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No. 0306

Aggron

Iron Armor Pokémon

Aggron official artwork
Official art

Aggron is a Steel/Rock-type Pokémon, 4× weak to Fighting and Ground and 2× weak to Water, with a base stat total of 530. In Pokémon Champions it’s #128 on the Doubles ladder and #100 in Singles, as of Oct 28, 2026.

Height
2.1 m 6′11″
Weight
360 kg 793.7 lbs
Base stat total
530 Higher than 82% of Pokémon
Introduced
Gen III Ruby & Sapphire
Champions#128 Doubles Up 3 places this week · #100 Singles Down 2 places this weekUsual set Aggronite · Careful · HP 32 / Def 2 / SpD 32Full set →
Long ago, there was a king who wore a helmet meant to resemble the head of an Aggron. He was trying to channel the Pokémon’s strength.
See all 10 entries

Base stats

HP70145–177250–344
Atk110117–178202–350
Def180180–255328–504
SpA6072–123112–240
SpD6072–123112–240
Spe5063–11294–218
Total530Higher than 82% of Pokémon
HP70Atk110Def180Spe50SpD60SpA60

Ranges in Pokémon Champions at Lv 50: 0 Stat Points with a −10% Stat Alignment to 32 Stat Points with a +10% one (HP has no alignment).Ranges in the main games at Lv 100: 0 IV/EV with a hindering nature to 31 IV/252 EV with a helpful nature. EV yield: 3 Def.

Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature
Calculate damage →

Type matchups

SteelRockshow which type causes itweaknessresistance

Weak to

4×
Fighting (because of Steel and Rock)Ground (because of Steel and Rock)
2×
Water (because of Rock)

Resists

½×
Bug (because of Steel)Dragon (because of Steel)Fairy (because of Steel)Ice (because of Steel)Psychic (because of Steel)Rock (because of Steel)
¼×
Flying (because of Steel and Rock)Normal (because of Steel and Rock)

Immune to

0×
Poison (because of Steel)
Takes normal damage from 6 types
GhostSteelFireGrassElectricDark

Speed tiers

The faster Pokémon moves first each turn, so knowing who you outspeed decides a lot of battles. These are its Speed values at Lv 50 in Pokémon Champions (base Speed 50); Choice Scarf and Tailwind use the Max+ value.

Max+112Max102No SP70Min63Scarf (Choice Scarf)168Tailwind224

At max Speed, Aggron outspeeds 11 of the 30 most used Pokémon in Champions VGC on Showdown.

Speed at Lv 50 in Pokémon Champions: Aggron against the 30 most used Pokémon in Champions VGC on Showdown, fastest first
SpeedPokémon
203Mega Garchomp ZModest · 32 SP · #21 on Showdown
200Mega GengarTimid · 32 SP · #26 on Showdown
190Mega Raichu YTimid · 23 SP · #13 on Showdown
189Mega SalamenceTimid · 32 SP · #4 on Showdown
184WhimsicottTimid · 32 SP · #23 on Showdown
178Mega MetagrossJolly · 32 SP · #28 on Showdown
178Mega StaraptorJolly · 32 SP · #29 on Showdown
172SneaslerAdamant · 32 SP · #2 on Showdown
169Mega FloetteTimid · 32 SP · #17 on Showdown
169GarchompJolly · 32 SP · #19 on Showdown
167Mega Charizard YTimid · 32 SP · #14 on Showdown
167Mega GardevoirTimid · 32 SP · #20 on Showdown
161IndeedeeTimid · 32 SP · #30 on Showdown
156Hisuian ArcanineJolly · 32 SP · #16 on Showdown
150ArchaludonTimid · 32 SP · #9 on Showdown
149GholdengoTimid · 32 SP · #8 on Showdown
143BasculegionJolly · 32 SP · #6 on Showdown
128PelipperTimid · 32 SP · #12 on Showdown
120VolcaronaBold · 0 SP · #25 on Showdown
112Aggron · Max+32 SP, Speed-raising alignment
105RillaboomAdamant · 0 SP · #1 on Showdown
102Aggron · Max32 SP, neutral alignment
101MiloticCalm · 0 SP · #15 on Showdown
95SylveonModest · 15 SP · #18 on Showdown
94Female IndeedeeRelaxed · 0 SP · #7 on Showdown
90PolitoedCalm · 0 SP · #22 on Showdown
90SinistchaBold · 0 SP · #24 on Showdown
85ArmarougeQuiet · 0 SP · #27 on Showdown
80IncineroarCareful · 0 SP · #3 on Showdown
80FarigirafBold · 0 SP · #11 on Showdown
70Aggron · No SP0 SP, neutral alignment
70KingambitAdamant · 0 SP · #5 on Showdown
60Mega GolisopodAdamant · 0 SP · #10 on Showdown

Smogon · Showdown Others at their most common Speed investment in Champions VGC (Reg M-C · Doubles, Sep 2026); Pokémon holding a Mega Stone are shown as their Mega.

