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Aron (Pokémon)

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#303: Mawile
Pokémon
#305: Lairon
Aron
ココドラ Kokodora

Artwork from R/S/E
Types Species
 Steel  Rock  Iron Armor Pokémon
Abilities Exp. at 100
Sturdy or Rock Head 1,250,000
Pokédex
National
#304
Johto
#—
Hoenn
#070
Sinnoh
#—
Browser
Fiore
R—
Almia
R-131
Height Weight
1'04" 132.3 lbs.
Pokédex color Footprint Body style Catch rate
Gray Image:F304.png Image:Body08.png 180
Gender ratio
50% male
50% female
Egg groups Egg cycles
Monster 36 (9180 steps*)
EV yield
HP
0
Atk
0
Def
1
Sp.Atk
0
Sp.Def
0
Speed
0
Exp.
96

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

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

Contents

Biology

Physiology

Aron has a body of steel and rock. Although most of Aron's coloration is a metallic shade, its underbelly is a darker black and its eyes are a pale blue. It has a large, steel-clad head, and the steel armor portions cover much of its body. The armor covers it four stubby legs and its back, which has a single spike on it. Throughout Aron's body are small openings in the armor, three on its head, one, the largest, being the opening for its eye, and one on its back below its spike. A new suit of armor is made when it evolves. The old, discarded armor is salvaged as metal for making iron products.

Gender differences

None.

Special abilities

With one all-out charge, this Pokémon can demolish even a heavy dump truck.

Behavior

Habitat

It usually lives deep within mountains.

Diet

Main article: Pokémon food

Aron eats metal, which sometimes leads it to eating bridges, rails, and other important items.

In the anime

A pack of Aron in the anime

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.

Aron, together with its evolutionary family Aggron and Lairon, appeared in Giratina and the Sky Warrior where it helped Ash's friends to stop the glacier.

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

Pokédex entries

Episode Pokémon Pokédex 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 series.

In the manga

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.*

In the TCG

Main article: Aron (TCG)

Game data

NPC appearances

Pokédex entries

Gen Game Pokédex entry
I This Pokémon was not available in Generation I.
II This Pokémon was not available in Generation II.
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 It eats iron to build its steel body. It is a pest that descends from mountains to eat bridges and train tracks.
IV Diamond It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Pearl It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
Platinum It usually lives deep in mountains. However, hunger may drive it to eat railroad tracks and cars.
HeartGold Currently unknown
SoulSilver Currently unknown

Game locations

Gen Game Rarity Area
I This Pokémon was not available in Generation I.
II This Pokémon was not available in Generation II.
III Ruby Sapphire Common Granite Cave, Victory Road
Emerald Common Granite Cave, Victory Road
FireRed LeafGreen None Trade
Colosseum None Trade
XD Uncommon Cave Poké Spot
IV Diamond Pearl Rare Fuego Ironworks (Poké Radar) (Diamond only)
Platinum Rare Fuego Ironworks (Poké Radar)
HeartGold SoulSilver None Trade
 Pal Park  Mountain

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

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.
  • Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature.


Pokéthlon stats

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

Type effectiveness

Weak to Resistant to Immune to Normal effectiveness

Learnset

Aron is capable of learning the following moves in Generation IV.

  • Moves in bold are damaging moves to which STAB applies.


By leveling up

Generation IV
Other generation learnsets: III
Level Move Type Cat. Pwr. Acc. PP Contest Appeal
Start Tackle Normal Physical 35 95% 35 Tough 3 ♥♥♥
4 Harden Normal Status —% 30 Tough 2 ♥♥
8 Mud-Slap Ground Special 20 100% 10 Cute 3 ♥♥♥
11 Headbutt Normal Physical 70 100% 15 Tough 3 ♥♥♥
15 Metal Claw Steel Physical 50 95% 35 Cool 2 ♥♥
18 Iron Defense Steel Status —% 15 Tough 2 ♥♥
22 Roar Normal Status 100% 20 Cool 2 ♥♥
25 Take Down Normal Physical 90 85% 20 Tough 3 ♥♥♥
29 Iron Head Steel Physical 80 100% 15 Tough 2 ♥♥
32 Protect Normal Status —% 10 Cute 0
36 Metal Sound Steel Status 85% 40 Smart 2 ♥♥
39 Iron Tail Steel Physical 100 75% 15 Cool 2 ♥♥
43 Double-Edge Normal Physical 120 100% 15 Tough 0
46 Metal Burst Steel Physical 100% 10 Beauty 2 ♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon

