Aron: Stats, Moves, Weakness & Evolution

Base stats

HP50125–157210–304

Atk7081–134130–262

Def100108–167184–328

SpA4054–10176–196

SpD4054–10176–196

Spe3045–9058–174

Total330Higher than 26% of Pokémon

Ranges in Pokémon Champions at Lv 50: 0 Stat Points with a −10% Stat Alignment to 32 Stat Points with a +10% one (HP has no alignment).Ranges in the main games at Lv 100: 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

Calculate damage →

Type matchups

SteelRockshow which type causes itweaknessresistance

Weak to

4×

FightingGround

2×

Water

Resists

½×

BugDragonFairyIcePsychicRock

¼×

FlyingNormal

Immune to

0×

Poison

Takes normal damage from 6 types

GhostSteelFireGrassElectricDark

Speed tiers

The faster Pokémon moves first each turn, so knowing who you outspeed decides a lot of battles. These are its Speed values at Lv 50 in Pokémon Champions (base Speed 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 on Showdown, and ties 2.

Smogon · Showdown 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.

Abilities

If this Pokémon is at full HP, it survives one hit with at least 1 HP. Immune to OHKO.
Everything about Sturdy →
Other Pokémon with Sturdy 42
Geodude Graveler Golem Magnemite Magneton Onix Sudowoodo Pineco Forretress Steelix Shuckle Skarmory Donphan Nosepass Lairon Aggron Relicanth Regirock Shieldon Bastiodon Bonsly Magnezone Probopass Roggenrola Boldore Gigalith Sawk Dwebble Crustle Tirtouga Carracosta Tyrunt Carbink Bergmite Avalugg Togedemaru Cosmoem Nacli Naclstack Garganacl Cornerstone Mask Ogerpon Archaludon
This Pokémon does not take recoil damage besides Struggle/Life Orb/crash damage.
Everything about Rock Head →
Other Pokémon with Rock Head 21
Hisuian Growlithe Hisuian Arcanine Geodude Graveler Golem Onix Cubone Marowak Rhyhorn Rhydon Aerodactyl Sudowoodo Steelix Lairon Aggron Relicanth Bagon Shelgon Bonsly Blue-Striped Basculin Tyrantrum
This Pokémon's weight is doubled.
Everything about Heavy Metal →
Other Pokémon with Heavy Metal 7
Lairon Aggron Bronzor Bronzong Cufant Copperajah Duraludon

Competitive

Smogon · Showdown On Showdown

Not used in the tracked Showdown formats this month.

Other Showdown formats Scarlet & Violet, with Tera

National DexLC

Evolution

#0304AronSteelRock
1. Level 32
  #0305LaironSteelRock
  1. Level 42
    #0306AggronSteelRock
    1. Mega Evolution, in battleholding Aggronite
      #0306Mega AggronSteel