Abilities

Competitive

Ranked ladder · in-game

Doubles

#128 of 262 used

▲ 3 places since Oct 21
Oct 21Oct 28

Aggronite (87.7%) · Sturdy (62.7%) · Careful (31.9%) · HP 32 / Def 2 / SpD 32 (25.4%)

MovesBody PressHeavy SlamProtectIron Defense

Singles

#100 of 262 used

▼ 2 places since Oct 21
Oct 21Oct 28

Aggronite (77.9%) · Sturdy (85.1%) · Impish (38.1%) · HP 32 / Def 2 / SpD 32 (23.3%)

MovesBody PressIron DefenseHeavy SlamMetal Burst

Daily usage rank on the Pokémon Champions ladder, updated Oct 28. Battle data provided by Pokémon Champions Battle Data.

Usage over time

Values
Aggron, Champions VGC on Showdown, Showdown: top players (1760 weighting)
MonthRegulationBattlesShare of teams
Apr 2026Reg M-A3,122,222<0.1%
May 2026Reg M-A3,355,619<0.1%
Jun 2026Reg M-B1,163,315<0.1%
Jul 2026Reg M-B1,764,686<0.1%
Aug 2026Reg M-B1,269,250<0.1%
Sep 2026Reg M-C1,631,943<0.1%

Smogon · Showdown On Showdown

Sep 2026

Mega Aggron: 0.2% of Champions VGC teams on Showdown →

0.3% of teams · rank #141 · Reg M-C · Singles · about 2 teams with it · 69,462 battles · Sep 2026Thin data: about 2 teams behind these numbers.Few players at this level: 625–764 teams’ worth of games in this format.

Most common build

Ability
Sturdy
Stat Alignment
Careful
Stat Points
11 Atk / 23 Def / 32 SpD
  1. Heavy Slam, Physical, accuracy 100%
  2. Body Press, Physical, power 80, accuracy 100%
  3. Rest, Status
  4. Iron Defense, Status

Each part is the most used on its own, so not every team runs this exact set.

Usage by Showdown level

  • Showdown: all games0.1%
  • Showdown: average player (1500 weighting)0.1%
  • Showdown: competitive (1630 weighting) thin0.1%
  • Showdown: top players (1760 weighting) thin0.3%

Abilities

Stat Points

  • Careful 11 Atk / 23 Def / 32 SpD99.8%
  • Adamant 32 HP / 32 Atk / 2 Spe0.1%
  • Careful 25 HP / 9 Def / 32 SpD0%
  • Relaxed 32 HP / 2 Atk / 32 SpD0%

These 4 cover 99.9% of its sets.

Most common partners

Other Showdown formats Scarlet & Violet, with Tera
National DexRU

Evolution

Moves

Level up 17

1HardenRaises the user's Defense by 1.NormalStatus——30
1Metal Claw10% chance to raise the user's Attack by 1.SteelPhysical5095%35
1Rock Tomb100% chance to lower the target's Speed by 1.RockPhysical6095%15
1TackleNo additional effect.NormalPhysical40100%35
12RoarForces the target to switch to a random ally.NormalStatus——20
16Headbutt30% chance to make the target flinch.NormalPhysical70100%15
20ProtectPrevents moves from affecting the user this turn.NormalStatus——10
24Rock Slide30% chance to make the foe(s) flinch.RockPhysical7590%10
28Iron Head30% chance to make the target flinch.SteelPhysical80100%15
35Metal SoundLowers the target's Sp. Def by 2.SteelStatus—85%40
40Take DownHas 1/4 recoil.NormalPhysical9085%20
48AutotomizeRaises the user's Speed by 2; user loses 100 kg.SteelStatus——15
56Iron Tail30% chance to lower the target's Defense by 1.SteelPhysical10075%15
64Iron DefenseRaises the user's Defense by 2.SteelStatus——15
72Heavy SlamMore power the heavier the user than the target.SteelPhysical—100%10
80Double-EdgeHas 33% recoil.NormalPhysical120100%15
88Metal BurstIf hit by an attack, returns 1.5× damage.SteelPhysical—100%10

