A Mega Aggron appeared in a fantasy in PS556. An Aggron capable of Mega Evolving appeared in a fantasy in the X & Y chapter. In Pinsir Changes, an Aggron drained of its life energy was among several other Pokémon in a similar state at Route 19. Tiern

Overview. Aggron sees considerable improvements in multiple key areas upon Mega Evolution, making it a solid pick in the UU metagame. Most notably, its Defense stat boosts to a gargantuan base 230, pairing nicely with its solid defensive typing in Steel a