Mega Aggron - Pokemon X and Y - The PokeMasters - Pokémon Community

Aggron Mega Evolves into Mega Aggron. When it does, the destructive ability of its fearsome horns can turn a steel-clad tank into so much scrap metal. Aggronite, the Mega Stone needed to Mega Evolve Aggron, can only be obtained in Pokémon Y. By Mega Evolving, Aggron changes both its type and its Ability. By changing to a purely Steel-type Pokémon, it reduces its weaknesses, and its Filter Ability also reduces the damage it takes from supereffective moves. Mega Evolving provides a hearty boost to Aggron's Defense stat, making this one Pokémon that will not go down easily in battle!

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