305MS #305: Lairon Aggron #307: Meditite 307MS
This page refers to the species as a whole. For notable Aggron, see Category:Aggron.

#306 306MS Aggron
ボスゴドラ Bossgodora
Iron Armor Pokémon
 Steel      Rock 
Abilities Sturdy or Rock Head,
Heavy Metal (Hidden Ability)
Pokédex Colour Gray
Egg Groups Monster Egg Group
#306 306MegaMS Mega Aggron
Ability Filter
3063D 3063D-S
in-game models of Aggron
from Generation VI

Aggron (Japanese: ボスゴドラ Bossgodora) is a dual-type  Steel / Rock  Pokémon.

It evolves from Lairon starting at level 42. It is the final form of Aron. It can Mega Evolve into Mega Aggron using the Aggronite. Mega Aggron is pure Steel, has the ability Filter, and its Attack, Defense, and Special Defense stats are increased.


Copy template icon - Bulbapedia This section temporarily contains information copied directly from Bulbapedia, and needs to be rewritten so not to be classified as plagiarism.

Aggron is a huge, bipedal Pokémon. It is primarily black with plates of silver-colored armor. The armor on its head has two pairs of holes with horns protruding from the foremost holes. Its forehead plating extends past its upper jaw in a small point. It has sky-blue eyes, and a nostril-like hole on the tip of its upper jaw. On the rim of its mouth are several pointed, fang-like protrusions and the nape of its neck and back have gray-silver armor sections. It has wide, blunt spikes on its shoulders, and gray-silver bands on its arms and legs. Its hands and feet each have three claws. It has a thick, long, black tail that it can swing at enemies.

Mega Aggron is bulkier and more heavily plated than its previous state. The horns on its forehead are now shorter, and it has a third, wider horn on its nose. A spike projects downward from both its upper and lower jaw. The protrusions on its shoulders are longer and curve toward its head, and new spikes thrust from holes in its armbands. Its tail is thicker with two bands around it.

The gouges in Aggron's armor from previous battles are worn as mementos. The more wounds it has, the more it has battled. It claims a large mountain as its territory and fiercely defends it from trespassers. If its environment is damaged by a flood or a forest fire, it will restore the area by bringing in topsoil and planting trees. It burrows through the strongest of bedrock and digs tunnels, as it searches for iron to eat. Its horns, which it uses to dig through bedrock when seeking food, grow a little longer at a time and can be used to determine its age.



as of generation VII
PKMN bag icon - Rare Candy
Level 32
PKMN bag icon - Rare Candy
Level 42
Tretta Mega Evolution icon
Mega Evolve
 Steel  Rock 
 Steel  Rock 
 Steel  Rock 


  • Mega Aggron is tied with Shuckle for the highest defense stat of all Pokémon.

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