Aron (#0304) – Stats, Moves, Evolution & Competitive Sets

Base stats

HP50110–157210–304

Atk7067–134130–262

Def10094–167184–328

SpA4040–10176–196

SpD4040–10176–196

Spe3031–9058–174

Total330Higher than 26% of all Pokémon

Ranges: 0 IV/EV with a hindering nature to 31 IV/252 EV with a helpful nature. EV yield: 1 Def.

Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature

Speed tiers

Speed at Lv 50 in Pokémon Champions (base 30). Scarf and Tailwind use the Max+ value.

Max+90Max82No SP50Min45Scarf135Tailwind180

At max Speed, Aron outspeeds 5 of the 30 most used Pokémon in Champions VGC, and ties 2.

Others at their most common Speed investment in Champions VGC (Reg M-C · Doubles, Sep 2026); Pokémon holding a Mega Stone are shown as their Mega.

Type matchups

Weak to

Fighting4×Ground4×Water2×

Resists

Flying¼×Normal¼×Bug½×Dragon½×Fairy½×Ice½×Psychic½×Rock½×

Immune to

Poison0×

Takes normal damage from 6 types

GhostSteelFireGrassElectricDark

Abilities

Sturdy
Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.
Rock Head
Protects against recoil damage.
Heavy MetalHidden ability
Doubles the Pokémon's weight.

Competitive

National DexLC

Not used in the tracked Showdown formats this month.

Evolution

#0304AronSteelRock
1. Level 32#0305LaironSteelRock
  1. Level 42#0306AggronSteelRock

Moves

Game Sort Type

Level up 17

1HardenRaises the user’s Defense by one stage.NormalStatus——30

1TackleInflicts regular damage with no additional effect.NormalPhys40100%35

4Metal ClawHas a 10% chance to raise the user’s Attack by one stage.SteelPhys5095%35

8Rock TombHas a 100% chance to lower the target’s Speed by one stage.RockPhys6095%15

12RoarImmediately ends wild battles. Forces trainers to switch Pokémon.NormalStatus——20

16HeadbuttHas a 30% chance to make the target flinch.NormalPhys70100%15

20ProtectPrevents any moves from hitting the user this turn.NormalStatus——10

24Rock SlideHas a 30% chance to make the target flinch.RockPhys7590%10

28Iron HeadHas a 30% chance to make the target flinch.SteelPhys80100%15

33Metal SoundLowers the target’s Special Defense by two stages.SteelStatus—85%40

36Take DownUser receives 1/4 the damage it inflicts in recoil.NormalPhys9085%20

40AutotomizeRaises the user’s Speed by two stages and halves the user’s weight.SteelStatus——15

44Iron TailHas a 30% chance to lower the target’s Defense by one stage.SteelPhys10075%15

48Iron DefenseRaises the user’s Defense by two stages.SteelStatus——15

52Heavy SlamPower is higher when the user weighs more than the target, up to a maximum of 120.SteelPhys—100%10

56Double-EdgeUser receives 1/3 the damage inflicted in recoil.NormalPhys120100%15

60Metal BurstStrikes back at the last Pokémon to hit the user this turn with 1.5× the damage.SteelPhys—100%10

TM / HM / TR 28

TM83BulldozeHas a 100% chance to lower the target’s Speed by one stage.GroundPhys60100%20

HM01CutInflicts regular damage with no additional effect.NormalPhys5095%30

HM04StrengthInflicts regular damage with no additional effect.NormalPhys80100%15

HM06Rock SmashHas a 50% chance to lower the target’s Defense by one stage.FightingPhys40100%15

TMRoarImmediately ends wild battles. Forces trainers to switch Pokémon.NormalStatus——20

TMEarthquakeInflicts regular damage and can hit Dig users.GroundPhys100100%10

TMDigUser digs underground, dodging all attacks, and hits next turn.GroundPhys80100%10

TMDouble TeamRaises the user’s evasion by one stage.NormalStatus——15

TMRestUser sleeps for two turns, completely healing itself.PsychicStatus——5

TMRock SlideHas a 30% chance to make the target flinch.RockPhys7590%10

TMSubstituteTransfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks.NormalStatus——10