By TM/HM

Generation IV
Other generation learnsets: III
TM Move Type Cat. Pwr. Acc. PP Contest Appeal
TM03 Water Pulse Water Special 60 100% 20 Beauty 2 ♥♥
TM05 Roar Normal Status 100% 20 Cool 2 ♥♥
TM06 Toxic Poison Status 85% 10 Smart 2 ♥♥
TM10 Hidden Power Normal Special 100% 15 Smart 1
TM11 Sunny Day Fire Status —% 5 Beauty 2 ♥♥
TM17 Protect Normal Status —% 10 Cute 0
TM18 Rain Dance Water Status —% 5 Tough 2 ♥♥
TM21 Frustration Normal Physical 100% 20 Cute 2 ♥♥
TM23 Iron Tail Steel Physical 100 75% 15 Cool 2 ♥♥
TM26 Earthquake Ground Physical 100 100% 10 Tough 2 ♥♥
TM27 Return Normal Physical 100% 20 Cute 2 ♥♥
TM28 Dig Ground Physical 80 100% 10 Smart 1
TM32 Double Team Normal Status —% 15 Cool 2 ♥♥
TM34 Shock Wave Electric Special 60 —% 20 Cool 2 ♥♥
TM37 Sandstorm Rock Status —% 10 Tough 2 ♥♥
TM39 Rock Tomb Rock Physical 50 80% 10 Smart 2 ♥♥
TM40 Aerial Ace Flying Physical 60 —% 20 Cool 2 ♥♥
TM42 Facade Normal Physical 70 100% 20 Cute 2 ♥♥
TM43 Secret Power Normal Physical 70 100% 20 Smart 2 ♥♥
TM44 Rest Psychic Status —% 10 Cute 0
TM45 Attract Normal Status 100% 15 Cute 2 ♥♥
TM58 Endure Normal Status —% 10 Tough 2 ♥♥
TM65 Shadow Claw Ghost Physical 70 100% 15 Cute 2 ♥♥
TM69 Rock Polish Rock Status —% 20 Tough 2 ♥♥
TM76 Stealth Rock Rock Status —% 20 Cool 2 ♥♥
TM78 Captivate Normal Status 100% 20 Beauty 2 ♥♥
TM80 Rock Slide Rock Physical 75 90% 10 Tough 3 ♥♥♥
TM82 Sleep Talk Normal Status —% 10 Cute 3 ♥♥♥
TM83 Natural Gift Normal Physical 100% 15 Cool 2 ♥♥
TM87 Swagger Normal Status 90% 15 Cute 2 ♥♥
TM90 Substitute Normal Status —% 10 Smart 1
HM01 Cut Normal Physical 50 95% 30 Cool 3 ♥♥♥
HM04 Strength Normal Physical 80 100% 15 Tough 3 ♥♥♥
HM06 Rock Smash Fighting Physical 40 100% 15 Tough 2 ♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon

By breeding

Generation IV
Other generation learnsets: III
Father Move Type Cat. Pwr. Acc. PP Contest Appeal
Lapras
Snorlax
Chikorita, Bayleef, Meganium
Tropius
Body Slam Normal Physical 85 100% 15 Tough 3 ♥♥♥
Slowpoke, Slowbro, Slowking
Turtwig, Grotle, Torterra
Curse ??? Status —% 10 Tough 0
Gible, Gabite, Garchomp Dragon Rush Dragon Physical 100 75% 10 Cool 2 ♥♥
Cubone, Marowak
Mudkip, Marshtomp, Swampert
Rampardos
Endeavor Normal Physical 100% 5 Tough 2 ♥♥
Cranidos, Rampardos Head SmashHGSS Rock Physical 150 80% 5 Tough 2 ♥♥
Aron, Lairon, Aggron
Shieldon, Bastiodon
Iron Head Steel Physical 80 100% 15 Tough 2 ♥♥
Lickitung, Lickilicky
Totodile, Croconaw, Feraligatr
Larvitar, Pupitar, Tyranitar
Treecko, Grovyle, Sceptile
Whismur, Loudred, Exploud
Cranidos, Rampardos
Screech Normal Status 85% 40 Smart 1
Lickitung, Lickilicky
Whismur, Loudred, Exploud
SmellingSalt* Normal Physical 60 100% 10 Smart 0
Lickitung, Lickilicky
Rhyhorn, Rhydon, Rhyperior
Whismur, Loudred, Exploud
Tropius
Stomp Normal Physical 65 100% 20 Tough 3 ♥♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB from an evolution of this Pokémon
*Indicates a move only available by chain breeding