TM / HM / TR 52

TM83Bulldoze100% chance lower adjacent Pkmn Speed by 1.GroundPhysical60100%20
HM01CutNo additional effect.NormalPhysical5095%30
HM03SurfHits adjacent Pokémon. Double damage on Dive.WaterSpecial90100%15
HM04StrengthNo additional effect.NormalPhysical80100%15
HM06Rock Smash50% chance to lower the target's Defense by 1.FightingPhysical40100%15
HM08Rock Climb20% chance to confuse the target.NormalPhysical9085%20
TMRoarForces the target to switch to a random ally.NormalStatus——20
TMFlamethrower10% chance to burn the target.FireSpecial90100%15
TMIce Beam10% chance to freeze the target.IceSpecial90100%10
TMBlizzard10% chance to freeze foe(s). Can't miss in Snow.IceSpecial11070%5
TMHyper BeamUser cannot move next turn.NormalSpecial15090%5
TMSolar BeamCharges turn 1. Hits turn 2. No charge in sunlight.GrassSpecial120100%10
TMThunderbolt10% chance to paralyze the target.ElectricSpecial90100%15
TMThunder WaveParalyzes the target.ElectricStatus—90%20
TMThunder30% chance to paralyze. Can't miss in rain.ElectricSpecial11070%10
TMEarthquakeHits adjacent Pokémon. Double damage on Dig.GroundPhysical100100%10
TMDigDigs underground turn 1, strikes turn 2.GroundPhysical80100%10
TMDouble TeamRaises the user's evasiveness by 1.NormalStatus——15
TMFire Blast10% chance to burn the target.FireSpecial11085%5
TMRestUser sleeps 2 turns and restores HP and status.PsychicStatus——5
TMRock Slide30% chance to make the foe(s) flinch.RockPhysical7590%10
TMSubstituteUser takes 1/4 its max HP to put in a substitute.NormalStatus——10
TMProtectPrevents moves from affecting the user this turn.NormalStatus——10
TMSandstormFor 5 turns, a sandstorm rages. Rock: 1.5× SpD.RockStatus——10
TMEndureUser survives attacks this turn with at least 1 HP.NormalStatus——10
TMSwaggerRaises the target's Attack by 2 and confuses it.NormalStatus—85%15
TMAttractA target of the opposite gender gets infatuated.NormalStatus—100%15
TMSleep TalkUser must be asleep. Uses another known move.NormalStatus——10
TMIron Tail30% chance to lower the target's Defense by 1.SteelPhysical10075%15
TMRain DanceFor 5 turns, heavy rain powers Water moves.WaterStatus——5
TMSunny DayFor 5 turns, intense sunlight powers Fire moves.FireStatus——5
TMFacadePower doubles if user is burn/poison/paralyzed.NormalPhysical70100%20
TMFocus PunchFails if the user takes damage before it hits.FightingPhysical150100%20
TMTauntTarget can't use status moves its next 3 turns.DarkStatus—100%20
TMBrick BreakDestroys screens, unless the target is immune.FightingPhysical75100%15
TMRock Tomb100% chance to lower the target's Speed by 1.RockPhysical6095%15
TMAerial AceThis move does not check accuracy.FlyingPhysical60—20
TMDragon ClawNo additional effect.DragonPhysical80100%15
TMShock WaveThis move does not check accuracy.ElectricSpecial60—20
TMWater Pulse20% chance to confuse the target.WaterSpecial60100%20
TMPaybackPower doubles if the user moves after the target.DarkPhysical50100%10
TMFlingFlings the user's item at the target. Power varies.DarkPhysical—100%10
TMRock PolishRaises the user's Speed by 2.RockStatus——20
TMDark Pulse20% chance to make the target flinch.DarkSpecial80100%15
TMDragon PulseNo additional effect.DragonSpecial85100%10
TMFocus Blast10% chance to lower the target's Sp. Def by 1.FightingSpecial12070%5
TMGiga ImpactUser cannot move next turn.NormalPhysical15090%5
TMAvalanchePower doubles if user is damaged by the target.IcePhysical60100%10
TMShadow ClawHigh critical hit ratio.GhostPhysical70100%15
TMFlash Cannon10% chance to lower the target's Sp. Def by 1.SteelSpecial80100%10
TMStone EdgeHigh critical hit ratio.RockPhysical10080%5
TMStealth RockHurts foes on switch-in. Factors Rock weakness.RockStatus——20

Biology

It treats the scratches on its armor as mementos. It takes a mountain as its territory, and protects it from trespassers. If the flora on it is damaged, it brings soil and plants trees around it.

