Lairon is the mid-stage to A-Tier Aggron in Platinum. Sturdy survives one hit, and the evolution at level 42 brings massive Attack and Defense to Steel/Rock.
Ability 1SturdyAbility 1Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.Ability 2Rock HeadAbility 2Protects against recoil damage.
430HP60Attack90Defense140Speed40Sp.Def50Sp.Atk50
Aron
Lairon
Aggron
Weak to
Physical
Trick Room
40Speed · Very Slow

Is Lairon Good in Platinum Playthrough?

Aron evolves at level 32. Steel/Rock with AbilitySturdy blocking OHKO. Aggron at 42 is close. Strong physical bulk but crippling weakness to Ground and Fighting.

StrongGoodEvenToughBadSEETTEGEGEEESGGERoarkGym 1GardeniaGym 2FantinaGym 3MayleneGym 4Crasher WakeGym 5AronCatchableLaironEvolveByronGym 6AggronEvolveCandiceGym 7VolknerGym 8AaronE4BerthaE4FlintE4LucianE4JupiterBossMarsBossSaturnBossCynthiaChamp*
Roark
Gym 1
Strong

Aron resists most of Roark's coverage and hits back hard.

Easy KO
Geodude
Lv 12
RockGround
Rock Head
Stealth RockRock Throw
You Win
Onix
Lv 12
RockGround
Rock Head
Stealth RockRock ThrowScreech
Easy KO
Cranidos
Lv 14
Rock
Mold Breaker
HeadbuttPursuitLeer
Gardenia
Gym 2
Even

Aron trades roughly evenly with Gardenia's team.

You Win
Turtwig
Lv 20
Grass
Overgrow
Grass KnotRazor LeafSunny DayReflect
Even
Cherrim
Lv 20
Grass
Flower Gift
Grass KnotLeech SeedMagical LeafSafeguard
Even
Roserade
Lv 22
GrassPoison
Natural Cure
Grass KnotMagical LeafPoison StingStun Spore
Fantina
Gym 3
Even

Aron trades roughly evenly with Fantina's team.

You Win
Duskull
Lv 24
Ghost
LevitateImmune to Ground attacks
Will O WispPursuitShadow SneakFuture Sight
Even
Haunter
Lv 24
GhostPoison
LevitateImmune to Ground attacks
Shadow ClawSucker PunchHypnosisConfuse Ray
Even
Mismagius
Lv 26
Ghost
LevitateImmune to Ground attacks
Shadow BallPsybeamMagical LeafConfuse Ray
Maylene
Gym 4
Tough

Maylene's team hits Aron's weaknesses hard.

Even
Meditite
Lv 28
FightingPsychic
Pure Power
Drain PunchConfusionRock TombFake Out
Risky
Machoke
Lv 29
Fighting
Guts
Karate ChopRock TombStrengthFocus Energy
Avoid
Lucario
Lv 32
FightingSteel
Steadfast
Drain PunchForce PalmMetal ClawBone Rush
Crasher Wake
Gym 5
Tough

Crasher Wake's team hits Aron's weaknesses hard.

Even
Gyarados
Lv 33
WaterFlying
Intimidate
WaterfallBrineBiteTwister
Avoid
Quagsire
Lv 34
WaterGround
Damp
Mud ShotRock TombWater PulseYawn
Risky
Floatzel
Lv 37
Water
Swift Swim
BrineIce FangCrunchAqua Jet
Byron
Gym 6
Even

Lairon trades roughly evenly with Byron's team.

Even
Magneton
Lv 37
ElectricSteel
Magnet Pull
Flash CannonThunderboltTri AttackMetal Sound
Risky
Steelix
Lv 38
SteelGround
Rock Head
Flash CannonIce FangEarthquakeSandstorm
You Win
Bastiodon
Lv 41
RockSteel
Sturdy
Metal BurstStone EdgeIron DefenseTaunt
Candice
Gym 7
Good

Aggron has the type edge here and should clean up Candice's team.

