thorny whip. However, he is weak to fire attacks, which burn plants.
Attack: Effect:
Spike Ball Throws a ball of green or purple thorns. The purple ones bounce.
Rose Whip Extends a thorn whip horizontally to catch the player.
Rose Cutter Makes petals that harm the player rain from the sky.
Clone Splits into two bodies.
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MMX5 - Shadow Devil Art.png
Zero Space Stage 1: Origin Shadow Devil
Weapon: None Weakness: Tri-Thunder/E-Blade
Profile: A boss associated with the Mega Man series, with a new look. It splits its body and throws itself to attack the player, and the lasers emitted by its enormous eye are quite powerful.
Attack: Effect:
Split Attack Divides its body into blocks and flies.
Eye Shot Shoots a glowing shot form its eye.
W Press Transforms into a weight and falls from above, or slides from side to side.
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MMX5 - Rangda Bangda W Art.png
Zero Space Stage 2: Grief Rangda Bangda
Weapon: None Weakness: Red Eye: Ground Fire/Quake Blazer, Green Eye: C-Shot/C-Sword, Blue Eye: Tri-Thunder/E-Blade, Sol Boca: Goo Shaver/F-Splasher
Profile: It looks like a simple mural at first sight, but with its three eyeballs and sun mouth, it launches a variety of attacks. It is a strong enemy since it can attacks with walls and make spikes appear.
Attack: Effect:
Red Eye Red eye that shoots flames while spinning.
Blue Eye Blue eye that pursues the player with its body.
Green Eye Green eye that shoots a stream of shots.
Sol Boca Sun that charges the player when the spikes and walls close.
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MMX5 - Zero Art.png
Zero Space Stage 3: Awakening Zero/Awakened Zero
Weapon: None Weakness: None
Profile: If the player challenges Zero Space 3 with X, Zero appears as the boss. Additionally, if Zero disappears during the story, he fights with a stronger attack pattern.
Attack: Effect:
Z-Buster Fires two shots (normal only).
Saber Shot Throws a saber shot.
Shin Messenkou Launches shots up from the floor.
Shingetsurin Fires circular shots (Awakened only).
Genmu Zero Throws a giant saber shot (Awakened only).
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MMX5 - X Art 2.png
Zero Space Stage 3: Awakening X
Weapon: None Weakness: None
Profile: If the player challenges Zero Space 3 with Zero, X appears as the boss. Steadfast in his beliefs, he launches fearsome attacks using all of his power.
Attack: Effect:
Charge Shot Charges and fires.
Charge Double Cyclone Throws green shots on both sides.
Charge Frost Tower Ice falls from above; one piece, two pieces, and then three pieces.
Soul Body Launches clones from his body.
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Zero Space Stage 4: Birth Sigma (1st form)
Weapon: None Weakness: Tri-Thunder/E-Blade
Profile: The source of the disasters, the cause of the conflict, the one who spread the virus, the final boss: Sigma. His first form resembles a human and maliciously attacks as if he curses the world.
Attack: Effect:
Hell Spark Fires a blue shot moving in a wave.
Dash Tackle Dashes with pink afterimages.
Hell Blade Fires a giant wave shot.
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Zero Space Stage 4: Birth Sigma (2nd form)
Weapon: None Weakness: Spike Ball/Twin Dream/C-Sword
Profile: Sigma takes his true form once his first form is destroyed, appearing as a gigantic robot. Only the upper part of his body is on screen, but the power of his entire body is huge.
Attack: Effect:
Missile Punch Fires a flying fist that fires shots.
Tracker Shot Fires four shots into the ground, which then fly towards the player twice.
Thunder Attack An arm stops in the sky and shoots electricity downwards.
Purple Cube Attack Creates purple cubes, and the last one chases the player.
Charge Shot Shoots a purple shot from one hand.
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Mega Man X6

Mega Man X6 has 17 Boss Files in the book (pages 94-101).

Mega Man X6 Boss Files
Opening Stage D-1000
Weapon: None Weakness: None
Profile: A giant Mechaniloid Maverick that heralds the beginning of a battle against the Nightmare. It begins to wreak havoc due to the electromagnetic interference.
Attack: Effect:
Shot (Normal) Shoots from its core.
Shot (Fire Pillar) Shoots from its body, which explodes vertically when it hits the ground.
Crush Attack Aligns itself with X's position, either high or low, and accelerates.
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MMX6 - Commander Yammark Art.png
Amazon Area Commander Yammark
Weapon: Yammar Option Weakness: Ray Arrow/Rekkoha
Profile: A Reploid for jungle nature conservation projects who is the Investigator in the Amazon Area. He refuses to cooperate with the Maverick Hunters and distrusts Reploid researchers.
Attack: Effect:
Formation Guard Fires shots from the edge of the arena and moves to the opposite side.
Formation Wing Fires shots while moving from one side to the other, flanked by Yammar Option above and below him.
Formation Final Chases the player with Yammar Option following behind.
