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Aron (Pokémon)

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Mawile #303: Mawile
Pokémon
#305: Lairon Lairon
This article is about the species. For a specific instance of this species, see Aron (disambiguation).
Aron
Iron Armor Pokémon
ココドラ
Cokodora
#304
Aron

Aron

Aron

Aron
Images on the Bulbagarden Archives
Type
Steel Rock
Unknown Unknown
Blue-Striped
Unknown Unknown
Unknown Unknown
Unknown Unknown
Unknown Unknown
Abilities
Sturdy or Rock Head Cacophony
Cacophony
Heavy Metal
Hidden Ability

Hidden Ability

Mega Aron

Mega Aron Y
Gender ratio
Unknown
50% male, 50% female
Catch rate
180 (23.5%)
Breeding
Egg Group
Monster
Hatch time
9180 - 9434 steps
Height
1'04" 0.4 m
{{{forme1}}}
0'0" 0 m
{{{forme2}}}
0'0" 0 m
{{{forme3}}}
0'0" 0 m
{{{forme4}}}
Weight
132.3 lbs. 60.0 kg
{{{forme1}}}
0 lbs. 0 kg
{{{forme2}}}
0 lbs. 0 kg
{{{forme3}}}
0 lbs. 0 kg
{{{forme4}}}
Mega Stone
{{{mega}}} {{{mega2}}}
Regional numbers
Pokédex
#304
Kanto
#000
Johto
#070
Hoenn
#000
Sinnoh
#166
Unova
Mountain
#099
Kalos
Not in any regional Pokédex
Browser
R-000
Fiore
R-131
Almia
R-120/N-094
Oblivia
Not in any Browser
Base experience yield
96
Gen. III-IV
Unknown
IV
66
V+
Leveling rate
Slow
EV yield
Total: 1
0
HP
0
Atk
1
Def
0
Sp.Atk
0
Sp.Def
0
Speed
0
HP
0
Atk
0
Def
0
Sp.Atk
0
Sp.Def
0
Speed
0
HP
0
Atk
0
Def
0
Sp.Atk
0
Sp.Def
0
Speed
0
HP
0
Atk
0
Def
0
Sp.Atk
0
Sp.Def
0
Speed
Body style
Body08.png BodyUnknown.png
{{{forme2}}}
Footprint
F304.png None.png
{{{forme2}}}
Pokédex color
Gray
Base friendship
35
External Links

Aron (Japanese: ココドラ Cokodora) is a dual-type Steel/Rock Pokémon.

It evolves into Lairon starting at level 32, which evolves into Aggron starting at level 42.

Biology

Aron is a quadruped Pokémon with four stubby legs and a large round head. Its body is black with plates of gray armor covering its head, back, and legs. Throughout its body are small openings in the armor. There are six openings on its head, with the largest two being openings for its pale blue eyes, and one opening on either side of the spike on its back. A single, blunt spike protrudes from its back.

Aron feeds on iron ore that it digs from mountains. It uses this ore to make its body. Sometimes hunger will drive it to descend from the mountains to eat bridges and rails, which makes it a pest. It makes a new suit of armor after evolving, while its old discarded armor is salvaged for making iron products. With one all-out charge, it can demolish even a heavy dump truck. It lives on mountains.

In the anime

An Aron in the anime

Major appearances

Aron first appeared in A Hole Lotta Trouble. Ash, May, Max, Brock and Team Rocket got themselves lost in a cave full of the Iron Armor Pokémon. Steven, who also owns one, helped them pass through the cave.

Minor appearances

Aron, together with its evolutionary family Aggron and Lairon, appeared in Giratina and the Sky Warrior where they helped Ash's friends stop the glacier. The group appeared again in the credits, where they were seen eating the ruins of the Megarig.

An Aron appeared in Steeling Peace of Mind! and several Aron appeared in Saving the World From Ruins!

A group of Aron also appeared in Genesect and the Legend Awakened at Pokémon Hills.

An Aron appeared in SS027.

Pokédex entries

Episode Pokémon Source Entry
AG022 Aron Ash's Pokédex Aron, the Iron Armor Pokémon. Aron has an impressive defense power and eats iron ore in order to build up the metal in its body.
This concludes the entries from the Advanced Generation series.

In the manga

Aron in Pokémon Adventures

In the Pokémon Adventures manga

Main article: Rono

Sapphire owns an Aron nicknamed Rono, who evolved before facing Brawly at the Dewford Gym, and after a long stay in her team during which it fought Team Aqua a few times, evolved on Mirage Island as she trained with Ruby there. It was her first Pokémon.

