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Aron

#304 in the X and Y Pokédex • Iron Armor Pokémon

Pokémon X

It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.

Pokémon Y

When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.

Pokédexes

Mountain Kalos #99

Egg Group

Monster

Steps to Hatch

8,960

Effort Values Yielded

1 Def

Gender Ratio

50% male / 50% female

Capture Rate

180

Base Experience

66
PokémonRequiresEvolution
Aron

Aron

#304

Level 32

Lairon

Lairon

#305

Lairon

Lairon

#305

Level 42

Aggron

Aggron

#306

Pokémon X

LocationMethodLevelChanceConditions

Terminus Cave

Terminus Cave (unknown area 343)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 344)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 345)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 347)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 348)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Mawile Mega

Lairon

Aron normal sprite

Normal

Shiny Aron sprite

Shiny

Aron

Iron Armor Pokémon

#304
SteelRock

Height

0.4 m

Weight

60 kg

Base XP

66

Abilities

SturdyRock HeadHeavy Metal

HP

50

Attack

70

Defense

100

Sp. Atk

40

Sp. Def

40

Speed

30

Total

330

Type Chart

Weaknesses

Takes 4× from

FightingGround

Takes 2× from

Water

Resistances

Takes 0× from

Poison

Takes 0.25× from

NormalFlying

Takes 0.5× from

IcePsychicBugRockDragonFairy
Hard StoneHard Stone
Pokémon X: 5%
Pokémon Y: 5%
Class
Description
StartTackleNormalPhysical5010035

A physical attack in which the user charges and slams into the target with its whole body.

StartHardenNormalStatus--30

The user stiffens all the muscles in its body to raise its Defense stat.

4Mud-SlapGroundSpecial2010010

The user hurls mud in the target’s face to inflict damage and lower its accuracy.

8HeadbuttNormalPhysical7010015

The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch.

11Metal ClawSteelPhysical509535

The target is raked with steel claws. This may also raise the user’s Attack stat.

15Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

18RoarNormalStatus--20

The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon.

22Take DownNormalPhysical908520

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

25Iron HeadSteelPhysical8010015

The user slams the target with its steel-hard head. This may also make the target flinch.

29ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

32Metal SoundSteelStatus-8540

A horrible sound like scraping metal harshly lowers the target’s Sp. Def stat.

36Iron TailSteelPhysical1007515

The target is slammed with a steel-hard tail. This may also lower the target’s Defense stat.

39AutotomizeSteelStatus--15

The user sheds part of its body to make itself lighter and sharply raise its Speed stat.

43Heavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

46Double-EdgeNormalPhysical12010015

A reckless, life-risking tackle. This also damages the user quite a lot.

50Metal BurstSteelPhysical-10010

The user retaliates with much greater power against the target that last inflicted damage on it.

Class
Description
Body SlamNormalPhysical8510015

The user drops onto the target with its full body weight. This may also leave the target with paralysis.

CurseGhostStatus--10

A move that works differently for the Ghost type than for all other types.

Dragon RushDragonPhysical1007510

The user tackles the target while exhibiting overwhelming menace. This may also make the target flinch.

EndeavorNormalPhysical-1005

An attack move that cuts down the target’s HP to equal the user’s HP.

Head SmashRockPhysical150805

The user attacks the target with a hazardous, full-power headbutt. This also damages the user terribly.

Iron HeadSteelPhysical8010015

The user slams the target with its steel-hard head. This may also make the target flinch.

ReversalFightingPhysical-10015

An all-out attack that becomes more powerful the less HP the user has.

ScreechNormalStatus-8540

An earsplitting screech harshly lowers the target’s Defense stat.

Smelling SaltsNormalPhysical7010010

This attack inflicts double damage on a target with paralysis. This also cures the target’s paralysis, however.

Stealth RockRockStatus--20

The user lays a trap of levitating stones around the opposing team. The trap hurts opposing Pokémon that switch into battle.

StompNormalPhysical6510020

The target is stomped with a big foot. This may also make the target flinch.

SuperpowerFightingPhysical1201005

The user attacks the target with great power. However, this also lowers the user’s Attack and Defense stats.