TMProtectPrevents any moves from hitting the user this turn.NormalStatus——10

TMSandstormChanges the weather to a sandstorm for five turns.RockStatus——10

TMEndurePrevents the user’s HP from lowering below 1 this turn.NormalStatus——10

TMSwaggerRaises the target’s Attack by two stages and confuses the target.NormalStatus—85%15

TMAttractTarget falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.NormalStatus—100%15

TMSleep TalkRandomly uses one of the user’s other three moves. Only works if the user is sleeping.NormalStatus——10

TMIron TailHas a 30% chance to lower the target’s Defense by one stage.SteelPhys10075%15

TMRain DanceChanges the weather to rain for five turns.WaterStatus——5

TMSunny DayChanges the weather to sunny for five turns.FireStatus——5

TMFacadePower doubles if user is burned, paralyzed, or poisoned.NormalPhys70100%20

TMRock TombHas a 100% chance to lower the target’s Speed by one stage.RockPhys6095%15

TMAerial AceNever misses.FlyingPhys60—20

TMShock WaveNever misses.ElectricSpec60—20

TMWater PulseHas a 20% chance to confuse the target.WaterSpec60100%20

TMRock PolishRaises the user’s Speed by two stages.RockStatus——20

TMShadow ClawHas an increased chance for a critical hit.GhostPhys70100%15

TMStealth RockCauses damage when opposing Pokémon switch in.RockStatus——20

Egg moves 11

EggBody SlamHas a 30% chance to paralyze the target.NormalPhys85100%15

EggCurseGhosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.GhostStatus——10

EggDragon RushHas a 20% chance to make the target flinch.DragonPhys10075%10

EggEndeavorLowers the target’s HP to equal the user’s.NormalPhys—100%5

EggHead SmashUser receives 1/2 the damage inflicted in recoil.RockPhys15080%5

EggIron HeadHas a 30% chance to make the target flinch.SteelPhys80100%15

EggMud-SlapHas a 100% chance to lower the target’s accuracy by one stage.GroundSpec20100%10

EggReversalInflicts more damage when the user has less HP remaining, with a maximum of 200 power.FightingPhys—100%15

EggScreechLowers the target’s Defense by two stages.NormalStatus—85%40

EggStompHas a 30% chance to make the target flinch.NormalPhys65100%20

EggSuperpowerLowers the user’s Attack and Defense by one stage after inflicting damage.FightingPhys120100%5

Pokédex entries

Category: Iron Armor Pokémon
Debut: Hoenn · Ruby & Sapphire
Color: Gray
Shape
Habitat: Mountain
Pal Park area: Mountain

Original Hoenn#070Updated Unova#166Mountain Kalos#099New Hoenn#072Crown Tundra#191Lumiose#199

When Aron evolves, its steel armor peels off. In ancient times, people would collect Aron’s shed armor and make good use of it in their daily lives.
Shield
It eats iron ore—and sometimes railroad tracks— to build up the steel armor that protects its body.
Sword
In order to build up its steel body, it eats iron ore. This pesky Pokémon is known to eat railroad tracks.
Black 2 · White 2
When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.
HeartGold · SoulSilver · Y
It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Diamond · Pearl · Platinum · Black · White · X
It eats iron to build its steel body. It is a pest that descends from mountains to eat bridges and train tracks.
FireRed · LeafGreen
A Pokémon that is clad in steel armor. A new suit of armor is made when it evolves. The old, discarded armor is salvaged as metal for making iron products.
Emerald
ARON has a body of steel. With one all-out charge, this Pokémon can demolish even a heavy dump truck. The destroyed dump truck then becomes a handy meal for the Pokémon.
Sapphire · Alpha Sapphire
This Pokémon has a body of steel. To make its body, ARON feeds on iron ore that it digs from mountains. Occasionally, it causes major trouble by eating bridges and rails.
Ruby · Omega Ruby

Names around the world

Japanese: ココドラ
Japanese (romaji): Cokodora
Korean: 가보리
Chinese (Traditional): 可可多拉
Chinese (Simplified): 可可多拉
French: Galekid
German: Stollunior
Spanish: Aron
Italian: Aron

Sprites

Tap any sprite to show it on the Pokédex above. ▶ marks official animations; Gen VIII–IX models are large, so they load only when you tap them.

