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Pokemon X and Y Pokedex: Mega Mewtwo X
Mega Mewtwo XMega Mewtwo X gains the Fighting type and a higher Attack stat when it Mega Evolves. It also has the Steadfast ability, which makes it faster after flinching. Mega Mewtwo X is exclusive to Pokemon X and Mega Evolves with Mewtwonite X.

Vitals
Type:Psychic/Fighting
Height:7' 7"
Weight:280. lbs