Mega Aggron Steel Japanese Name: MegaBossgodora Height: 7' 03" / 2.2 m Weight: 870.8 lbs / 395 kg Classification: Iron Armor Pokémon Ability: Filter Revealed: Mega Aggron was revealed on the 10th of October via a CoroCoro leak along with Mega Gengar and Mega Tyranitar. It was later revealed internationally by Pokémon.com on October 16th. Additional Info: Mega evolving Aggron provides a hearty boost to its Defense stat, making this one Pokémon that will not go down easily in battle! Mega Aggron's most notable stat boosts are its Attack and Defense but it also receives a boost in Special Defense as well. HP: 70 Attack: 140 Defense: 230 Sp. Attack: 60 Sp. Defense: 80 Speed: 50 Mega Stone: Aggronite. X/Y: Cyllage City Gym, post-game. Mega Stone is exclusive to Pokémon Y. OR/AS: Rusturf Tunnel. Mega-Evolves from Aggron.