Pokédex entries

Manga Chapter Entry
Pokémon Adventures PS188 To sustain its body of iron, it feeds on iron ore dug from mountains. It sometimes creates problems by eating bridges and rails.*
Manga Chapter Entry
Pokémon Adventures PS188 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.*

In the TCG

Main article: Aron (TCG)

Game data

NPC appearances

Pokédex entries

This Pokémon was unavailable prior to Generation III.
Generation I
Red {{{redbluedex}}}
Blue
Yellow {{{yellowdex}}}
Stadium {{{stadiumdex}}}
Generation II
Gold {{{golddex}}}
Silver {{{silverdex}}}
Crystal {{{crystaldex}}}
Stadium 2 Unknown
Generation III
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.
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.
FireRed It eats iron to build its steel body. It is a pest that descends from mountains to eat bridges and train tracks.
LeafGreen
Generation IV
Diamond It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Pearl
Platinum
HeartGold When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.
SoulSilver
Generation V
Black It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
White
Black 2 In order to build up its steel body, it eats iron ore. This pesky Pokémon is known to eat railroad tracks.
White 2
Generation VI
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.

Game locations

This Pokémon was unavailable prior to Generation III.
Generation III
Ruby Sapphire
Granite Cave, Victory Road
Emerald
Granite Cave, Victory Road
FireRed LeafGreen
Trade
Colosseum
Trade
XD
Cave Poké Spot
Generation IV
Diamond
Fuego Ironworks (Poké Radar)
Pearl
Trade
Platinum
Fuego Ironworks (Poké Radar)
HeartGold SoulSilver
Safari Zone
Pal Park
Mountain
Generation V
Black
Trade
White
White Forest
Black 2 White 2
Mistralton Cave
Dream World
Icy Cave
Generation VI
X
Terminus Cave (Horde Encounter)
Y
Trade

In side games

Game Location
Pokémon Pinball:
Ruby & Sapphire
Hatch from Egg
Pokémon Trozei! Secret Storage 5
Secret Storage 16
Endless Level 18
Mr. Who's Den
Pokémon Mystery Dungeon
Red/Blue Rescue Team
Mt. Steel (1F-8F)
Buried Relic (14F-19F)
Wish Cave (7F-10F)
Pokémon Mystery Dungeon
Explorers of Time/Darkness
Northern Desert (1F-8F)
Pokémon Ranger:
Shadows of Almia
Peril Cliffs
Pokémon Ranger:
Guardian Signs
Wireless Tower
Pokémon Rumble Blast Canyon: Volcanic Slope
PokéPark Wii: Pikachu's Adventure Cavern Zone, Lava Zone
Pokémon Conquest Cragspur
Valora

Held items

Game Held Item(s)
Ruby Sapphire Hard Stone Hard Stone (1%)
Emerald
Diamond Pearl Hard Stone Hard Stone (5%)
Platinum Hard Stone Hard Stone (5%)
HeartGold SoulSilver Hard Stone Hard Stone (5%)
Black White Hard Stone Hard Stone (5%)
Black 2 White 2 Hard Stone Hard Stone (5%)
X Y Hard Stone Hard Stone (5%)

Stats

Base stats

Stat Range
At Lv. 50 At Lv. 100
HP: 50
110 - 157 210 - 304
Attack: 70
67 - 134 130 - 262
Defense: 100
94 - 167 184 - 328
Sp.Atk: 40
40 - 101 76 - 196
Sp.Def: 40
40 - 101 76 - 196
Speed: 30
31 - 90 58 - 174
Total: 330   Other Pokémon with this total  
  • Minimum stats are calculated with 0 EVs, IVs of 0, and a hindering nature, if applicable.
  • Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature, if applicable.


Pokéathlon stats

Speed
3/3 ★★★
Power
4/4 ★★★★
Skill
2/3 ★★
Stamina
3/3 ★★★
Jump
2/2 ★★
Total
14/15 ★★