Easy KO
Sneasel
Lv 40
DarkIce
Inner Focus
SlashAerial AceFeint AttackIce Shard
You Win
Piloswine
Lv 40
IceGround
Oblivious
AvalancheStone EdgeEarthquakeHail
You Win
Abomasnow
Lv 42
GrassIce
Snow Warning
AvalancheWood HammerWater PulseFocus Blast
You Win
Froslass
Lv 44
IceGhost
Snow Cloak
BlizzardDouble TeamShadow BallPsychic
Volkner
Gym 8
Even

Aggron trades roughly evenly with Volkner's team.

You Win
Jolteon
Lv 46
Electric
Volt AbsorbImmune to Electric attacks
Thunder WaveCharge BeamIron TailQuick Attack
Even
Raichu
Lv 46
Electric
Static
Charge BeamFocus BlastSignal BeamQuick Attack
You Win
Luxray
Lv 48
Electric
Rivalry
Ice FangThunder FangCrunchFire Fang
Even
Electivire
Lv 50
Electric
Motor DriveImmune to Electric attacks
Thunder PunchFire PunchQuick AttackGiga Impact
Aaron
Elite Four
Good

Aggron has the type edge here and should clean up Aaron's team.

Easy KO
Yanmega
Lv 49
BugFlying
Speed Boost
Air SlashBug BuzzU TurnDouble Team
You Win
Scizor
Lv 49
BugSteel
Swarm
Iron HeadX ScissorNight SlashQuick Attack
Easy KO
Vespiquen
Lv 50
BugFlying
Pressure
Attack OrderDefend OrderHeal OrderPower Gem
You Win
Heracross
Lv 51
BugFighting
Swarm
MegahornClose CombatNight SlashStone Edge
You Win
Drapion
Lv 53
PoisonDark
Battle Armor
X ScissorCross PoisonIce FangAerial Ace
Bertha
Elite Four
Even

Aggron trades roughly evenly with Bertha's team.

Even
Whiscash
Lv 50
WaterGround
Oblivious
Earth PowerAqua TailZen HeadbuttSandstorm
You Win
Gliscor
Lv 53
GroundFlying
Hyper Cutter
EarthquakeIce FangFire FangThunder Fang
Even
Hippowdon
Lv 52
Ground
Sand Stream
EarthquakeStone EdgeCrunchYawn
You Win
Golem
Lv 52
RockGround
Rock Head
EarthquakeFire PunchThunder PunchSandstorm
You Win
Rhyperior
Lv 55
GroundRock
Lightning Rod
EarthquakeRock WreckerMegahornAvalanche
Flint
Elite Four
Even

Aggron trades roughly evenly with Flint's team.

You Win
Houndoom
Lv 52
DarkFire
Early Bird
FlamethrowerSludge BombDark PulseSunny Day
Even
Flareon
Lv 55
Fire
Flash FireImmune to Fire attacks
OverheatGiga ImpactQuick AttackWill O Wisp
You Win
Rapidash
Lv 53
Fire
Run Away
Flare BlitzSolar BeamBounceSunny Day
Even
Infernape
Lv 55
FireFighting
Blaze
Flare BlitzThunder PunchMach PunchEarthquake
Even
Magmortar
Lv 57
Fire
Flame Body
FlamethrowerThunderboltSolar BeamHyper Beam
Lucian
Elite Four
Even

Aggron trades roughly evenly with Lucian's team.

You Win
Mr Mime
Lv 53
Psychic
Soundproof
PsychicThunderboltReflectLight Screen
You Win
Espeon
Lv 55
Psychic
Synchronize
PsychicShadow BallQuick AttackSignal Beam
Even
Bronzong
Lv 54
SteelPsychic
LevitateImmune to Ground attacks
PsychicGyro BallEarthquakeCalm Mind
Even
Alakazam
Lv 56
Psychic
Synchronize
PsychicEnergy BallFocus BlastRecover
Even
Gallade
Lv 59
PsychicFighting
Steadfast
Drain PunchPsycho CutLeaf BladeStone Edge
Jupiter
Commander
Strong

Aggron resists most of Jupiter's coverage and hits back hard.