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MMX6 - Shield Sheldon Art.png
Laser Institute Shield Sheldon
Weapon: Guard Shell Weakness: Metal Anchor/Rakukojin
Profile: A Reploid that once fought with the same philosophy as X and Zero. It seems that he committed suicide because he could not fulfill his duty as a guard. He has been resurrected by Gate to fulfill his duty as an Investigator.
Attack: Effect:
Shield Throw Teleports to the bottom of the arena and throws his shells sideways and diagonally upwards.
Bounce Attack Teleports to the top and bounces around the arena.
Guard Shell Deploys barriers up, down, left, and right and starts chasing the player.
Mirror Shell If he summons a clone, they both throw their shells to attack. If he summons four shells, he starts dashing between them.
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MMX6 - Infinity Mijinion Art.png
Weapon Center Infinity Mijinion
Weapon: Ray Arrow/Rekkoha Weakness: Guard Shell
Profile: Originally a test pilot for giant manned weapons. Because of his high processing power, he had a misunderstanding with his staff over the execution of a dangerous test procedure. He was eliminated and it was disguised as an accident.
Attack: Effect:
Luciferase Releases a clone and green bubbles.
Ray Arrow A shot that aims at the player's height, then turns at a right angle.
Charge Attack Fires shots in eight directions with a laugh. Can be reflected with Guard Shell.
Giga Ray Arrow Falls down the screen and fires two shots, then several beams rain down.
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MMX6 - Ground Scaravich Art.png
Central Museum Ground Scaravich
Weapon: Ground Dash/Sentsuizan Weakness: Yammar Option
Profile: A treasure hunter specializing in ruins and ancient robots. He made a deal with Gate for protection from authorities in exchange for academic data, and became his subordinate.
Attack: Effect:
Stone Roll Rolls his stone across the screen to crush the player.
Shot Attack After Stone Roll, he stops and shoots.
Stone Kick Kicks the stone instead of Stone Roll. Can fly in a parabola or bounce.
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MMX6 - Blaze Heatnix Art.png
Magma Area Blaze Heatnix
Weapon: Magma Blade/Shoenzan Weakness: Ground Dash/Sentsuizan
Profile: Due to his skill as a hotspot researcher, he forced an unreasonable expedition that resulted in the deaths of all his colleagues. He ended up discarded in the depths underground because he ignored repeated warnings against excessive risk-taking.
Attack: Effect:
Magma Stream Flies up or down and calls magma onto the opposite side of the arena.
Magma Shot If Magma Stream is below, he stops before shooting fire.
Magma Wave If Magma Stream is above, he fires crescent-shaped shots high or low.
God Bird After leaving the screen, he returns as a huge firebird from the side.
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MMX6 - Rainy Turtloid Art.png
Inami Temple Rainy Turtloid
Weapon: Meteor Rain/Ensuizan Weakness: Ice Burst/Hyoroga
Profile: A water quality improvement researcher with a shell so that he can even study hazardous areas with level four pollution. He committed suicide when his excessive defenses were considered too dangerous, but he has since been revived.
Attack: Effect:
Missile Attack Launches a large amount of missiles from the green weak spots on his back.
Rolling Attack Hides in his shell and chases the player, shaking the walls when he hits them.
Meteor Rain Fires water shots during Rolling Attack. In Xtreme difficulty, water rains diagonally from off screen.
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MMX6 - Metal Shark Player Art.png
Recycle Lab Metal Shark Player
Weapon: Metal Anchor/Rakukojin Weakness: Meteor Rain/Ensuizan
Profile: Former member of a recycling research team. Inspired by Gate, he analyzed Maverick DNA and found a way to resurrect Mavericks. However, he was punished for violating regulations.
Attack: Effect:
Metal Head Attacks using his head and dorsal fin.
Metal Anchor Jumps high and throws an anchor.
Helper Attack Summons one of three Mavericks to attack. He summons Magna Centipede for X, Sting Chameleon for Zero, or Blast Hornet in Xtreme difficulty.
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MMX6 - Blizzard Wolfang Art.png
North Pole Area Blizzard Wolfang
Weapon: Ice Burst/Hyoroga Weakness: Magma Blade/Shoenzan
Profile: A Reploid with high resistance to low temperatures, who served as the head of a snow land development team. His performance caused problems, and he died in a trap set by Alia, who had received orders to eliminate him...
Attack: Effect:
Rush Attack Runs along the ground to hit the player, sometimes jumping.
Ice Burst Spits an ice shot, which flies in a parabola for X or a straight line for Zero.
Ice Fragment Clings to the ceiling and spits a stream of ice shots.
Dash Generates icicles by dashing. Used only if his Boss Level is Lv.03 or higher, or in Xtreme difficulty.
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Another Boss Zero Nightmare
Weapon: None Weakness: Z-Saber
Profile: A Reploid copy of Zero created by someone unknown. It inherited parts of Zero's memories, and seems to have been created from the parts of Zero that were destroyed in the battle.