Type effectiveness

Under normal battle conditions in Generation VI, this Pokémon is:
Damaged
normally by:
Normal ¼×
Fighting
Flying ¼×
Poison
Ground
Rock ½×
Bug ½×
Ghost
Steel
Fire
Water
Grass
Electric
Psychic ½×
Ice ½×
Dragon ½×
Dark
Fairy ½×
None
Weak to:
Normal ¼×
Fighting
Flying ¼×
Poison
Ground
Rock ½×
Bug ½×
Ghost
Steel
Fire
Water
Grass
Electric
Psychic ½×
Ice ½×
Dragon ½×
Dark
Fairy ½×
None
Immune to:
Normal ¼×
Fighting
Flying ¼×
Poison
Ground
Rock ½×
Bug ½×
Ghost
Steel
Fire
Water
Grass
Electric
Psychic ½×
Ice ½×
Dragon ½×
Dark
Fairy ½×
None
Resistant to:
Normal ¼×
Fighting
Flying ¼×
Poison
Ground
Rock ½×
Bug ½×
Ghost
Steel
Fire
Water
Grass
Electric
Psychic ½×
Ice ½×
Dragon ½×
Dark
Fairy ½×
None
Notes:

Learnset

By leveling up

Generation VI
Other generations:
III - IV - V
 Level   Move   Type   Cat.   Pwr.   Acc.   PP 
00Start Tackle Normal Physical 05050 100100% 35
00Start Harden Normal Status 0000 —% 30
044 Mud-Slap Ground Special 02020 100100% 10
088 Headbutt Normal Physical 07070 100100% 15
1111 Metal Claw Steel Physical 05050 09595% 35
1515 Iron Defense Steel Status 0000 —% 15
1818 Roar Normal Status 0000 —% 20
2222 Take Down Normal Physical 09090 08585% 20
2525 Iron Head Steel Physical 08080 100100% 15
2929 Protect Normal Status 0000 —% 10
3232 Metal Sound Steel Status 0000 08585% 40
3636 Iron Tail Steel Physical 100100 07575% 15
3939 Autotomize Steel Status 0000 —% 15
4343 Heavy Slam Steel Physical 0000 100100% 10
4646 Double-Edge Normal Physical 120120 100100% 15
5050 Metal Burst Steel Physical 0000 100100% 10
  • A level of "Start" indicates a move that will be known by a Aron obtained at level 1 in Generation VI
  • Bold indicates a move that gets STAB when used by Aron
  • Italic indicates a move that gets STAB only when used by an evolution of Aron
  • Click on the generation numbers at the top to see level-up moves from other generations

By TM/HM

Generation VI
Other generations:
III - IV - V
 TM   Move   Type   Cat.   Pwr.   Acc.   PP 
Bag TM Dark Sprite.png TM01 Hone Claws Dark Status 0000 —}}—% 15
Bag TM Normal Sprite.png TM05 Roar Normal Status 0000 —}}—% 20
Bag TM Poison Sprite.png TM06 Toxic Poison Status 0000 090}}90% 10
Bag TM Normal Sprite.png TM10 Hidden Power Normal Special 06060 100}}100% 15
Bag TM Fire Sprite.png TM11 Sunny Day Fire Status 0000 —}}—% 5
Bag TM Normal Sprite.png TM17 Protect Normal Status 0000 —}}—% 10
Bag TM Water Sprite.png TM18 Rain Dance Water Status 0000 —}}—% 5
Bag TM Normal Sprite.png TM21 Frustration Normal Physical 0000 100}}100% 20
Bag TM Ground Sprite.png TM26 Earthquake Ground Physical 100100 100}}100% 10
Bag TM Normal Sprite.png TM27 Return Normal Physical 0000 100}}100% 20
Bag TM Ground Sprite.png TM28 Dig Ground Physical 08080 100}}100% 10
Bag TM Normal Sprite.png TM32 Double Team Normal Status 0000 —}}—% 15
Bag TM Rock Sprite.png TM37 Sandstorm Rock Status 0000 —}}—% 10
Bag TM Rock Sprite.png TM39 Rock Tomb Rock Physical 06060 095}}95% 15
Bag TM Flying Sprite.png TM40 Aerial Ace Flying Physical 06060 —}}—% 20
Bag TM Normal Sprite.png TM42 Facade Normal Physical 07070 100}}100% 20
Bag TM Psychic Sprite.png TM44 Rest Psychic Status 0000 —}}—% 10
Bag TM Normal Sprite.png TM45 Attract Normal Status 0000 100}}100% 15
Bag TM Normal Sprite.png TM48 Round Normal Special 06060 100}}100% 15
Bag TM Ghost Sprite.png TM65 Shadow Claw Ghost Physical 07070 100}}100% 15
Bag TM Rock Sprite.png TM69 Rock Polish Rock Status 0000 —}}—% 20
Bag TM Ground Sprite.png TM78 Bulldoze Ground Physical 06060 100}}100% 20
Bag TM Rock Sprite.png TM80 Rock Slide Rock Physical 07575 090}}90% 10
Bag TM Normal Sprite.png TM87 Swagger Normal Status 0000 090}}90% 15
Bag TM Normal Sprite.png TM88 Sleep Talk Normal Status 0000 —}}—% 10
Bag TM Normal Sprite.png TM90 Substitute Normal Status 0000 —}}—% 10
Bag TM Fighting Sprite.png TM94 Rock Smash Fighting Physical 04040 100}}100% 15
Bag TM Normal Sprite.png TM100 Confide Normal Status 0000 —}}—% 20
Bag HM Normal Sprite.png HM01 Cut Normal Physical 05050 095}}95% 30
Bag HM Normal Sprite.png HM04 Strength Normal Physical 08080 100}}100% 15
  • Bold indicates a move that gets STAB when used by Aron
  • Italic indicates a move that gets STAB only when used by an evolution of Aron
  • Click on the generation numbers at the top to see TM moves from other generations