Easy KO
Zubat
Lv 21
PoisonFlying
Inner Focus
Giga DrainWing AttackBite
Easy KO
Skuntank
Lv 23
PoisonDark
Stench
Night SlashPoison GasScreechSmokescreen
Mars
Commander
Good

Aggron has the type edge here and should clean up Mars's team.

Easy KO
Golbat
Lv 38
PoisonFlying
Inner Focus
Air CutterBiteToxicSupersonic
You Win
Bronzor
Lv 38
SteelPsychic
LevitateImmune to Ground attacks
Gyro BallExtrasensoryIron DefenseConfuse Ray
You Win
Purugly
Lv 40
Normal
Thick Fat
SlashFeint AttackHypnosisFake Out
Saturn
Commander
Good

Aggron has the type edge here and should clean up Saturn's team.

Easy KO
Golbat
Lv 42
PoisonFlying
Inner Focus
Air CutterBitePoison FangConfuse Ray
You Win
Bronzor
Lv 42
SteelPsychic
LevitateImmune to Ground attacks
Gyro BallExtrasensoryShadow BallConfuse Ray
Even
Toxicroak
Lv 44
PoisonFighting
Anticipation
Poison JabBrick BreakX ScissorFeint Attack
Cynthia
Champion
Even

Aggron trades roughly evenly with Cynthia's team.

You Win
Spiritomb
Lv 58
GhostDark
Pressure
Dark PulsePsychicSilver WindShadow Ball
Even
Roserade
Lv 58
GrassPoison
Natural Cure
Energy BallSludge BombToxicExtrasensory
You Win
Togekiss
Lv 60
NormalFlying
Hustle
Air SlashAura SphereWater PulseShock Wave
Risky
Lucario
Lv 60
FightingSteel
Steadfast
Aura SphereExtreme SpeedShadow BallStone Edge
Risky
Milotic
Lv 58
Water
Marvel Scale
SurfIce BeamMirror CoatDragon Pulse
Even
Garchomp
Lv 62
DragonGround
Sand Veil
Dragon RushEarthquakeFlamethrowerGiga Impact

Catch Aron

Available after Badge 5
Type
SteelRock
Tier
E

Catch Aron in Fuego Ironworks (Poké Radar, Lv 30-31, common).

View Aron locations

Evolve Aron to Lairon

Level 32
Type
SteelRock
Tier
D

Aron evolves into Lairon at Level 32. Your Aron should hit Level 32 before you reach Byron, at typical leveling pace.

Recommended Moves

  • STARTING (Lv 32)
    • LV 32SteelIron HeadPower 120Accuracy 100%PP 15
  • After Gardenia
  • After Byron
    • TM69RockRock PolishPower —Accuracy 100%PP 20Mt. Coronet
  • After Candice
    • TM80RockRock SlidePower 113Accuracy 90%PP 10Mt. Coronet
    • LV 45SteelIron TailPower 150Accuracy 75%PP 15
  • After Volkner
    • LV 51NormalDouble-EdgePower 120Accuracy 100%PP 15
  • Post-Game
    • TUTORRockAncient PowerPower 90Accuracy 100%PP 5Survival Area
    • TUTORFightingSuperpowerPower 120Accuracy 100%PP 5Survival Area
    • TUTORGroundEarth PowerPower 90Accuracy 100%PP 10Survival Area
    • TM42NormalFacadePower 70Accuracy 100%PP 20Survival Area

Evolve Lairon to Aggron

Level 42
Type
SteelRock
Tier
A

Lairon evolves into Aggron at Level 42. Your Lairon should hit Level 42 before you reach Candice, at typical leveling pace.

Recommended Moves

  • STARTING (Lv 42)
    • LV 42SteelIron HeadPower 120Accuracy 100%PP 15
  • After Fantina
  • After Byron
    • LV 57NormalDouble-EdgePower 120Accuracy 100%PP 15
  • Post-Game
    • TUTORRockAncient PowerPower 90Accuracy 100%PP 5Survival Area
    • TUTORDragonOutragePower 120Accuracy 100%PP 15Survival Area
    • TUTORFightingSuperpowerPower 120Accuracy 100%PP 5Survival Area
    • TUTORWaterAqua TailPower 90Accuracy 90%PP 10Survival Area
    • TUTORGroundEarth PowerPower 90Accuracy 100%PP 10Survival Area
    • TM42NormalFacadePower 70Accuracy 100%PP 20Survival Area

How to Get Lairon in Platinum

Lairon never turns up wild in Sinnoh. Radar an Aron at Fuego Ironworks and raise it to 32, the middle step on the way to a much bulkier final form.