Attack: Effect:
Buster & Saber Attack Attacks with his buster from afar, and with his saber up close.
Genmu Zero Kai Enlarges his saber to fire a large crescent-shaped shot. Used three times in a row in Xtreme difficulty.
Shin Messenkou Generates six shockwaves from the floor.
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Another Boss High Max
Weapon: None Weakness: None
Profile: He was created by the renowned scientific genius Gate as a Reploid to surpass the ancient robot X. In terms of numerical performance, he far exceeds X.
Attack: Effect:
Cross Shot Fires four shots in a row three times.
Tackle Attack Generates a blue ring around his body, then descends to attack.
Death Ball Three variations: an attack where he dashes holding a Death Ball, an attack with a Death Ball that crawls along surfaces, and an attack that scatters a series of small Death Balls.
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MMX5 - Dynamo Art.png
Another Boss Dynamo
Weapon: None Weakness: Meteor Rain/Ensuizan
Profile: A bounty hunter whose services were purchased by Sigma. He tormented X and Zero during the space colony fall incident. Now, he is a lone wolf with great fighting capacity.
Attack: Effect:
Earth Gaizer Kai Shoots lasers that cover most of the arena.
D Blade Kai Throws sabers at the player, which then return.
D Blade Ran Throws sabers by spinning his saber, which chase after the player.
Tsubame Gaeshi Jumps and slashes with his saber. Dodge it by dashing underneath him.
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Secret Lab 1 Nightmare Mother
Weapon: None Weakness: None
Profile: The terror of Reploids, a collection of Nightmare Viruses that have been causing Maverick infection. Each one has a core that is their weak point.
Attack: Effect:
Tackle Moves clockwise or counter-clockwise, also firing shots in Xtreme difficulty.
Water Fires a shot that splits horizontally on the floor.
Thunder Thunder balls in the air shoot lightning bolts straight down to the floor.
Flame & Fireball Shoots fire that spreads across the floor, or rains fireballs down from above.
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Secret Lab 2 High Max
Weapon: None Weakness: None
Profile: He is still weak to Charge Shots, but has new barriers that let him attack and defend freely. He is more powerful than when he was an Another Boss.
Attack: Effect:
Tackle Attacks with expanded range using barriers.
Crush Hides his barriers, then makes them fall above the player.
Shot Overlaps his barriers, then makes them fire shots.
Death Ball Three variations: dashing, crawling along surfaces, and scattering small ones from the center of the screen.
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Secret Lab 2 Gate
Weapon: None Weakness: None
Profile: A genius scientist who was once Alia's colleague. After many frustrations, he has reached a dangerous conclusion, taking advantage of the chaos of the colony's fall to build an ideal Reploid kingdom that would eliminate all humans.
Attack: Effect:
Nightmare Hole Orange shoots, red slows the player's movement, green chases the player, blue pulls the player, and purple creates Nightmare Viruses.
Nightmare Move Dashes towards the player, from platform to platform.
Nightmare Strike Shouts and performs a wide palm attack, which can break platforms.
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?????? Sigma (1st form)
Weapon: None Weakness: Metal Anchor/Rakukojin
Profile: He was cornered by X and Zero, who stopped his plan to drop the space colony, and then was defeated by Zero, killing each other. He has been revived, but his resurrection was incomplete so his fighting ability is low.
Attack: Effect:
Bug Shot Fires high-speed shots from his mouth.
Bug Cloud A large green wave that can be pushed and destroyed by attacks.
Bug Wave Shots that go high, middle, or low. Low can be jumped over, and the high and middle can be avoided by crouching.
Counter Shot When taking damage, he releases shots too.
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?????? Sigma (final form)
Weapon: None Weakness: Ground Dash/Sentsuizan
Profile: After giving up his old form that could only fight with imperfect power, he adopts this final form to bury X and Zero. Its weak point is the part exposed when his lasers are fired.
Attack: Effect:
Minion Summon A green object that becomes an enemy. If destroyed, it can drop Life Energy items.
Giant Laser A crosshairs appears on the floor and a huge laser appears at that ocation.
Beam Attack Sigma opens his mouth to shoot a powerful beam sideways.
Shot Attack Fires a small shot that splits into two huge shots left and right.
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Mega Man X7

Mega Man X7 has 13 Boss Files in the book (pages 108-112).

Mega Man X7 Boss Files
Opening Stage Mega Scorpio
Weapon: None Weakness: None
Profile: A giant Reploid shaped like a scorpion. With a powerful Tail Shot from its tail and the tornado-like Ground Circle attack, it pursues Axl relentlessly.
Attack: Effect:
Tail Shot Shoot 3 red shots from its tail.
Ground Circle Drops an orb of light on the ground that becomes a widespread attack.
Scissor Attack Stabs with its scissors, creating shockwaves.
Charge Charges towards the player.
Trample Jumps to land on the player.