Forms

Mega Aggron

SteelFilter
BST 630

HoldsAggronite

Its body becomes coated in a pale white steel armor, granting it a menacing appearance.

Adapted from Wikipedia: List of generation III Pokémon, List of generation VI Pokémon · CC BY-SA 4.0 · edited.

Polls & views

Each line is one source, as it published it. Polls counted every form under its species.

Pokédex entries

Category
Iron Armor Pokémon
Debut
Hoenn · Ruby & Sapphire
Color
Gray
Shape
Habitat
Mountain
Pal Park area
Mountain
Original Hoenn#072Updated Unova#168Mountain Kalos#101New Hoenn#074Crown Tundra#193Lumiose#201
  1. Long ago, there was a king who wore a helmet meant to resemble the head of an Aggron. He was trying to channel the Pokémon’s strength.

    Shield
  2. Aggron has a horn sharp enough to perforate thick iron sheets. It brings down its opponents by ramming into them horn first.

    Sword
  3. Aggron is protective of its environment. If its mountain is ravaged by a landslide or a fire, this Pokémon will haul topsoil to the area, plant trees, and beautifully restore its own territory.

    Alpha Sapphire
  4. It claims an entire mountain as its own. The more wounds it has, the more it has battled, so don’t take it lightly.

    Black 2 · White 2 · X
  5. You can tell its age by the length of its iron horns. It claims an entire mountain as its territory.

    HeartGold · SoulSilver
  6. While seeking iron for food, it digs tunnels by breaking through bedrock with its steel horns.

    Diamond · Pearl · Platinum · Black · White · Y
  7. It claims a large mountain as its sole territory. It mercilessly thrashes those that violate its space.

    FireRed · LeafGreen
  8. Its iron horns grow longer a little at a time. They are used to determine the AGGRON’s age. The gouges in its armor are worn with pride as mementos from battles.

    Emerald
  9. AGGRON is surprisingly protective of its environment. If its mountain is ravaged by a landslide or a fire, this Pokémon will haul topsoil to the area, plant trees, and beautifully restore its own territory.

    Sapphire
  10. AGGRON claims an entire mountain as its own territory. It mercilessly beats up anything that violates its environment. This Pokémon vigilantly patrols its territory at all times.

    Ruby · Omega Ruby

Names around the world

English
Aggron
Japanese
ボスゴドラ
Japanese (romaji)
Bossgodora
Korean
보스로라
Chinese (Traditional)
波士可多拉
Chinese (Simplified)
波士可多拉
French
Galeking
German
Stolloss
Spanish
Aggron
Italian
Aggron

Sprites

Artwork and 3D models

Gen IX · Gen VIII · Gen VII

Gen VI · Gen V

Generation IV

Generation III

Training

Catch rate
45 ≈5.9% with a Poké Ball at full HP

Breeding

Egg groups
Monster
Gender
♂ 50%♀ 50%
Hatch time
35 egg cycles ≈9,180 steps (Gen IV–VII)

Where to find

Evolves from Lairon: Level 42.

Shield: The Crown Tundra 10 areas
  • Ballimere Lake (Max Den D)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Frigid Sea (Max Den E)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den J)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den N)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Lakeside CaveSpecial overworld spawn in a fixed location. · Lv 68
  • Path to the Peak (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Slippery Slope (Max Den B)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Snowslide Slope (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Snowslide Slope (Max Den C)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
Sword: The Crown Tundra 10 areas
  • Ballimere Lake (Max Den D)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Frigid Sea (Max Den E)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den J)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Giant's Bed (Max Den N)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Lakeside CaveSpecial overworld spawn in a fixed location. · Lv 68
  • Path to the Peak (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Slippery Slope (Max Den B)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Snowslide Slope (Max Den A)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
  • Snowslide Slope (Max Den C)Catch a wild Dynamax or Gigantamax Pokémon in a Max Raid battle. · Lv 45–60
Ultra Moon 1 area
  • Poni PlainsIsland Scan · Lv 57
Ultra Sun 1 area
  • Poni PlainsIsland Scan · Lv 57

Locations cover Red & Blue to Sword & Shield (with its DLC) and Let’s Go. We don’t have them yet for Legends: Arceus, Brilliant Diamond & Shining Pearl, Scarlet & Violet and Legends: Z-A.