Class
Description
HM01CutNormalPhysical509530

The target is cut with a scythe or claw. This can also be used to cut down thin trees.

HM04StrengthNormalPhysical8010015

The target is slugged with a punch thrown at maximum power. This can also be used to move heavy boulders.

TM01Hone ClawsDarkStatus--15

The user sharpens its claws to boost its Attack stat and accuracy.

TM05RoarNormalStatus--20

The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM10Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

TM11Sunny DayFireStatus--5

The user intensifies the sun for five turns, powering up Fire-type moves.

TM17ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM26EarthquakeGroundPhysical10010010

The user sets off an earthquake that strikes every Pokémon around it.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM28DigGroundPhysical8010010

The user burrows, then attacks on the next turn. It can also be used to exit dungeons.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

TM39Rock TombRockPhysical609515

Boulders are hurled at the target. This also lowers the target’s Speed stat by preventing its movement.

TM40Aerial AceFlyingPhysical60-20

The user confounds the target with speed, then slashes. This attack never misses.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM65Shadow ClawGhostPhysical7010015

The user slashes with a sharp claw made from shadows. Critical hits land more easily.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. This can sharply raise the Speed stat.

TM78BulldozeGroundPhysical6010020

The user strikes everything around it by stomping down on the ground. This lowers the Speed stat of those hit.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing Pokémon to inflict damage. This may also make the opposing Pokémon flinch.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.

TM88Sleep TalkNormalStatus--10

While it is asleep, the user randomly uses one of the moves it knows.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM94Rock SmashFightingPhysical4010015

The user attacks with a punch. This may also lower the target’s Defense stat. This move can also shatter rocks in the field.

TM100ConfideNormalStatus--20

The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.

Sturdy

Ability Slot 1

It cannot be knocked out with one hit.

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Rock Head

Ability Slot 2

Protects the Pokémon from recoil damage.

Protects against recoil damage.

Heavy Metal

Hidden Ability

Doubles the Pokémon’s weight.

Doubles the Pokémon's weight.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.

X/Y / Pokédex

Aron

Aron

#304 in the X and Y Pokédex • Iron Armor Pokémon

Pokémon X

It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.

Pokémon Y

When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.

Pokédexes

Mountain Kalos #99

Egg Group

Monster

Steps to Hatch

8,960

Effort Values Yielded

1 Def

Gender Ratio

50% male / 50% female

Capture Rate

180

Base Experience

66
PokémonRequiresEvolution
Aron

Aron

#304

Level 32

Lairon

Lairon

#305

Lairon

Lairon

#305

Level 42

Aggron

Aggron

#306

Pokémon X

LocationMethodLevelChanceConditions

Terminus Cave

Terminus Cave (unknown area 343)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 344)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 345)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 347)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Terminus Cave

Terminus Cave (unknown area 348)

Encountering 5 Pokemon within grass, flowers, or within a cave245%

-

Mawile Mega

Lairon

Aron normal sprite

Normal

Shiny Aron sprite

Shiny

Aron

Iron Armor Pokémon

#304
SteelRock

Height

0.4 m

Weight

60 kg

Base XP

66

Abilities

SturdyRock HeadHeavy Metal

HP

50

Attack

70

Defense

100

Sp. Atk

40

Sp. Def

40

Speed

30

Total

330

Type Chart

Weaknesses

Takes 4× from

FightingGround

Takes 2× from

Water

Resistances

Takes 0× from

Poison

Takes 0.25× from

NormalFlying

Takes 0.5× from

IcePsychicBugRockDragonFairy
Hard StoneHard Stone
Pokémon X: 5%
Pokémon Y: 5%
Class
Description
StartTackleNormalPhysical5010035

A physical attack in which the user charges and slams into the target with its whole body.

StartHardenNormalStatus--30

The user stiffens all the muscles in its body to raise its Defense stat.

4Mud-SlapGroundSpecial2010010

The user hurls mud in the target’s face to inflict damage and lower its accuracy.

8HeadbuttNormalPhysical7010015

The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch.

11Metal ClawSteelPhysical509535

The target is raked with steel claws. This may also raise the user’s Attack stat.

15Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

18RoarNormalStatus--20

The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon.

