Aron

Aron is a Steel/Rock type Pokémon introduced in Generation 3. It is known as the Iron Armor Pokémon.

Pokédex data

National № 304
Type Steel Rock
Species Iron Armor Pokémon
Height 0.4 m (1′04″)
Weight 60.0 kg (132.3 lbs)
Abilities 1. Sturdy
2. Rock Head
Heavy Metal (hidden ability)
Local № 070 (Ruby/Sapphire/Emerald)
166 (Black 2/White 2)
099 (X/Y — Mountain Kalos)
072 (Omega Ruby/Alpha Sapphire)
191 (The Crown Tundra)

Training

EV yield 1 Defense
Catch rate 180 (23.5% with PokéBall, full HP)
Base Friendship 35 (lower than normal)
Base Exp. 66
Growth Rate Slow

Breeding

Egg Groups Monster
Gender 50% male, 50% female
Egg cycles 35 (8,739–8,995 steps)

Base stats

HP 50
210 304
Attack 70
130 262
Defense 100
184 328
Sp. Atk 40
76 196
Sp. Def 40
76 196
Speed 30
58 174
Total 330 Min Max

The ranges shown on the right are for a level 100 Pokémon. Maximum values are based on a beneficial nature, 252 EVs, 31 IVs; minimum values are based on a hindering nature, 0 EVs, 0 IVs.

Type defenses

The effectiveness of each type on Aron.

Evolution chart

#304
Aron
Steel · Rock
(Level 32)
#305
Lairon
Steel · Rock
(Level 42)
#306
Aggron
Steel · Rock

Aron changes

Pokédex entries

Ruby 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.
Sapphire 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.
FireRed
LeafGreen
It eats iron to build its steel body. It is a pest that descends from mountains to eat bridges and train tracks.
Emerald 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.
Diamond
Pearl
Platinum
It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
HeartGold
SoulSilver
When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.
Black
White
It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Black 2
White 2
In order to build up its steel body, it eats iron ore. This pesky Pokémon is known to eat railroad tracks.
X It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Y When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.
Omega Ruby 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.
Alpha Sapphire 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.
Sword It eats iron ore—and sometimes railroad tracks—to build up the steel armor that protects its body.
Shield 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.

Moves learned by Aron

Moves learnt by level up

Aron learns the following moves in Pokémon Sword & Shield at the levels specified.

Lv.
Move
Type
Cat.
Power
Acc.
1HardenNormal
1TackleNormal 40 100
4Metal ClawSteel 50 95
8Rock TombRock 60 95
12RoarNormal
16HeadbuttNormal 70 100
20ProtectNormal
24Rock SlideRock 75 90
28Iron HeadSteel 80 100
33Metal SoundSteel 85
36Take DownNormal 90 85
40AutotomizeSteel
44Iron TailSteel 100 75
48Iron DefenseSteel
52Heavy SlamSteel 100
56Double-EdgeNormal 120 100
60Metal BurstSteel 100

Egg moves

Aron learns the following moves via breeding in Pokémon Sword & Shield. Details and compatible parents can be found on the Aron egg moves page.

Move
Type
Cat.
Power
Acc.
CurseGhost
Dragon RushDragon 100 75
EndeavorNormal 100
Head SmashRock 150 80
Mud-SlapGround 20 100
StompNormal 65 100

Move Tutor moves

Aron can be taught these attacks in Pokémon Sword & Shield from move tutors (details):

Move
Type
Cat.
Power
Acc.
Steel RollerSteel 130 100

Moves learnt by TM

Aron is compatible with these Technical Machines in Pokémon Sword & Shield:

TM
Move
Type
Cat.
Power
Acc.
15DigGround 80 100
16ScreechNormal 85
21RestPsychic
22Rock SlideRock 75 90
24SnoreNormal 50 100
25ProtectNormal
31AttractNormal 100
32SandstormRock
33Rain DanceWater
34Sunny DayFire
39FacadeNormal 70 100
48Rock TombRock 60 95
65Shadow ClawGhost 70 100
76RoundNormal 60 100
81BulldozeGround 60 100

Moves learnt by TR

Aron is compatible with these Technical Records in Pokémon Sword & Shield:

Moves learnt by level up

Aron learns the following moves in Pokémon Ultra Sun & Ultra Moon at the levels specified.