Moves

Game Sort Type

Level up 17

1HardenRaises the user's Defense by 1.NormalStatus——30

1TackleNo additional effect.NormalPhys40100%35

4Metal Claw10% chance to raise the user's Attack by 1.SteelPhys5095%35

8Rock Tomb100% chance to lower the target's Speed by 1.RockPhys6095%15

12RoarForces the target to switch to a random ally.NormalStatus——20

16Headbutt30% chance to make the target flinch.NormalPhys70100%15

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

24Rock Slide30% chance to make the foe(s) flinch.RockPhys7590%10

28Iron Head30% chance to make the target flinch.SteelPhys80100%15

33Metal SoundLowers the target's Sp. Def by 2.SteelStatus—85%40

36Take DownHas 1/4 recoil.NormalPhys9085%20

40AutotomizeRaises the user's Speed by 2; user loses 100 kg.SteelStatus——15

44Iron Tail30% chance to lower the target's Defense by 1.SteelPhys10075%15

48Iron DefenseRaises the user's Defense by 2.SteelStatus——15

52Heavy SlamMore power the heavier the user than the target.SteelPhys—100%10

56Double-EdgeHas 33% recoil.NormalPhys120100%15

60Metal BurstIf hit by an attack, returns 1.5× damage.SteelPhys—100%10

TM / HM / TR 28

TM83Bulldoze100% chance lower adjacent Pkmn Speed by 1.GroundPhys60100%20

HM01CutNo additional effect.NormalPhys5095%30

HM04StrengthNo additional effect.NormalPhys80100%15

HM06Rock Smash50% chance to lower the target's Defense by 1.FightingPhys40100%15

TMRoarForces the target to switch to a random ally.NormalStatus——20

TMEarthquakeHits adjacent Pokémon. Double damage on Dig.GroundPhys100100%10

TMDigDigs underground turn 1, strikes turn 2.GroundPhys80100%10

TMDouble TeamRaises the user's evasiveness by 1.NormalStatus——15

TMRestUser sleeps 2 turns and restores HP and status.PsychicStatus——5

TMRock Slide30% chance to make the foe(s) flinch.RockPhys7590%10

TMSubstituteUser takes 1/4 its max HP to put in a substitute.NormalStatus——10

TMProtectPrevents moves from affecting the user this turn.NormalStatus——10

TMSandstormFor 5 turns, a sandstorm rages. Rock: 1.5× SpD.RockStatus——10

TMEndureUser survives attacks this turn with at least 1 HP.NormalStatus——10

TMSwaggerRaises the target's Attack by 2 and confuses it.NormalStatus—85%15

TMAttractA target of the opposite gender gets infatuated.NormalStatus—100%15

TMSleep TalkUser must be asleep. Uses another known move.NormalStatus——10

TMIron Tail30% chance to lower the target's Defense by 1.SteelPhys10075%15

TMRain DanceFor 5 turns, heavy rain powers Water moves.WaterStatus——5

TMSunny DayFor 5 turns, intense sunlight powers Fire moves.FireStatus——5

TMFacadePower doubles if user is burn/poison/paralyzed.NormalPhys70100%20

TMRock Tomb100% chance to lower the target's Speed by 1.RockPhys6095%15

TMAerial AceThis move does not check accuracy.FlyingPhys60—20

TMShock WaveThis move does not check accuracy.ElectricSpec60—20

TMWater Pulse20% chance to confuse the target.WaterSpec60100%20

TMRock PolishRaises the user's Speed by 2.RockStatus——20

TMShadow ClawHigh critical hit ratio.GhostPhys70100%15

TMStealth RockHurts foes on switch-in. Factors Rock weakness.RockStatus——20

Egg moves 11

EggBody Slam30% chance to paralyze the target.NormalPhys85100%15

EggCurseCurses if Ghost, else -1 Spe, +1 Atk, +1 Def.GhostStatus——10

EggDragon Rush20% chance to make the target flinch.DragonPhys10075%10

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

EggHead SmashHas 1/2 recoil.RockPhys15080%5

EggIron Head30% chance to make the target flinch.SteelPhys80100%15

EggMud-Slap100% chance to lower the target's accuracy by 1.GroundSpec20100%10

EggReversalMore power the less HP the user has left.FightingPhys—100%15

EggScreechLowers the target's Defense by 2.NormalStatus—85%40

EggStomp30% chance to make the target flinch.NormalPhys65100%20

EggSuperpowerLowers the user's Attack and Defense by 1.FightingPhys120100%5

Biology

It feeds on metal from ores. If it gets too hungry, it may climb down from the mountains it lives in and eat railroad tracks. It sheds its armor on evolution.

Adapted from Wikipedia: List of generation III Pokémon · CC BY-SA 4.0 · edited.

Pokédex entries

: Iron Armor Pokémon
: Hoenn · Ruby & Sapphire
Color: Gray

: 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

English: Aron
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

Artwork and 3D models

Gen IX · Gen VIII · Gen VII · Gen VI

Generation V

Generation IV

Generation III

Training

: 1 Def
: 180 ≈23.5% with a Poké Ball at full HP
: 35
: 66
: Slow

Breeding

: Monster
: ♂ 50%♀ 50%
: 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

Locations cover Red & Blue to Sword & Shield (with its DLC) and Let’s Go. We don’t have them yet for Legends: Arceus, Brilliant Diamond & Shining Pearl, Scarlet & Violet and Legends: Z-A.