22Take DownNormalPhysical908520

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

25Iron HeadSteelPhysical8010015

The user slams the target with its steel-hard head. This may also make the target flinch.

29ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

32Metal SoundSteelStatus-8540

A horrible sound like scraping metal harshly lowers the target’s Sp. Def stat.

36Iron TailSteelPhysical1007515

The target is slammed with a steel-hard tail. This may also lower the target’s Defense stat.

39AutotomizeSteelStatus--15

The user sheds part of its body to make itself lighter and sharply raise its Speed stat.

43Heavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

46Double-EdgeNormalPhysical12010015

A reckless, life-risking tackle. This also damages the user quite a lot.

50Metal BurstSteelPhysical-10010

The user retaliates with much greater power against the target that last inflicted damage on it.

Class
Description
Body SlamNormalPhysical8510015

The user drops onto the target with its full body weight. This may also leave the target with paralysis.

CurseGhostStatus--10

A move that works differently for the Ghost type than for all other types.

Dragon RushDragonPhysical1007510

The user tackles the target while exhibiting overwhelming menace. This may also make the target flinch.

EndeavorNormalPhysical-1005

An attack move that cuts down the target’s HP to equal the user’s HP.

Head SmashRockPhysical150805

The user attacks the target with a hazardous, full-power headbutt. This also damages the user terribly.

Iron HeadSteelPhysical8010015

The user slams the target with its steel-hard head. This may also make the target flinch.

ReversalFightingPhysical-10015

An all-out attack that becomes more powerful the less HP the user has.

ScreechNormalStatus-8540

An earsplitting screech harshly lowers the target’s Defense stat.

Smelling SaltsNormalPhysical7010010

This attack inflicts double damage on a target with paralysis. This also cures the target’s paralysis, however.

Stealth RockRockStatus--20

The user lays a trap of levitating stones around the opposing team. The trap hurts opposing Pokémon that switch into battle.

StompNormalPhysical6510020

The target is stomped with a big foot. This may also make the target flinch.

SuperpowerFightingPhysical1201005

The user attacks the target with great power. However, this also lowers the user’s Attack and Defense stats.

Class
Description
HM01CutNormalPhysical509530

The target is cut with a scythe or claw. This can also be used to cut down thin trees.

HM04StrengthNormalPhysical8010015

The target is slugged with a punch thrown at maximum power. This can also be used to move heavy boulders.

TM01Hone ClawsDarkStatus--15

The user sharpens its claws to boost its Attack stat and accuracy.

TM05RoarNormalStatus--20

The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM10Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

TM11Sunny DayFireStatus--5

The user intensifies the sun for five turns, powering up Fire-type moves.

TM17ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM26EarthquakeGroundPhysical10010010

The user sets off an earthquake that strikes every Pokémon around it.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM28DigGroundPhysical8010010

The user burrows, then attacks on the next turn. It can also be used to exit dungeons.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

TM39Rock TombRockPhysical609515

Boulders are hurled at the target. This also lowers the target’s Speed stat by preventing its movement.

TM40Aerial AceFlyingPhysical60-20

The user confounds the target with speed, then slashes. This attack never misses.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM65Shadow ClawGhostPhysical7010015

The user slashes with a sharp claw made from shadows. Critical hits land more easily.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. This can sharply raise the Speed stat.

TM78BulldozeGroundPhysical6010020

The user strikes everything around it by stomping down on the ground. This lowers the Speed stat of those hit.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing Pokémon to inflict damage. This may also make the opposing Pokémon flinch.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.

TM88Sleep TalkNormalStatus--10

While it is asleep, the user randomly uses one of the moves it knows.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM94Rock SmashFightingPhysical4010015

The user attacks with a punch. This may also lower the target’s Defense stat. This move can also shatter rocks in the field.

TM100ConfideNormalStatus--20

The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.

Sturdy

Ability Slot 1

It cannot be knocked out with one hit.

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Rock Head

Ability Slot 2

Protects the Pokémon from recoil damage.

Protects against recoil damage.

Heavy Metal

Hidden Ability

Doubles the Pokémon’s weight.

Doubles the Pokémon's weight.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.