Lv.
Move
Type
Cat.
Power
Acc.
1HardenNormal
1TackleNormal 40 100
4Mud-SlapGround 20 100
7HeadbuttNormal 70 100
10Metal ClawSteel 50 95
13Rock TombRock 60 95
16ProtectNormal
19RoarNormal
22Iron HeadSteel 80 100
25Rock SlideRock 75 90
28Take DownNormal 90 85
31Metal SoundSteel 85
34Iron TailSteel 100 75
37Iron DefenseSteel
40Double-EdgeNormal 120 100
43AutotomizeSteel
46Heavy SlamSteel 100
49Metal BurstSteel 100

Egg moves

Aron learns the following moves via breeding in Pokémon Ultra Sun & Ultra Moon. Details and compatible parents can be found on the Aron egg moves page.

Move
Type
Cat.
Power
Acc.
Body SlamNormal 85 100
CurseGhost
Dragon RushDragon 100 75
EndeavorNormal 100
Head SmashRock 150 80
Iron HeadSteel 80 100
ReversalFighting 100
ScreechNormal 85
Smelling SaltsNormal 70 100
Stealth RockRock
StompNormal 65 100
SuperpowerFighting 120 100

Move Tutor moves

Aron can be taught these attacks in Pokémon Ultra Sun & Ultra Moon from move tutors (details):

Move
Type
Cat.
Power
Acc.
Earth PowerGround 90 100
EndeavorNormal 100
Iron DefenseSteel
Iron HeadSteel 80 100
Iron TailSteel 100 75
Magnet RiseElectric
Shock WaveElectric 60
SnoreNormal 50 100
SpiteGhost 100
Stealth RockRock
SuperpowerFighting 120 100
UproarNormal 90 100
Water PulseWater 60 100

Moves learnt by TM

Aron is compatible with these Technical Machines in Pokémon Ultra Sun & Ultra Moon:

Transfer-only moves

Aron can only learn these moves in previous generations. It must be taught the moves in the appropriate game and then transferred to Pokémon Ultra Sun & Ultra Moon.

Move
Type
Cat.
Power
Acc.
Method
Defense CurlNormal Generation 3 — Move tutor
MimicNormal Generation 3 — Move tutor
CaptivateNormal 100 Generation 4 — TM
EndureNormal Generation 4 — TM
Natural GiftNormal 100 Generation 4 — TM
Ancient PowerRock 60 100 Generation 4 — Move tutor
Fury CutterBug 40 95 Generation 4 — Move tutor
RolloutRock 30 90 Generation 4 — Move tutor
DigGround 80 100 Generation 6 — TM
Hone ClawsDark Generation 6 — TM
Rock SmashFighting 40 100 Generation 6 — TM
Secret PowerNormal 70 100 Generation 6 — TM
CutNormal 50 95 Generation 6 — HM
StrengthNormal 80 100 Generation 6 — HM

Aron sprites

Type Generation 3 Generation 4 Generation 5 Generation 6 Generation 7 Generation 8
Normal Aron  sprite from Ruby & Sapphire Aron  sprite from Diamond & Pearl Aron  sprite from Black & White Aron  sprite from X & Y
Shiny Aron Shiny sprite from Ruby & Sapphire Aron Shiny sprite from Diamond & Pearl Aron Shiny sprite from Black & White Aron Shiny sprite from X & Y

Where to find Aron

Ruby
Sapphire
Granite Cave, Victory Road
FireRed
LeafGreen
Trade/migrate from another game
Emerald Granite Cave, Victory Road
Diamond Fuego Ironworks
Pearl Trade/migrate from another game
Platinum Fuego Ironworks
HeartGold
SoulSilver
Trade/migrate from another game
Black Trade/migrate from another game
White White Forest
Black 2
White 2
Mistralton Cave
X Terminus Cave
Y Trade/migrate from another game
Omega Ruby
Alpha Sapphire
Granite Cave, Victory Road
Sun
Moon
Trade/migrate from another game
Ultra Sun
Ultra Moon
Breed Lairon/Aggron
Let's Go Pikachu
Let's Go Eevee
Trade/migrate from another game
Sword
Shield
Lakeside Cave

Other languages

English, Spanish, Italian Aron
Japanese ココドラ (Cokodora)
German Stollunior
French Galekid

Name origin

armor
tough protective shell or clothing
iron
heavy/tough metal