#0305

Lairon

Iron Armor Pokémon

During territorial disputes, Lairon fight by slamming into each other. Close inspection of their steel armor reveals scratches and dents.

In Pokémon GO · 2056 max CP 1 TCG Pocket card

Details

Height0.9 m

Weight120.0 kg

Gender50.0% ♂ · 50.0% ♀

Catch rate90(20.1%)Moderate

Base friendship35Low

Hatch time35 cycles · ~9,180 steps

Growth rateslow

Base EXP151

Abilities

Sturdy

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

Rock Head

Protects against recoil damage.

Heavy MetalHidden

Doubles the Pokémon's weight.

Egg groups: Monster

Contents

Stats
Movesets
Locations
Evolution
Best moves
Moves
Sprites

Base stats

Attack

Defense

140

Sp. Atk

Sp. Def

Speed

Total

430

Base Stat Total

Type defenses

Damage taken from each attacking type.

Weak to

Fighting4×

Ground4×

Water2×

Resistant to

Normal¼×

Flying¼×

Rock½×

Bug½×

Psychic½×

Ice½×

Dragon½×

Fairy½×

Immune to

Poison0×

Competitive movesets

Smogon University

Battle-ready sets by tier, straight from Smogon. Pick a generation and format — a “/” means either option works in that slot.

Generation

Choice Band

NFE

Moves

Item

Choice Band

AbilityRock Head

NatureAdamant+Atk/−SpA

EV spread

Atk▲252

SpD4

Spe252

Source: Smogon (via pkmn) · Data snapshot: Jul 31, 2026 · 18,880 rows

Where to find Lairon

Wild encounter locations across the games. Availability may also include trades, evolution, gifts, and events not listed here.

Ruby

Sapphire

Emerald

HeartGold

SoulSilver

Black 2

Clay Tunnel Glacier Room Iron Room Rocky Mountain Room Underground Ruins

White 2

Clay Tunnel Glacier Room Iron Room Rocky Mountain Room Underground Ruins

Route 18 Terminus Cave

Evolution

#0304Aron

Lv. 32

#0305Lairon

Lv. 42

#0306Aggron

All Pokémon evolution families

Notable moves

The strongest damaging moves Lairon can learn — same-type (STAB) moves get a 1.5× power bonus in battle.

Moves

Lv.	Move & effect	Type	Class	Power	Acc.	PP
1	Harden Raises the user’s Defense by one stage.	Normal	Status	—	—	30
1	Metal Claw Has a chance to raise the user’s Attack by one stage.	Steel	Physical	50	95	35
1	Mud-Slap Has a chance to lower the target’s accuracy by one stage.	Ground	Special	20	100	10
1	Rock Tomb Has a chance to lower the target’s Speed by one stage.	Rock	Physical	60	95	15
1	Tackle Inflicts regular damage with no additional effect.	Normal	Physical	40	100	35
12	Roar Immediately ends wild battles. Forces trainers to switch Pokémon.	Normal	Status	—	—	20
16	Headbutt Has a chance to make the target flinch.	Normal	Physical	70	100	15
20	Protect Prevents any moves from hitting the user this turn.	Normal	Status	—	—	10
24	Rock Slide Has a chance to make the target flinch.	Rock	Physical	75	90	10
28	Iron Head Has a chance to make the target flinch.	Steel	Physical	80	100	15
35	Metal Sound Lowers the target’s Special Defense by two stages.	Steel	Status	—	85	40
40	Take Down User receives 1/4 the damage it inflicts in recoil.	Normal	Physical	90	85	20
46	Autotomize Raises the user’s Speed by two stages and halves the user’s weight.	Steel	Status	—	—	15
52	Iron Tail Has a chance to lower the target’s Defense by one stage.	Steel	Physical	100	75	15
58	Iron Defense Raises the user’s Defense by two stages.	Steel	Status	—	—	15
64	Heavy Slam Power is higher when the user weighs more than the target, up to a maximum of 120.	Steel	Physical	—	100	10
70	Double-Edge User receives 1/3 the damage inflicted in recoil.	Normal	Physical	120	100	15
76	Metal Burst Strikes back at the last Pokémon to hit the user this turn with 1.5× the damage.	Steel	Physical	—	100	10