Official artwork

3D models

Generation III

Generation IV

Generation V

Generation VI

Generation VII

Generation VIII · animated models

Generation IX · animated models

Training

EV yield: 1 Def
Catch rate: 180 ≈23.5% with a Poké Ball at full HP
Base friendship: 35
Base experience: 66
Growth rate: Slow

Breeding

Egg groups: Monster
Gender: ♂ 50%♀ 50%
Hatch time: 35 egg cycles ≈9,180 steps (Gen IV–VII)

Where to find

Shield: The Crown Tundra 11 areas

Ballimere LakeSpecial overworld spawn in a fixed location. · Lv 63
Ballimere Lake (Max Den D)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Frigid Sea (Max Den E)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den J)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den N)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Lakeside CaveWalking in the overworld · Lv 60–65
Path to the Peak (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Slippery Slope (Max Den B)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Snowslide Slope (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Snowslide Slope (Max Den C)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40

Sword: The Crown Tundra 11 areas

Ballimere LakeSpecial overworld spawn in a fixed location. · Lv 63
Ballimere Lake (Max Den D)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Frigid Sea (Max Den E)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den J)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Giant's Bed (Max Den N)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Lakeside CaveWalking in the overworld · Lv 60–65
Path to the Peak (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Slippery Slope (Max Den B)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Snowslide Slope (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40
Snowslide Slope (Max Den C)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 15–40

Alpha Sapphire 4 areas

Granite Cave (B1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 6
Granite Cave (B2F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 6
Victory Road (1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 20
Victory Road (B1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 20

Omega Ruby 4 areas

Granite Cave (B1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 6
Granite Cave (B2F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 6
Victory Road (1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 20
Victory Road (B1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 20

X 5 areas

Terminus Cave (1F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 24
Terminus Cave (B1F left)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 24
Terminus Cave (B1F right)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 24
Terminus Cave (B2F)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 24
Terminus Cave (Zygarde's Chamber)Encountering 5 Pokemon within grass, flowers, or within a cave · Lv 24

White 2 2 areas

Guidance ChamberWalking in tall grass or a cave · Lv 29–30
Mistralton CaveWalking in tall grass or a cave · Lv 29–30

Black 2 2 areas

Guidance ChamberWalking in tall grass or a cave · Lv 29–30
Mistralton CaveWalking in tall grass or a cave · Lv 29–30

XD 1 area

Cave PokespotFinding a Wild Pokemon at any of the three Pokespots in Pokemon XD: Gale of Darkness. · Lv 10–21

SoulSilver 1 area

Safari Zone Rocky BeachWalking in tall grass or a cave · Lv 44–45

HeartGold 1 area

Safari Zone Rocky BeachWalking in tall grass or a cave · Lv 44–45

Platinum 1 area

Fuego IronworksWalking in tall grass or a cave · Lv 30–31

Diamond 1 area

Fuego IronworksWalking in tall grass or a cave · Lv 29–30

Emerald 4 areas

Granite Cave (1F/small room)Walking in tall grass or a cave · Lv 7–8
Granite Cave (B1F)Walking in tall grass or a cave · Lv 9–11
Granite Cave (B2F)Walking in tall grass or a cave · Lv 10–12
Victory Road (1F)Walking in tall grass or a cave · Lv 36

Sapphire 4 areas

Granite Cave (1F/small room)Walking in tall grass or a cave · Lv 7–8
Granite Cave (B1F)Walking in tall grass or a cave · Lv 9–11
Granite Cave (B2F)Walking in tall grass or a cave · Lv 10–12
Victory Road (1F)Walking in tall grass or a cave · Lv 36

Ruby 4 areas

Granite Cave (1F/small room)Walking in tall grass or a cave · Lv 7–8
Granite Cave (B1F)Walking in tall grass or a cave · Lv 9–11
Granite Cave (B2F)Walking in tall grass or a cave · Lv 10–12
Victory Road (1F)Walking in tall grass or a cave · Lv 36