Biology
Lairon is a stocky, armored Pokémon with four short legs. Its body is dark gray, and its eyes are sky blue. Its back is covered with segments of iron armor, each with a high ridge and round dark holes on the sides. The sides of its lower jaw have several flat protrusions, and two teeth are visible in its mouth. There are two-pronged metal bands on its legs. The upper band is gray and the lower is silver.
Lairon smashes its steely body against others when battling over territory, and shows off its strength with the size of sparks it creates by ramming into rocks. Close inspection of Lairon has revealed scratches and dents left on the armor from its conflicts. It drinks nutritious mineral spring water and feeds on iron contained in rocks. However it has gotten into conflict with humans over these territories in the past. It builds its nest on mountains where iron ore is buried, which results in it clashing with humans that are iron mining or other Lairon. As mentioned in Pokémon Sleep, Lairon sometimes falls asleep while eating iron ore. The reason is due to Lairon having strong desire to win in future territorial disputes.
Evolution
Lairon evolves from Aron and evolves into Aggron.
(For specifics on this Pokémon's Evolution in the games, refer to Game data→Evolution data.)
Game data
NPC appearances
Pokédex entries
This Pokémon was unavailable prior to Generation III.
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Generation III
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Hoenn #071
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Kanto #—
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Ruby
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Lairon tempers its steel body by drinking highly nutritious mineral springwater until it is bloated. This Pokémon makes its nest close to springs of delicious water.
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Sapphire
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Lairon feeds on iron contained in rocks and water. It makes its nest on mountains where iron ore is buried. As a result, the Pokémon often clashes with humans mining the iron ore.
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Emerald
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When two Lairon meet in the wild, they fight for territory by bashing into each other with their steel bodies. The sound of their collision carries for miles.
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FireRed
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It habitually shows off its strength with the size of sparks it creates by ramming its steel body into boulders.
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LeafGreen
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Generation IV
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Sinnoh #—
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Johto #—
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Diamond
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For food, it digs up iron ore. It smashes its steely body against others to fight over territory.
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Pearl
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Platinum
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HeartGold
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It loves iron ore. Groups of them fight for territory by bashing one another with their steel bodies.
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SoulSilver
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Generation V
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Unova B2 W2 : #167
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Black
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For food, it digs up iron ore. It smashes its steely body against others to fight over territory.
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White
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Black 2
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Lairon fight over territory, and when their steel bodies collide, sparks fly.
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White 2
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Generation VI
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Kalos Mountain #100
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Hoenn #073
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X
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It loves iron ore. Groups of them fight for territory by bashing one another with their steel bodies.
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Y
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It habitually shows off its strength with the size of sparks it creates by ramming its steel body into boulders.
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Omega Ruby
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Lairon tempers its steel body by drinking highly nutritious mineral springwater until it is bloated. This Pokémon makes its nest close to springs of delicious water.
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Alpha Sapphire
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Lairon feeds on iron contained in rocks and water. It makes its nest on mountains where iron ore is buried. As a result, the Pokémon often clashes with humans mining the iron ore.
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Generation VIII
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Galar Crown Tundra #192
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Sinnoh #—
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Hisui #—
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This Pokémon has no Pokédex entries in Legends: Arceus.
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Sword
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Lairon live in mountains brimming with spring water and iron ore, so these Pokémon often came into conflict with humans in the past.
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Shield
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During territorial disputes, Lairon fight by slamming into each other. Close inspection of their steel armor reveals scratches and dents.
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Brilliant Diamond
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For food, it digs up iron ore. It smashes its steely body against others to fight over territory.
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Shining Pearl
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Game locations
This Pokémon was unavailable prior to Generation III.
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In side games
This Pokémon was unavailable prior to Generation III.
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Held items
Stats
Base stats
Stat
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Range
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At Lv. 50
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At Lv. 100
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60
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120 - 167
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230 - 324
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90
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85 - 156
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166 - 306
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140
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130 - 211
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256 - 416
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50
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49 - 112
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94 - 218
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50
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49 - 112
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94 - 218
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40
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40 - 101
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76 - 196
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Total: 430
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Other Pokémon with this total
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- Minimum stats are calculated with 0 EVs, IVs of 0, and (if applicable) a hindering nature.