Wild Lairon may be holding when caught:

Hard Stone (5% chance) An item to be held by a Pokemon. It is an unbreakable stone that ups the power of Rock-type moves.

Catch Aron at any of these 1 spot to eventually evolve into Lairon.

  1. 1
    Catch Aron
  2. 2
    Evolve Laironat Lv.32
  3. 3
    Evolve Aggronat Lv.42
Badge 5

How to Obtain Lairon in Pt

  1. Lairon
    Step 2Lairon ✓
    BREEDING
    Available
    Leave Aggron with a compatible partner at the Pokemon Day Care to receive a Aron egg.
  2. Aggron
    Step 3Evolve into Aggron

How to Get Shiny Lairon in Platinum

Lairon comes by leveling, so chain an Aron at the Fuego Ironworks to 40 for a shiny and raise it up. Compare Shiny Lairon odds across every game

Normal vs Shiny
Normal Lairon in PlatinumNormal
Shiny Lairon in Platinum Shiny
Color ShiftGray
Shiny TierB Tier Shiny

Shiny Lairon Evolution

3 Forms
Showing shiny artworkView Full Evolution Chart

Platinum Shiny Lairon Calculator

2 Methods
Fastest Path

The best route is Masuda Method, about 1 in 1,639 on each try.

Step 1 · Encounter Method2 in Platinum

Masuda Method: Breed with a parent from a different-language game. Works on any breedable line.

Full Odds: Walk through grass, surf, or fish. Every encounter is its own independent shiny roll.

How many you have done, or plan to do.

120,000
Shiny Odds Per Try1 / 1,639Masuda Method
Chance By Now50.0%at 1,136 eggs hatchedAbout 5 in 10 hunters have one by now
What To Expect
ChanceEncountersTime
10%lucky few173----
25%one in four472----
50%coin flip1,136----
90%very likely3,773----
How is this calculated?

Every encounter has the same shiny chance, the Shiny Odds Per Try shown above. Each one is a separate roll that does not care how many you have already done, so the more you hunt, the higher your overall chance of at least one shiny. The formula below turns your odds and your number of tries into that combined chance.

chance after N tries = 1 − (1 − p)^N,  where  p = 1 / odds per try

Example at 1 in 8,192 (classic full odds): about 864 encounters for a 10 percent chance, 5,678 for 50 percent, and 18,862 for 90 percent.

The table above flips that around: it shows how many encounters it takes to reach a 10, 25, 50, and 90 percent chance at your current odds. Turning on boosts like the Shiny Charm, sandwiches, or chains improves your odds, so the encounter numbers drop.

These are estimates, not promises. Most games have no pity counter, meaning no guaranteed shiny no matter how many you hunt, so even Very Likely is not guaranteed: some hunters find one early, others go well past that point.

Where these shiny odds come from: Read our full methodology

Curious how fast a hunt could go? Work out your Platinum shiny odds for Lairon.

Lairon Weakness

Fighting, Ground, and Water moves hit Lairon for super-effective damage. Fighting and Ground hits land at 4x, so they're the biggest threat. The upside? Poison-type moves can't touch it at all. It resists 9 types, so it can switch into a lot of moves safely. Lairon's physical bulk (base 140 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.