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MMX7 - Soldier Stonekong Render.png
Deep Forest Soldier Stonekong
Weapon: Gaea Shield/Gokumonken Weakness: Explosion/Hadangeki
Profile: The brawn of Red Alert, who values loyalty above all else. He swings around and throws giant stones with overwhelming strength. He fights with a powerful sword and even uses his shield as a weapon.
Attack: Effect:
Rock Throw Throws a stone on the floor, which splits in half and moves around the arena.
Sword Attack Approaches to attack with his giant sword.
Shield Attack Throws his shield, which is indestructible.
Jumping Down-Thrust Jumps and attacks with his sword.
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MMX7 - Tornado Tonion Render.png
Radio Tower Tornado Tonion
Weapon: Volt Tornado/Raijinsho Weakness: Gaea Shield/Gokumonken
Profile: A Red Alert assassin who manipulates tornadoes charged with electricity. He looks like a joke at first, as he fights by dancing, but his abilities are unquestionable.
Attack: Effect:
Volt Tornado Summons a tornado and attacks.
Circle Extends his scales in a rotating circle.
Wall Arranges his scales into a moving wall.
Wiper Slides his scales into an oscillating blade.
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MMX7 - Splash Warfly Render.png
Battleship Splash Warfly
Weapon: Splash Laser/Suiretsusen Weakness: Volt Tornado/Raijinsho
Profile: A powerful enemy who has mastered fighting with his naginata and missiles. He has a sly personality, swimming freely through the water to appear behind the player.
Attack: Effect:
Splash Laser Shoots a laser of water.
Naginata Attack Swipes at the player with his naginata, or spins it to defend against attacks.
Waterspout & Tobiuo Missile Stabs the ground, raising a column of water and two homing missiles.
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MMX7 - Flame Hyenard Render.png
Lava Factory Flame Hyenard
Weapon: Circle Blaze/Bakuenjin Weakness: Splash Laser/Suiretsusen
Profile: A Reploid who attacks alongside a giant Mechaniloid. The boss himself splits into three bodies to launch powerful attacks, such as fireballs and homing missiles.
Attack: Effect:
Seeker Missile The giant gazelle Mechaniloid fires homing missiles.
Fireball Throws a fireball.
Fire Break Surrounds the player with clones and runs around them.
Clone Summon Alternates between dashing and throwing fireballs with his clones.
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MMX7 - Ride Boarski Render.png
Central Circuit Ride Boarski
Weapon: Moving Wheel/Zankorin Weakness: Circle Blaze/Bakuenjin
Profile: A boss who speeds around in a circular arena resembling a motocross ring. He torments the player with traps around the arena and bombs thrown by the surrounding Reploids.
Attack: Effect:
Search Wheel Releases three to six wheel bombs to chase the player.
Lightning Fang Glows red and dashes. He is invincible for the duration.
Laser Trap A laser that grows in three directions and rotates.
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MMX7 - Snipe Anteator Render.png
Cyber Field Snipe Anteator
Weapon: Sniper Missile/Hieijin Weakness: Moving Wheel/Zankorin
Profile: A difficult adversary who not only attacks with missiles, but also drones including laser pods and soldier ants. Avoid him using Axl's Rolling ability.
Attack: Effect:
Spiral Claw Shouts and throws a spiraling wind vortex.
Soldier Ant Scatters ant-shaped bombs that self-destruct if the player gets close.
Laser Pod Releases a drone that shoots lasers.
Homing Missile Fires missiles that track the player.
Dead End Kiss Extends his tongue to catch the player, granting him a power-up and dealing damage.
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MMX7 - Wind Crowrang Render.png
Air Forces Wind Crowrang
Weapon: Wind Cutter/Soenbu Weakness: Sniper Missile/Hieijin
Profile: With the appearance of a karasu-tengu, this boss has a variety of techniques. He flies freely through the sky and attacks with tackles, boomerang daggers, and missiles.
Attack: Effect:
Dagger Boomerang A dagger that flies to the player's position.
Tackle Attack Strikes the player from above.
Dagger Approaches with a dash, then slashes twice followed by a spinning slash with his dagger.
Feather Missile Missiles that track the player.
Cyclone Holds still on the aircraft, then unleashes wind blades left and right.
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MMX7 - Vanishing Gungaroo Render.png
Tunnel Base Vanishing Gungaroo
Weapon: Explosion/Hadangeki Weakness: Wind Cutter/Soenbu
Profile: Piloting a special Ride Armor, he attacks within a transparent rectangular prism. There is a theory that he sees Axl as a rival, which his attitude may confirm.
Attack: Effect:
Gungaroo Personal Ride Stops to do a one-two punch, or attacks with Shockwave.
One-Two-Three Shouting, he runs while attacking continuously.
Shockwave Crouches and launches an energy barrier with his hind legs.
Vanishing Upper Runs while jumping three times.
Triangle Kick Jumps at the wall yelling "Triangle Kick!" and bounces into a kick.
Sonic Shield Stands still to emit energy barriers forwards.
One-Two-Upper Performs a dashing punch into an uppercut.