By breeding

Generation VI
Other generations:
III - IV - V
 Parent   Move   Type   Cat.   Pwr.   Acc.   PP 
LaprasSnorlaxChikoritaBayleefMeganiumTropius Body Slam Normal Physical 85 100% 15
SlowpokeSlowbroSlowkingTurtwigGrotle Torterra
BergmiteAvalugg
Curse Ghost Status —% 10
GibleGabiteGarchomp Dragon Rush Dragon Physical 100 75% 10
CuboneMarowakMudkipMarshtompSwampertRampardos Endeavor Normal Physical 100% 5
CranidosRampardosTyrantrum Head Smash Rock Physical 150 80% 5
AronLaironAggronShieldonBastiodon Iron Head Steel Physical 80 100% 15
Rhyhorn Reversal* Fighting Physical 100% 15
LickitungLickilickyTotodileCroconawFeraligatrLarvitar
PupitarTyranitarTreeckoGrovyleSceptileWhismur
LoudredExploudCranidosRampardos
Screech Normal Status 85% 40
LickitungLickilickyWhismurLoudredExploud Smelling Salts* Normal Physical 70 100% 10
TyruntTyrantrum Stealth Rock Rock Status —% 20
LickitungLickilickyRhyhornRhydonRhyperiorWhismur
LoudredExploudTropiusTyruntTyrantrum
Stomp Normal Physical 65 100% 20
TotodileCroconawFeraligatrDruddigon Superpower Fighting Physical 120 100% 5
  • Moves marked with an asterisk (*) must be chain bred onto Aron in Generation VI
  • Moves marked with a double dagger (‡) can only be bred from a Pokémon who learned the move in an earlier generation.
  • Moves marked with a superscript game abbreviation can only be bred onto Aron in that game.
  • Bold indicates a move that gets STAB when used by Aron
  • Italic indicates a move that gets STAB only when used by an evolution of Aron
  • Click on the generation numbers at the top to see Egg moves from other generations

By tutoring

Generation VI
Other generations:
III - IV - V
 Game   Move   Type   Cat.   Pwr.   Acc.   PP 
This Pokémon learns no moves by tutoring.
  • A black or white abbreviation in a colored box indicates that Aron can be tutored the move in that game
  • A colored abbreviation in a white box indicates that Aron cannot be tutored the move in that game
  • Bold indicates a move that gets STAB when used by Aron
  • Italic indicates a move that gets STAB only when used by an evolution of Aron
  • Click on the generation numbers at the top to see Move Tutor moves from other generations