Lairon Weakness and Resistance Chart
DamageTypes
4x (Critical)Fighting, Ground
2x (Weak)Water
0.5x (Resist)Ice, Psychic, Bug, Rock, Ghost, Dragon, Dark
0.25x (Resist)Normal, Flying
0x (Immune)Poison
Gen IV Type Chart
  • Fairy type does not exist — Dragon has fewer checks
  • Physical / Special split now per-move (introduced Gen IV)

What is Lairon Weak Against

Good
3Weak
9Resist
1Immune
Score+4

What is Lairon Strong Against

5Strong
1Resisted
0Immune
Score+4
½xResisted
0xImmune
None

Best Pokemon Against Lairon

Breloom
Breloom
GrassFighting
A
Heracross
Heracross
BugFighting
B
Gallade
Gallade
PsychicFighting
B
Hariyama
Hariyama
Fighting
B
Toxicroak
Toxicroak
PoisonFighting
C

Lairon Evolutions

Lairon sits between Aron and Aggron in this three-stage line. Not the final form yet. For breeding, slow to hatch with plenty of partners via one egg group. So far, Defense got the biggest boost (+40 from Aron). The final form adds another 100 stats on top. View every chain in the Evolution Chart.

How to Evolve

3 Forms
Aron
#304Aron
32
Level 32
Lairon
#305Lairon
42
Level 42
Aggron
#306Aggron
Stat Comparison 3 Stages
Aron
SteelRock
Lairon
SteelRock
Aggron
SteelRock
HP
50
60+10
70+10
ATK
70
90+20
110+20
DEF
100
140+40
180+40
SP.ATK
40
50+10
60+10
SP.DEF
40
50+10
60+10
SPE
30
40+10
50+10
BST
330E-Tier
430D-Tier+100
530A-Tier+100
ROLE
Balanced
Trick Room
Balanced
TYPE
Physical
Physical
Physical

Breeding

Moderate

Breed with Lairon to get Aron eggs using 63 partners from the Monster egg group. Notable egg moves include Body Slam, Curse, Dragon Rush and 5 more.

Egg Groups
Monster
Gender
♂50.0%♀50.0%
Hatch Time
35 cycles·8,995 steps
Slow~9 min with Flame Body
Egg Moves
8moves
Breed With (best first)
venusaurcharizardblastoisenidokingmeganiumferaligatrampharossceptileswampertslowbrorhydonslowking

Pt Lairon Best Moveset

140 Defense at the mid-stage, but the same crippling 4x weaknesses to Fighting and Ground undermine it. The moveset can't outrun or out-damage the types that threaten it. Evolve to Aggron.

Best Build

Experimental
Physical Sweeper
Ability
Rock Head
Item
Life OrbPOWER
Best Nature for Lairon

Lairon best EVs are Attack and Speed

EVs

Physical Sweeper Moveset

  • Head SmashSTAB
  • EarthquakeCoverage
  • Iron HeadSTAB
  • Rock PolishSTAB

Moves List

Don't skip the egg moves. Lairon picks up Body Slam and Curse only through breeding, and both fill gaps the natural movepool can't. STAB runs through Iron Tail and Stone Edge while coverage across 9 types adds range.

Level-Up Moves

Lv 1
Harden
D——30Normal
Lv 1
Headbutt
C7010015Normal
Lv 1
Mud-Slap
D2010010Ground
Lv 1
Tackle
D3510035Normal
Lv 4
Harden
D——30Normal
Lv 8
Mud-Slap
D2010010Ground
Lv 11
Headbutt
C7010015Normal
Lv 15
Metal Claw
—759535Steel
Lv 18
Iron Defense
C——15Steel
Lv 22
Roar-6
C——20Normal
Lv 25
Take Down
C908520Normal
Lv 29
Iron Head
B12010015Steel
Lv 34
Protect+4
C——10Normal
Lv 40
Metal Sound
——8540Steel
Lv 45
Iron Tail
C1507515Steel
Lv 51
Double-Edge
C12010015Normal
Lv 56
Metal Burst
D—10010Steel