Palace Road Mole Bore
Weapon: None Weakness: Volt Tornado/Raijinsho
Profile: A tunnel construction Mechaniloid that attacks using a laser and detachable rolling cutters, mainly used for mining. It torments the player with simple but powerful attacks.
Attack: Effect:
Roller Cutter Four saw-shaped cutters detach from the roller.
Laser Attack Turns with a wide laser.
Charge Attack Dashes across the screen left and right.
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Crimson Palace Red
Weapon: None Weakness: Explosion/Hadangeki
Profile: The commander of Red Alert, who leads illegal bounty hunters to eliminate Mavericks. He slashes with a scythe as if he were a Grim Reaper, then finishes the player with tornadoes.
Attack: Effect:
Clone Two clones appear near the player to launch a Scythe Attack.
Scythe Attack Throws his scythe if the player gets too close.
Tornado Creates purple tornadoes.
Wide Shot Throws an energy blade when attacked from afar.
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MMX7 - Sigma Art.png
Crimson Palace Sigma (1st form)
Weapon: None Weakness: Wind Cutter/Soenbu
Profile: The mastermind behind the events, a being of true evil who has manipulated the executives of the vigilante group Red Alert. He reveals himself with a humanoid body wielding a rifle and a laser gun.
Attack: Effect:
Bound Shot Shoots bullets from his rifle that bounce around the arena walls.
Double Shot Appears in the air to rain down bullets for a while.
Cannon Laser Fires a wide laser in a straight line horizontally for a short time.
Guard Prevents the player from hitting him using his rifle as a shield.
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Crimson Palace Sigma (2nd form)
Weapon: None Weakness: Explosion/Hadangeki
Profile: When his first form is defeated, the arena travels to a different space for the second battle with Sigma in a giant robot body. Face the baddest of bosses from a floating platform, and deliver the final blow.
Attack: Effect:
Dash Punch Dash punch attack from afar.
Green Shot Fires four green shots that track the player.
Red Shot Approaches and continuously fires red shots from his mouth.
Laser Sweeps the arena with a wide laser.
Rotation Attack Spins rapidly, releasing four bullets.
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Mega Man Xtreme

Mega Man Xtreme has 15 Boss Files in the book (pages 120-125).

Mega Man Xtreme Boss Files
MMX - Vile (Ride Armor) Art.png
Highway Stage Vile
Weapon: None Weakness: None
Profile: A Reploid formerly part of the 17th Unit, like X. He was arrested for deviating from missions with destructive behavior, due to a glitch in his electronic brain. Appeared in Mega Man X.
Attack: Effect:
Charge Dashes across the arena, from right to left.
Dash Punch After charging up on the left side, he moves to the right while punching.
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MMX - Storm Eagle Art 2.png
Sky Stage Storm Eagle
Weapon: Storm Tornado Weakness: Spin Wheel
Profile: A Reploid who was commander of the 7th Airborne Unit. He first fought against the rebels on the side of X, but he lost a fight against Sigma and had to surrender. Appeared in Mega Man X.
Attack: Effect:
Gust Flaps his wings to create a gust of wind.
Storm Tornado Shoots a tornado with greater push.
Bird Summon Spits four bird-shaped Mechaniloids.
Diving Diagonal flying attack from above.
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MMX2 - Flame Stag Art 2.png
Volcanic Zone Stage Flame Stag
Weapon: Speed Burner Weakness: Storm Tornado
Profile: A former colleague of X's in the 17th Unit. He despises losing. He appeared in Mega Man X2, fighting X with punches wreathed in fire.
Attack: Effect:
Speed Burner (Tackle) Dashes with flames surrounding his body. He sometimes attacks with an uppercut on contact.
Speed Burner (Projectile) Fires one fireball down, and one up.
Triangle Kick Wall kicks back and forth across the arena.
Super Mode When reduced to half health, his flames change color and his attack speed increases.
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MMX - Chill Penguin Art 2.png
Snowfield Stage Chill Penguin
Weapon: Shotgun Ice Weakness: Speed Burner
Profile: A Reploid designed for cold regions, who joined the rebellion because he was tired of living at the South Pole. He attacks with frigid air that can freeze X. Appeared in Mega Man X.
Attack: Effect:
Shotgun Ice Spits four ice shots.
Ice Sculpture Creates two ice statues. X freezes if he touches the breath.
Blizzard Grabs a hook to cause a blizzard, pushing X and the ice statues with wind.
Sliding Slides across the floor.
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MMX - Spark Mandrill Art 2.png
Power Plant Stage Spark Mandrill
Weapon: Electric Spark Weakness: Shotgun Ice
Profile: A Reploid who belonged to the same 17th Unit as X. He followed Sigma and joined his rebellion. He could generate electricity. Appeared in Mega Man X.
Attack: Effect:
Dash Punch Rushes towards X with a punch.
Electric Spark An electric shock that travels along the floor and walls.
