Psystrike

Psystrike is a Psychic-type move learned by Mewtwo at level 100. It is Mewtwo's signature move in the Pokémon series as of Generation V appearing as its Final Smash in Super Smash Bros. for Nintendo 3DS / Wii U. When used, Mewtwo Mega Evolves into Mega Mewtwo Y, then fires a large ball of energy forward that dazes opponents caught by it. Afterward, Mewtwo delivers a mental attack to any caught opponents that deals high damage and knockback.