Mega Metagross is a powerful Steel/Psychic-type Pokémon introduced in the Pokémon series. It evolves from Metagross when exposed to a Mega Stone, gaining enhanced stats and a new ability called Tough Claws, which boosts the power of contact moves. In its Mega form, Mega Metagross has a more robust and intimidating appearance, featuring a larger body and additional limbs. Its increased speed and attack make it a formidable opponent in battles, often used in competitive play for its strategic advantages and versatility.