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MMX - Armored Armadillo Art 2.png
Gallery Stage Armored Armadillo
Weapon: Rolling Shield Weakness: Electric Spark
Profile: Former commander of the 8th Armored Unit. A righteous warrior, he followed his superior Sigma and joined the rebels. His tough armor can reflect even X's Charge Shots. Appeared in Mega Man X.
Attack: Effect:
Guard After blocking a Charge Shot, he counterattacks by firing shots in five directions.
Tackle Dashes sideways, bouncing off the walls on contact.
Rapid-Fire Shot Fires energy shots from the cannon in his head.
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MMX2 - Morph Moth Art.png
Scrap Factory Stage Morph Moth
Weapon: Silk Shot Weakness: Speed Burner/Rolling Shield
Profile: A Reploid of unknown affiliation who appeared in Mega Man X2. He has the special ability to absorb the remains of scrapped Reploids to grow and transform during battle.
Attack: Effect:
Dash Scrap-Scatter Before transforming, he dashes back and forth while scattering junk.
Scrap-Scatter Before transforming, he hangs from the ceiling and tosses junk.
Phosphorescent Powder Sprinkles phosphorescent powder while gliding.
Beam Stops midair to shoot light in one of four directions.
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MMX2 - Magna Centipede Art 2.png
Central Computer Stage Magna Centipede
Weapon: Magnet Mine Weakness: Silk Shot
Profile: Although he was a member of the Special 0 Unit, Sigma brainwashed him into a Maverick. He operated a super computer to spread the Maverick Virus around the world. Appeared in Mega Man X2.
Attack: Effect:
Maverick Virus Sucks X into his grasp and injects a virus.
Magnet Mine Splits his tail into two and surrounds X. It splits into three when his health is low.
Shuriken Throws three shuriken in arcs.
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MMX2 - Wheel Gator Art 2.png
Dinosaur Tank Stage Wheel Gator
Weapon: Spin Wheel Weakness: Magnet Mine
Profile: Originally a Maverick Hunter in the 6th Naval Unit, he was persecuted as a traitor for harming comrades, being unable to control his ferocious tendencies. Appeared in Mega Man X2.
Attack: Effect:
Spin Wheel (Underwater) Shoots a wheel out of the water, which can climb walls.
Spin Wheel (Above Water) Shoots a wheel over the water that bounces across the surface.
Biting Bites at X from underwater. Can even grab X out of the air.
Shot Devour Can eat X's shots and spit them back.
Lunge Dashes while spinning his body. He only uses it at half health.
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MMXT1 - Zain Art.png
Volcanic Zone Stage/Sigma Stage 1 Zain
Weapon: None Weakness: Shotgun Ice
Profile: One of the Shadow Hunters who obstructs X's path. He is a special combat Reploid who swings a huge sword freely. An original boss for Mega Man Xtreme.
Attack: Effect:
Jump Slash Jumps forwards and swings his sword down.
Spin Slash Swings his sword around his body. He is invincible while spinning.
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MMXT1 - Geemel Art.png
Dinosaur Tank Stage/Sigma Stage 1 Geemel
Weapon: None Weakness: Speed Burner
Profile: A Shadow Hunter like Zain, another original boss for Mega Man Xtreme. He wields a huge shuriken. Unlike the calm Zain, he has a very talkative and antsy personality.
Attack: Effect:
Shuriken Throws his huge shuriken four times, in two directions.
Teleport Teleports above X to attack him.
Kite Riding Rides a kite and throws his shuriken from the air. Used when he is at half health.
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MMX - Bospider Art.png
Sigma Stage 1 Bospider
Weapon: None Weakness: Shotgun Ice/Magnet Mine
Profile: A spider-shaped Mechaniloid that appeared in Mega Man X. In its debut, it faced X as the first boss of the last stages.
Attack: Effect:
Tackle Runs to the floor along the web's route.
Mini Spiders Scatters two Petitpiders from the ceiling.
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MMXT1 - Serges Tank BossFile.png
Sigma Stage 2 Serges Tank
Weapon: None Weakness: Speed Burner/Rolling Shield
Profile: One of the three X-Hunters who appeared in Mega Man X2. With a brain even superior to Sigma's, he challenges X in a giant tank that he constructed himself.
Attack: Effect:
Turret 1 Fires a shot that bounces off the ground.
Turret 2 Fires a shot that moves like a boomerang.
Turret 3 Fires a shot aimed at X.
Turret 4 Fires a powerful laser horizontally.
Split Shot Fires alternating shots that split in a cross or an X shape.
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MMX - Sigma Art.png
Sigma Stage 3 Sigma (1st form)
Weapon: None Weakness: Electric Spark/Speed Burner
Profile: X's former commander, known as the strongest Reploid in history. He went Maverick and became an enemy of humanity. His attack strategy is based on his appearance in Mega Man X.
Attack: Effect:
Triangle Kick Ascends with a triangle kick.
Beam Saber Dashes and swings his saber.
Machine Gun Fires a sequence of shots from his forehead.
