poke.study

No. 1022

Iron Boulder

Paradox Pokémon

Iron Boulder
Official art
RockPsychic
Height
1.5 m 4′11″
Weight
162.5 kg 358.3 lbs
Base stat total
590 top 7%
Introduced
Gen IX
Abilities
It was named after a mysterious object recorded in an old book. Its body seems to be metallic.
See all 2 entries

Base stats

HP90150–197290–384
Atk120112–189220–372
Def8076–145148–284
SpA6865–132126–258
SpD108101–176198–346
Spe124116–193227–381
Total590Higher than 93% of all Pokémon
HP90Atk120Def80Spe124SpD108SpA68

Ranges: 0 IV/EV with a hindering nature to 31 IV/252 EV with a helpful nature. EV yield: 3 Spe.

Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature

Speed tiers

Speed at Lv 50 in Pokémon Champions (base 124). Scarf and Tailwind use the Max+ value.

Max+193Max176No SP144Min129Scarf289Tailwind386

At max Speed, Iron Boulder outspeeds 28 of the 30 most used Pokémon in Champions VGC.

  1. 203Mega Garchomp ZModest · 32 SP · #21 in usage
  2. 200Mega GengarTimid · 32 SP · #26 in usage
  3. 193Iron Boulder · Max+32 SP, Speed-raising alignment
  4. 190Mega Raichu YTimid · 23 SP · #13 in usage
  5. 189Mega SalamenceTimid · 32 SP · #4 in usage
  6. 184WhimsicottTimid · 32 SP · #23 in usage
  7. 178Mega MetagrossJolly · 32 SP · #28 in usage
  8. 178Mega StaraptorJolly · 32 SP · #29 in usage
  9. 176Iron Boulder · Max32 SP, neutral alignment
  10. 172SneaslerAdamant · 32 SP · #2 in usage
  11. 169Mega FloetteTimid · 32 SP · #17 in usage
  12. 169GarchompJolly · 32 SP · #19 in usage
  13. 167Mega Charizard YTimid · 32 SP · #14 in usage
  14. 167Mega GardevoirTimid · 32 SP · #20 in usage
  15. 161IndeedeeTimid · 32 SP · #30 in usage
  16. 156Hisuian ArcanineJolly · 32 SP · #16 in usage
  17. 150ArchaludonTimid · 32 SP · #9 in usage
  18. 149GholdengoTimid · 32 SP · #8 in usage
  19. 144Iron Boulder · No SP0 SP, neutral alignment
  20. 143BasculegionJolly · 32 SP · #6 in usage
  21. 128PelipperTimid · 32 SP · #12 in usage
  22. 120VolcaronaBold · 0 SP · #25 in usage
  23. 105RillaboomAdamant · 0 SP · #1 in usage
  24. 101MiloticCalm · 0 SP · #15 in usage
  25. 95SylveonModest · 15 SP · #18 in usage
  26. 94Female IndeedeeRelaxed · 0 SP · #7 in usage
  27. 90PolitoedCalm · 0 SP · #22 in usage
  28. 90SinistchaBold · 0 SP · #24 in usage
  29. 85ArmarougeQuiet · 0 SP · #27 in usage
  30. 80IncineroarCareful · 0 SP · #3 in usage
  31. 80FarigirafBold · 0 SP · #11 in usage
  32. 70KingambitAdamant · 0 SP · #5 in usage
  33. 60Mega GolisopodAdamant · 0 SP · #10 in usage

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.

Type matchups

Weak to

Bug2×Dark2×Ghost2×Grass2×Ground2×Steel2×Water2×

Resists

Fire½×Flying½×Normal½×Poison½×Psychic½×
Takes normal damage from 6 types
FightingRockElectricIceDragonFairy

Abilities

  • Quark Drive

    Raises highest stat on Electric Terrain, or if holding Booster Energy.

Competitive

SV SinglesUUBLSV Doubles(DUU)National DexRUBL

2.44% of teams · rank #78 · Singles, one type per team · 1630+ rating · 63,572 battles · Sep 2026

Most common build

Item
Choice Scarf
Ability
Quark Drive
Nature
Jolly
EVs
252 Atk / 4 SpD / 252 Spe
  1. Mighty Cleave
  2. Earthquake
  3. Close Combat
  4. Zen Headbutt

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

Usage by rating

  • All players2.75%
  • Rated 1500+3.03%
  • Rated 1630+2.44%
  • Rated 1760+1.24%

Usage by month

Oct 20252.44%

Moves

  • Mighty Cleave99.8%
  • Earthquake93.3%
  • Close Combat88.2%
  • Zen Headbutt73.9%
  • Psycho Cut14.2%
  • Swords Dance9.5%
  • Sacred Sword9.4%
  • Iron Head3.8%
  • Megahorn2.1%
  • Rock Blast1.6%

Items

  • Choice Scarf78.8%
  • Choice Band9.1%
  • Life Orb4.4%
  • Focus Sash3.7%
  • Salac Berry1.2%
  • Air Balloon1.1%

Abilities

  • 100%

EV spreads

  • Jolly 252 Atk / 4 SpD / 252 Spe75.6%
  • Jolly 4 HP / 252 Atk / 252 Spe17.1%
  • Jolly 252 Atk / 4 Def / 252 Spe4.5%
  • Hasty 252 Atk / 4 SpA / 252 Spe1.1%
  • Adamant 252 Atk / 4 SpD / 252 Spe0.6%

Evolution

Iron Boulder does not evolve.