Side game data

Pokémon Pinball
 N/A 
Not available
Pokémon Pinball RS
 PinRS304.png PinRS304.gif 
Acquisition: Hatch
Pokémon Trozei!
 Trozeiani304.gif 
Rarity: Common
Pokémon Mystery Dungeon
Red Rescue Team and Blue Rescue Team
MDP304.png Body size: 1
Recruit rate: 7.8%
Friend Area: Mt. Cleft
Phrases
51%-100% HP I grow big on a diet of iron!
26%-50% HP Only half my health is left...
1%-25% HP I'm not up to it... I don't have any energy left...
Level up I leveled up! I wish I had more iron to eat!
Partner phrases
51%-100% HP <name>, my HP is between 51% and 100%.
26%-50% HP <name>, my HP is between 26% and 50%.
1%-25% HP <name>, my HP is between 1% and 25%.
Level up I leveled up! I wish I had more iron to eat!
Pokémon Mystery Dungeon
Explorers of Time, Explorers of Darkness
,
and Explorers of Sky
MDP304.png Body size: 1
Recruit rate: 6.4%
IQ group: E
Pokémon Ranger
Group:  Normal  Poké Assist: None Field move: None
Loops: 0 Min. exp.: 0 Max. exp.: 0
Browser entry  
This Pokémon does not have a browser entry.
Pokémon Ranger: Shadows of Almia
Group:  Steel  Poké Assist: Steel PA.png
( Steel )
Field move: Tackle 1 field move.png
(Tackle ×1)
Browser entry  
It rams with its iron head to attack.
Pokémon Ranger: Guardian Signs
Group: Poké Assist: Field move:
 Steel  Steel Assist.png
( Steel )
Past
Electric Assist.png
( Normal )
Tackle 1 field move.png
(Tackle ×1)
Past
Electrify 1 field move.png
(Electrify ×1)
Browser entry  
It launches an iron ball to attack.
N/A Not
Available
Defense
Speed
N/A Not
Available
Defense
Speed
Attack ●●
Defense ●●●
Speed ●●●
Attack Not
Available
Defense
Speed
Attack Not
Available
Defense
Speed
Attack Not
Available
Defense
Speed
PokéPark Wii: Pikachu's Adventure
PPW304.png PokéPark Pad entry:
Aron often plays in the Cavern Zone. He adores iron. He'll happily eat anything made out of iron!
PokéPark 2: Wonders Beyond
None.png Strong: {{{Park2strong}}} Weak: {{{Park2weak}}}
PokéPark Pad entry:
This Pokémon has no PokéPark Pad entry.
PCP304.png HP: ★★ Move: Metal Claw
Attack: ★★ Ability 1: Sturdy
Defense: ★★★ Ability 2: Bodyguard
Speed: Ability 3: Run Up
Evolves into Lairon when its Defense is 83 or higher
Range: 3 Perfect Links: Katsu, Tadatsugu, and Toku

Evolution

304Aron.png
Unevolved
Aron
 Steel  Rock 
Rare Candy
Level 32
305Lairon.png
First evolution
Lairon
 Steel  Rock 
Rare Candy
Level 42
306Aggron.png
Second evolution
Aggron
 Steel  Rock 

Sprites

This Pokémon was unavailable prior to Generation III.
Generation III
Ruby Sapphire Emerald FireRed LeafGreen
Spr 3r 304.png Spr b 3r 304.png Spr 3e 304.gif Spr b 3r 304.png Spr 3r 304.png Spr b 3r 304.png
Spr 3r 304 s.png Spr b 3r 304 s.png Spr 3e 304 s.gif Spr b 3r 304 s.png Spr 3r 304 s.png Spr b 3r 304 s.png
Front Back Front Back Front Back
Generation IV
Diamond Pearl Platinum HeartGold SoulSilver
Spr 4d 304.png Spr b 4d 304.png Spr 4d 304.png Spr b 4d 304.png Spr 4d 304.png Spr b 4d 304.png
Spr 4d 304 s.png Spr b 4d 304 s.png Spr 4d 304 s.png Spr b 4d 304 s.png Spr 4d 304 s.png Spr b 4d 304 s.png
Front Back Front Back Front Back
Generation V
Black White Black 2 White 2
Spr 5b 304.png Spr b 5b 304.png Spr 5b 304.png Spr b 5b 304.png
Spr 5b 304 s.png Spr b 5b 304 s.png Spr 5b 304 s.png Spr b 5b 304 s.png
Front Back Front Back
304MS.png For other sprites and images, please see Aron images on the Bulbagarden Archives.

Trivia

  • Aron's name is an anagram of Oran. It is the only Pokémon whose name is an anagram of a Berry.

Origin

Aron may be based on the Pulgasari, a monster that eats iron in Korean legend.

Name origin

Aron may be a combination of armor and iron. It may also involve armadillo.

Cokodora is a combination of 子 ko (child) and Kodora (Lairon's Japanese name). Kodora may be a combination of 巨 ko (large) and dragon.

In other languages

Language Title Meaning
Japan Flag.png Japanese ココドラ Cokodora From ko and dragon. Can also be taken as "Little Kodora"
France Flag.png French Galekid From gallet and kid
Spain Flag.png Spanish Aron Same as English name
Germany Flag.png German Stollunior From Stahl, Stollen, and Junior
Italy Flag.png Italian Aron Same as English name
South Korea Flag.png Korean 가보리 Gabori Contains 갑(甲) gap


External links

Mawile #303: Mawile
Pokémon
#305: Lairon Lairon


Project Pokédex logo.png This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon as a species.