TM Moves

33 of 35 TMs are obtainable before the Elite Four

TM
TM40
Aerial AceRoute 213badge 3
D60—20Flying
TM45
AttractAmity Squarebadge 2
——10015Normal
TM78
CaptivateRoute 204badge 2
——10020Normal
TM28
DigManiac Tunnelbadge 3
C8010010Ground
TM32
Double TeamWayward Cavebadge 2
———15Normal
TM26B10010010Ground
TM58
Endure+4Veilstone Game Cornerbadge 3
C——10Normal
TM42
FacadeSurvival Area
C7010020Normal
TM21
FrustrationVeilstone Game Cornerbadge 3
D—10020Normal
TM10
Hidden PowerVeilstone Game Cornerbadge 3
D6010015Normal
TM23
Iron TailIron Islandbadge 5
C1507515Steel
TM83
Natural GiftVeilstone Department Storebadge 3
D—10015Normal
TM17C——10Normal
TM44C——10Psychic
TM27D—10020Normal
TM05
Roar-6Route 213not until badge 7
C——20Normal
TM69
Rock PolishMt. Coronetbadge 6
B——20Rock
TM80
Rock SlideMt. Coronetnot until badge 7
C1129010Rock
HM06D4010015Fighting
TM39
Rock TombRavaged Pathbadge 1
C909510Rock
TM43
Secret PowerAmity Squarebadge 2
—7010020Normal
TM65
Shadow ClawPrize for defeating Fantinabadge 3
C7010015Ghost
TM34
Shock WaveRoute 215badge 3
D60—20Electric
TM82
Sleep TalkEterna Forestbadge 2
C——10Normal
TM76
Stealth RockPrize for defeating Roarkbadge 1
A——20Rock
TM71
Stone EdgeVictory Roadnot until badge 8
C150805Rock
HM04
StrengthIron Islandbadge 5
C8010015Normal
TM90
SubstituteVeilstone Game Cornerbadge 2
C——10Normal
TM87
SwaggerPokémon Mansionbadge 4
——9015Normal
TM06
ToxicRoute 212badge 4
C—8510Poison
TM03
Water PulseRavaged Pathbadge 5
D6010020Water

Egg Moves

Egg
Egg
Body Slam
C8510015Normal
Egg
Curse
C——10Ghost
Egg
Dragon Rush
—1007510Dragon
Egg
Endeavor
D—1005Normal
Egg
Iron Head
B12010015Steel
Egg
Screech
——8540Normal
Egg
Smelling Salts
—7010010Normal
Egg
Stomp
—6510020Normal

Tutor Moves

Tut
Tutor
Ancient Power
D901005Rock
Tutor
Earth Power
D9010010Ground
Tutor
Endeavor
D—1005Normal
Tutor
Fury Cutter
—109520Bug
Tutor
Iron Defense
C——15Steel
Tutor
Iron Head
B12010015Steel
Tutor
Magnet Rise
D——10Electric
Tutor
Mud-Slap
D2010010Ground
Tutor
Rollout
—459020Rock
Tutor
Snore
D4010015Normal
Tutor
Spite
——10010Ghost
Tutor
Superpower
A1201005Fighting
Tutor
Uproar
—9010010Normal

Base Stats

Base Stats
Above
HP60
C
Attack90
B
Defense140
A
Sp. Atk50
D
Sp. Def50
D
Speed40
D
Total430
Details
Catch Rate
Challenging90 / 255
Growth Rate
Slow1.25M XP
Height0.9 m
Weight120.0 kg
Base XP151
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.
EV Yield
HPAtkDef+2SpASpDSpe
Defense training target
Pokedex Entry

For food, it digs up iron ore. It smashes its steely body against others to fight over territory.

Pokemon Platinum

Lairon Platinum Guide

  • In Platinum, for a casual playthrough, Lairon works as a placeholder. Steel/Rock coverage is useful early. The real payoff is Aggron. That's where the stats start mattering.

  • In Platinum, use Lairon as a trick room. Physical side carries the damage. It's slow, so Trick Room or priority moves are key.

  • For Platinum, run Adamant on Lairon. +Attack is what matters, and the -Sp. Atk cut doesn't hurt this set. Fits the trick room role.

  • For Platinum, build your team around Luxray, Camerupt, and Carnivine. These have the highest co-usage rates with Lairon in competitive formats. They cover each other's weaknesses.

Game Availability

Debuting in Ruby & Sapphire, Lairon appears in 15 games across 7 generations. A reliable presence in most mainline games, typically found through catching or hatching as a base form.

Explore

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