Mega Mewtwo Y

Mega Mewtwo Y is the Mega Evolution of Mewtwo. Mewtwo Mega Evolves in battle while holding the Mewtwonite Y, and returns to normal when the battle ends. Mewtwo has one other Mega Evolution, Mega Mewtwo X.

It keeps the Psychic typing of Mewtwo. It takes double damage from Bug, Ghost and Dark, and resists Fighting and Psychic. Its base stats total 780, 100 more than Mewtwo: Attack goes from 110 to 150, Defense from 90 to 70, Special Attack from 154 to 194, Special Defense from 90 to 120 and Speed from 130 to 140. Its ability is Insomnia; Mewtwo has Pressure, with Unnerve as its hidden ability.