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MMX - Wolf Sigma Art.png
Sigma Stage 3 Sigma (2nd form)
Weapon: None Weakness: Spin Wheel/Rolling Shield
Profile: An enormous Sigma demonstrating his true power. He has a wide variety of attacks that he launches in a storm to destroy X. It is based on Sigma's appearance in Mega Man X, like his first form.
Attack: Effect:
Flamethrower 1 Breathes fire downwards.
Rapid-Fire Electric Shots Scatters nine electric shots downwards.
Electric Shock Shoots an electric shock upwards from the palms of its hands.
Punch Punches with its left and right hands.
Lightning Shot Shoots a lightning shot that travels up the walls.
Lightning Flash Scatters lightning shots downwards that generate lightning at the point of impact.
Flamethrower 2 Breathes fire downwards, which lingers for a while.

Mega Man Xtreme 2

Mega Man Xtreme 2 has 15 Boss Files in the book (pages 132-137).

Mega Man Xtreme 2 Boss Files
MMXT2 - Skullhead BossFile.png
Opening Stage Skullhead
Weapon: None Weakness: None
Profile: A skeleton-like Mechaniloid. Its enormous physique is overwhelming, but its movement is slow and its attacks are monotonous. An original boss for Mega Man Xtreme 2.
Attack: Effect:
Minion Summon Spits out several enemies from its mouth.
Disc Launch Shoots a disc that moves from left to right on the ground.
Laser Shoots a laser straight downwards.
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MMX2 - Wire Sponge Art.png
Weather Stage Wire Sponge
Weapon: Strike Chain/Lightning Weakness: Fire Wave/Drill Crush
Profile: A Reploid of unknown affiliation that appeared in Mega Man X2. He had a carefree personality and was satisfied as long as he was having fun, playfully changing the climate at the weather center.
Attack: Effect:
Strike Chain Extends his chain horizontally. If it hits a wall, he is pulled towards it.
Hanging Extends a chain to hang from the ceiling, where he scatters seeds.
Ray Turns red and summons three beams (four in Extreme). He is invincible during this attack.
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MMX2 - Overdrive Ostrich Art 2.png
Desert Stage Overdrive Ostrich
Weapon: Sonic Slicer/Dash Weakness: Strike Chain/Lightning/Tri-Thunder
Profile: Formerly a Maverick Hunter from the 7th Airborne Unit. He lost his ability to fly in an accident, but Sigma discovered his excellent leg strength and made use of him as a subordinate. Appeared in Mega Man X2.
Attack: Effect:
Charge After posing, he runs forwards.
Step After posing, he runs while jumping.
High Jump Leaps from the background to fall from above.
Sonic Slicer (Horizontal) Jumps and shoots a cutter (three in Extreme).
Sonic Slicer (Aerial) Jumps and releases four cutters.
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MMX3 - Blast Hornet Art.png
Aerial Battleship Stage Blast Hornet
Weapon: Bomb Bee/Earth Gaizer Weakness: Sonic Slicer/Dash
Profile: Vice-captain of the Special 0 Unit, and former subordinate of Zero. Normally calm and cautious, he went Maverick after being infected with the Sigma Virus. Appeared in Mega Man X3.
Attack: Effect:
Stinger Attack Extends a stinger from his abdomen. The trajectory changes once he is at half health.
Mini Bee Summon Shoots a small bee bomb. The bee teleports in Extreme.
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MMX3 - Tunnel Rhino Art.png
Underground Stage Tunnel Rhino
Weapon: Tornado Fang/Drill Crush Weakness: Bomb Bee/Earth Gaizer
Profile: A mining Reploid made to extract Energen Crystals. He was once a serious craftsman, but went Maverick due to the influence of the Sigma Virus. Appeared in Mega Man X3.
Attack: Effect:
Charge 1 Dashes towards the player.
Charge 2 Dashes twice while scattering rocks.
Drill Missile Fires two drills horizontally simultaneously.
Drill Drive Shoots drills that come out of the ceiling and floor. Only in Extreme.
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MMX3 - Neon Tiger Art.png
Jungle Stage Neon Tiger
Weapon: Ray Claw/Rising Weakness: Tornado Fang/Drill Crush
Profile: A hunter created to protect endangered animals from poachers. Despite going Maverick, he still operated in the jungle that was his original territory. Appeared in Mega Man X3.
Attack: Effect:
Dive Attack Attacks the player from the wall above.
Ray Splasher Fires 3-5 bullets in rapid succession.
Launch Attack Double attack of a dash into an uppercut. Only used with low health.
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MMX3 - Volt Catfish Art.png
Hydroelectric Plant Stage Volt Catfish
Weapon: Tri-Thunder Weakness: Ray Claw/Rising
Profile: A Reploid with a high-performance power generator built into his body. He worked as a mobile emergency power plant, but went Maverick and became an enemy of humanity. Appeared in Mega Man X3.
Attack: Effect:
Suction Attack Attacks with lightning while sucking the player in.
Body Press Jumps and falls with a body press, releasing an electric shock along the floor.