By tutoring

Generation IV
Other generation learnsets: III
Game Move Type Cat. Pwr. Acc. PP Contest Appeal
D P Pt HG SS AncientPower Rock Special 60 100% 5 Tough 2 ♥♥
D P Pt HG SS Earth Power Ground Special 90 100% 10 Smart 2 ♥♥
D P Pt HG SS Endeavor Normal Physical 100% 5 Tough 2 ♥♥
D P Pt HG SS Fury Cutter Bug Physical 10 95% 20 Cool 2 ♥♥
D P Pt HG SS Headbutt Normal Physical 70 100% 15 Tough 3 ♥♥♥
D P Pt HG SS Iron Defense Steel Status —% 15 Tough 2 ♥♥
D P Pt HG SS Iron Head Steel Physical 80 100% 15 Tough 2 ♥♥
D P Pt HG SS Magnet Rise Electric Status —% 10 Cute 2 ♥♥
D P Pt HG SS Mud-Slap Ground Special 20 100% 10 Cute 3 ♥♥♥
D P Pt HG SS Rollout Rock Physical 30 90% 20 Tough 2 ♥♥
D P Pt HG SS Snore Normal Special 40 100% 15 Cute 3 ♥♥♥
D P Pt HG SS Spite Ghost Status 100% 10 Tough 2 ♥♥
D P Pt HG SS Superpower Fighting Physical 120 100% 5 Tough 2 ♥♥
D P Pt HG SS Uproar Normal Special 50 100% 10 Cute 2 ♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon
A colored initial indicates that the move is not available to be tutored in this game,
while a colored background indicates that the move is available.

Special moves

Side game data

Pokémon Pinball: Ruby & Sapphire
Image:PinRS304.png Acquisition: Hatch Image:PinRS304.gif
Pokémon Trozei!
Image:Trozeiani304.gif Rarity: Common Image:Trozeiani304.gif
Pokémon Mystery Dungeon
Red Rescue Team and Blue Rescue Team
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!
Pokémon Mystery Dungeon
Explorers of Time and Explorers of Darkness
Image:MDP304.png Body size: 1 Recruit Rate: 6.4% IQ Group: E



Pokémon Ranger: Shadows of Almia
Group:  Steel  Poké Assist: Image:Steelpa.PNG ( Steel ) Field Move: Image:Tackle 1fieldmove.PNG (Tackle ×1)
"It rams with its iron head to attack."

Evolution

File:304.png
Unevolved
Aron
 Steel  Rock 
Rare Candy
Level 32


File:305.png
First evolution
Lairon
 Steel  Rock 
Rare Candy
Level 42


File:306.png
Second evolution
Aggron
 Steel  Rock 


Sprites

Gen Game
I Red Blue Yellow Red (Ja) Green Back
This Pokémon did not appear during Generation I.
II Gold Silver Crystal   Back
This Pokémon did not appear during Generation II.
III Ruby Sapphire Emerald FireRed LeafGreen Back
Image:Spr_3r_304.png Image:Spr_3e_304.gif Image:Spr_3f_304.png Image:Spr_b_g3_304.png
Image:Spr_3r_304_s.png Image:Spr_3e_304_s.gif Image:Spr_3f_304_s.png Image:Spr_b_g3_304_s.png
IV Diamond Pearl Platinum HeartGold SoulSilver Back
Image:Spr_4d_304.png Image:Spr_4p_304.png Image:Spr_4h_304.png Image:Spr_b_g4_304.png
Image:Spr_4d_304_s.png Image:Spr_4p_304_s.png Image:Spr_4h_304_s.png Image:Spr_b_g4_304_s.png
Aron For other sprites and images, please see Aron images on Bulbagarden Archives.

Trivia

  • Aron's name is an anagram of Oran; it is the only Pokémon whose name is an anagram of a Berry.
  • Aron does not learn any Rock-type moves by leveling up, though it is part Rock. Its whole evolutionary family shares this trait.
  • Aron can learn the signature moves of both Cranidos and Shieldon's evolutionary families: Head Smash and Metal Burst, the former by breeding in HeartGold and SoulSilver Versions, and the latter by leveling up.
    • In addition, Aron bears an extraordinary physical resemblance to Shieldon.

Origin

Aron may have been based on an armadillo.

Name origin

Aron's name may be a combination of armadillo and iron. Armor may also be a part of its name. Aron's Japanese name can be broken down into 子 ko, child, and Kodora. Kodora is the Japanese name of Aron's evolution, Lairon, hence child Kodora.

In other languages

  • German: Stollunior
  • French: Galekid - From gallet (pebble) and the English word kid.
  • Korean: 가보리 Gabori

External links

#303: Mawile
Pokémon
#305: Lairon
This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon as a species.
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