Sigma (Mega Man X)

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This article is about the Final Boss of Mega Man X. For the character overall, see Sigma.

SigmaWolf Sigma Sigma's forms in Mega Man X.
Sprite(s)
General information
Name(s):	Sigma
Lore Details
Affiliation(s):	Mavericks
Appearances
Game(s):	Mega Man X
Other Media:	None
Stage(s):	Sigma Stage 4
Game Info
Life Energy:	32 (Sigma), 32 (Wolf Sigma)
Weakness(es):	Electric Spark (Sigma), Rolling Shield (Wolf Sigma)
Behind the Scenes
Designer(s):	Keiji Inafune (Sigma) Tatsuya Yoshikawa (Wolf Sigma)

Sigma (シグマ) is the final boss of Mega Man X. He is fought immediately after X defeats Velguarder in Sigma Stage 4. The battle has two phases: the first is Sigma's base form, and the second is Wolf Sigma (ウルフシグマ).

Trivia

• Onox's true form from The Legend of Zelda: Oracle of Seasons has an attack pattern reminiscent of Wolf Sigma's pattern. Coincidentally, both Mega Man X and Oracle of Seasons were developed by Capcom.
• Sigma is the only boss in Mega Man X to not take three points of damage from his weakness, rather he takes only two points of damage.