Encounter locations
| Region | Location | Method | Level |
|---|---|---|---|
| Unova | Challenger Cave | Overworld swarmOnly while this swarm is active | — |
| Unova | Victory Road | Overworld swarmOnly while this swarm is active | — |
Check the Town Map to see which swarms are active.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 70
- Attack
- 110
- Defense
- 180
- Sp. Attack
- 60
- Sp. Defense
- 60
- Speed
- 50
Abilities · Sturdy / Rock Head
Hidden ability · Heavy Metal
Size · 2.1 m · 360 kg
Evolution and forms
- From Lairon · Level 42
Battle transformations
- Aggron-Mega · Aggronite
Level-up moves
View level-up moves for Aggron
| Level | Move |
|---|---|
| 1 | Tackle |
| 1 | Harden |
| 1 | Metal Claw |
| 1 | Rock Tomb |
| 12 | Roar |
| 16 | Headbutt |
| 20 | Protect |
| 24 | Rock Slide |
| 28 | Iron Head |
| 35 | Metal Sound |
| 40 | Take Down |
| 48 | Autotomize |
| 56 | Iron Tail |
| 64 | Iron Defense |
| 72 | Heavy Slam |
| 80 | Double Edge |
| 88 | Metal Burst |