- Maximum stats are calculated with 252 EVs, IVs of 31, and (if applicable) a helpful nature.
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Pokéathlon stats
Type effectiveness
Under normal battle conditions in Generation IX, this Pokémon is:
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Learnset
Lairon is available in Sword and Shield Version 1.3.0+ and Brilliant Diamond and Shining Pearl.
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- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see level-up moves from other generations
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SwSh
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- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see TM moves from other generations
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BDSP
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- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see TM moves from other generations
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SwSh
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- Moves marked with an asterisk (*) must be chain bred onto Lairon in Generation VIII
- 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 Lairon in that game.
- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see Egg moves from other generations
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BDSP
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- Moves marked with an asterisk (*) must be chain bred onto Lairon in Generation VIII
- 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 Lairon in that game.
- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see Egg moves from other generations
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- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see Move Tutor moves from other generations
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- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- Click on the generation numbers at the top to see moves from other generations
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By transfer from another generation
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- Transferred Pokémon only retain these moves in Pokémon Sword and Shield
- A striped background indicates a generation in which the move can only be obtained via event or as a special move
- Bold indicates a move that gets STAB when used by Lairon
- Italic indicates a move that gets STAB only when used by an Evolution of Lairon
- × indicates a move that cannot be used in Sword and Shield
- Click on the generation numbers at the top to see transfer-only moves for other generations
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TCG-only moves
Side game data
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Pokémon Rumble Rush
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Walking Speed: 1.25 seconds
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Base HP: 51
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Base Attack: 76
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Base Defense: 58
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Base Speed: 60
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Evolution data
Sprites
This Pokémon was unavailable prior to Generation III.
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This Pokémon is unavailable in Generation IX.
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In animation
Major appearances
Lairon debuted in A Fan with a Plan, under the ownership of a Coordinator named Savannah. It reappeared in the following episode, where it was used in the Battle Stage of the Rubello Contest. Lairon defeated May's Bulbasaur but lost to Drew's Masquerain.
In Steeling Peace of Mind!, a Lairon was affected by Team Galactic's meddling on Iron Island. More appeared in the follow-up episode.
In A Pyramiding Rage!, Paul's Lairon battled Brandon's Regice, but was defeated quickly. Lairon was revealed to have evolved in Aggron by Familiarity Breeds Strategy!.
Minor appearances
A Lairon appeared in PK13.
A Coordinator's Lairon appeared in Deceit and Assist.
In Numero Uno Articuno, Noland's Lairon was living at the Battle Factory.
In Lucario and the Mystery of Mew, multiple Lairon were part of the feuding armies that were eventually placated by Sir Aaron in the past.
In Giratina and the Sky Warrior, a Lairon and its evolutionary relatives helped Ash and his friends stop a broken glacier. During the ending credits, they were eating the ruins of the Megarig.
In Genesect and the Legend Awakened, multiple Lairon were living at Pokémon Hills.
In Tag Team Battle Inspiration!, Trevor took a picture of a Lairon.
In Meeting at Terminus Cave!, a Lairon was living inside Terminus Cave.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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AG077
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Lairon
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Ash's Pokédex
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Lairon, the Iron Armor Pokémon. Lairon is the evolved form of Aron. By drinking nutrient-rich spring water, it strengthens its steel body.
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Episode
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Pokémon
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Source
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Entry
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DP128
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Lairon
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Dawn's Pokédex
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Lairon, the Iron Armor Pokémon. It digs up iron ore for food, and smashes its steely body up against others in battles over territory.
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In the mangaIn the TCGIn the TFG
One Lairon figure has been released.
Trivia
Origin
Lairon may be based on the Bulgasari, a monster that eats iron in Korean legend. Its draconic appearance was most likely inspired by how it appears in the film adaptation of the legend.
Lairon also has a similar body shape to the Placerias, a mammal-like synapsid from the Triassic period. As its Pokémon category suggests, its appearance may also be inspired by plate armours.
Name origin
Lairon may be a combination of lairy (slang for aggressive) or lair and iron.
Kodora may be a combination of 坑道 kōdō (mining tunnel), 小 ko (small) and dragon.
In other languagesRelated articlesExternal links
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This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.
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