3-Way Electric Shot Shoots an electric shock that spreads in three directions.
Electric Shot Scatter Fires three electric shock bullets at high speed.
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MMX - Launch Octopus Art 2.png
Ocean Base Stage Launch Octopus
Weapon: Marine Tornado/Fish Fang Weakness: Tri-Thunder
Profile: A Reploid who belonged to the 6th Naval Unit. Dissatisfied with the idea of protecting the weak humans, he rebelled and joined Sigma for his similar ideals. Appeared in Mega Man X.
Attack: Effect:
Missile Launches missiles.
Piranha Fires four piranha-shaped missiles.
Marine Tornado Spins to suck the player in, while invincible.
Jump Missile Jumps while launching homing missiles.
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MMX - Flame Mammoth Art 2.png
Factory Stage Flame Mammoth
Weapon: Fire Wave Weakness: Marine Tornado/Fish Fang
Profile: Former captain of the 4th Land Unit, who frequently fought in the desert. He joined Sigma's rebellion because he wanted to use his full strength to cause wanton destruction. Appeared in Mega Man X.
Attack: Effect:
Flame Shoots flames from his buster.
Earthquake Jumps and causes an earthquake when he lands. If the player is on the floor, they trip.
Flame Drop Shoots flames into the sky that descend slowly.
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MMX - Velguarder Art.png
Laguz Research Lab 1 Velguarder
Weapon: None Weakness: Ray Claw/Tornado Fang/Rising/Drill Crush
Profile: A faithful pet under Sigma's command. It appeared as Sigma's final guardian in Mega Man X.
Attack: Effect:
Flame Spits a rising flame that arcs from low to high.
Lightning 1 Shoots an electric shot in a parabola.
Lightning 2 While on a wall, shoots an electric shot that stays in place for a while.
Jump Runs into a low pounce.
Charge Quickly runs from side to side.
Triangle Jump Moves upwards in a triangular motion.
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MMXT2 - Isaz & Sowilo BossFile.png
Laguz Research Lab 2 Isaz & Sowilo
Weapon: None Weakness: Ray Claw/Tornado Fang/Fish Fang/Drill Crush
Profile: A tank made to repel the Maverick Hunters, full of powerful weapons and with the Sigma insignia emblazoned on its body. An original boss for Mega Man Xtreme 2.
Attack: Effect:
Drill Attack Spins its drill while dashing forwards.
Homing Shot The upper face shoots a bullet at the player.
Missile Launches a missile vertically from below, which descends upon the player.
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MMXT2 - Berkana Art.png
Laguz Research Lab 3 Berkana
Weapon: None Weakness: Lv. 02 Charge Shot/Ray Claw/Tri-Thunder
Profile: A researcher of Reploid development. Her own time of creation, developer, and purpose are shrouded in mystery. An original boss for Mega Man Xtreme 2.
Attack: Effect:
Magic Shot A A shot that bounces across the ground. If it hits X, he cannot jump for a while.
Magic Shot B A shot that flies directly towards X. If it hits X, he cannot attack for a while.
Shooting If X is hit by Magic Shot A, Berkana shoots fire that splits on the floor.
Icicle If X is hit by Magic Shot B, Berkana shoots ice from the top and bottom of the screen.
Iron Ball Rolls an iron ball along the floor.
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MMXT2 - Gareth Art.png
Laguz Research Lab 3 Gareth
Weapon: None Weakness: Rising/Gareth's javelins
Profile: A Reploid created by Berkana. Like her, he is an original boss for Mega Man Xtreme 2.
Attack: Effect:
Jump Javelin Jumps and throws a javelin.
Consecutive Javelins Flies off the screen and throws four javelins from the sky.
Javelin Counter After blocking an attack, a javelin falls from the sky.
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MMX2 - Neo Sigma Art 2.png
Sigma Stage Sigma
Weapon: None Weakness: Marine Tornado/Sonic Slicer/Fish Fang/Dash
Profile: The arch-enemy of X and his friends, said to be the strongest Reploid in history. His weapons and attack patterns are based on his appearance in Mega Man X2.
Attack: Effect:
Claw Attack Dashes and slashes with his claws.
Light Shot Fires wide vertical shots of light.
5 Bullet Shot Fires five consecutive electric shots at the player.
Vertical Drop Triangle kicks above the player, then performs a vertical drop attack.
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MMXT2 - Sigma Beast BossFile.png
Sigma Stage Sigma Beast
Weapon: None Weakness: Sonic Slicer/Fish Fang
Profile: Sigma piloting a giant Ride Armor. He fights mercilessly with a wide range of attacks that cover the entire screen. An original boss for Mega Man Xtreme 2.
Attack: Effect:
Green Light Shot Shoots green bullets. Can be countered by Zero's attacks.
Earthquake Jumps and causes an earthquake when he lands, tripping the player.
Light Shot Summon Shoots a light bullet from the air.
Laser Jumps and shoots a laser downwards.
Charge Dashes with a shockwave.
Wave Shoots a giant wave.
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