Moves

Level up 17

1Electric TerrainFor five turns, prevents all Pokémon on the ground from sleeping and strengthens their Electric moves to 1.5× their power.ElectricStatus——10
1Horn AttackInflicts regular damage with no additional effect.NormalPhys65100%25
1LeerLowers the target’s Defense by one stage.NormalStatus—100%30
1Rock ThrowInflicts regular damage with no additional effect.RockPhys5090%15
7Quick AttackInflicts regular damage with no additional effect.NormalPhys40100%30
14SlashHas an increased chance for a critical hit.NormalPhys70100%20
21AgilityRaises the user’s Speed by two stages.PsychicStatus——30
28Psycho CutHas an increased chance for a critical hit.PsychicPhys70100%20
35CounterInflicts twice the damage the user received from the last physical hit it took.FightingPhys—100%20
42Rock TombHas a 100% chance to lower the target’s Speed by one stage.RockPhys6095%15
49Sacred SwordIgnores the target’s stat modifiers.FightingPhys90100%15
56Mighty CleaveThe user wields the light that has accumulated atop its head to cleave the target. This move hits even if the target protects itself.RockPhys95100%5
63Swords DanceRaises the user’s Attack by two stages.NormalStatus——20
70MegahornInflicts regular damage with no additional effect.BugPhys12085%10
77Quick GuardPrevents any priority moves from hitting friendly Pokémon this turn.FightingStatus——15
84Stone EdgeHas an increased chance for a critical hit.RockPhys10080%5
91Giga ImpactUser foregoes its next turn to recharge.NormalPhys15090%5

TM / HM / TR 38

TM01Take DownUser receives 1/4 the damage it inflicts in recoil.NormalPhys9085%20
TM04AgilityRaises the user’s Speed by two stages.PsychicStatus——30
TM06Scary FaceLowers the target’s Speed by two stages.NormalStatus—100%10
TM07ProtectPrevents any moves from hitting the user this turn.NormalStatus——10
TM25FacadePower doubles if user is burned, paralyzed, or poisoned.NormalPhys70100%20
TM27Aerial AceNever misses.FlyingPhys60—20
TM28BulldozeHas a 100% chance to lower the target’s Speed by one stage.GroundPhys60100%20
TM36Rock TombHas a 100% chance to lower the target’s Speed by one stage.RockPhys6095%15
TM47EndurePrevents the user’s HP from lowering below 1 this turn.NormalStatus——10
TM51SandstormChanges the weather to a sandstorm for five turns.RockStatus——10
TM54PsyshockInflicts damage based on the target’s Defense, not Special Defense.PsychicSpec80100%10
TM58Brick BreakDestroys Reflect and Light Screen.FightingPhys75100%15
TM59Zen HeadbuttHas a 20% chance to make the target flinch.PsychicPhys8090%15
TM65Air SlashHas a 30% chance to make the target flinch.FlyingSpec7595%15
TM66Body SlamHas a 30% chance to paralyze the target.NormalPhys85100%15
TM70Sleep TalkRandomly uses one of the user’s other three moves. Only works if the user is sleeping.NormalStatus——10
TM76Rock BlastHits 2-5 times in one turn.RockPhys2590%10
TM83Poison JabHas a 30% chance to poison the target.PoisonPhys80100%20
TM85RestUser sleeps for two turns, completely healing itself.PsychicStatus——5
TM87TauntFor the next few turns, the target can only use damaging moves.DarkStatus—100%20
TM88Swords DanceRaises the user’s Attack by two stages.NormalStatus——20
TM99Iron HeadHas a 30% chance to make the target flinch.SteelPhys80100%15
TM103SubstituteTransfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks.NormalStatus——10
TM104Iron DefenseRaises the user’s Defense by two stages.SteelStatus——15
TM105X-ScissorInflicts regular damage with no additional effect.BugPhys80100%15
TM120PsychicHas a 10% chance to lower the target’s Special Defense by one stage.PsychicSpec90100%10
TM136Electric TerrainFor five turns, prevents all Pokémon on the ground from sleeping and strengthens their Electric moves to 1.5× their power.ElectricStatus——10
TM147Wild ChargeUser receives 1/4 the damage it inflicts in recoil.ElectricPhys90100%15
TM149EarthquakeInflicts regular damage and can hit Dig users.GroundPhys100100%10
TM150Stone EdgeHas an increased chance for a critical hit.RockPhys10080%5
TM152Giga ImpactUser foregoes its next turn to recharge.NormalPhys15090%5
TM163Hyper BeamUser foregoes its next turn to recharge.NormalSpec15090%5
TM167Close CombatLowers the user’s Defense and Special Defense by one stage after inflicting damage.FightingPhys120100%5
TM171Tera BlastIf the user has Terastallized, it unleashes energy of its Tera Type. This move inflicts damage using the Attack or Sp. Atk stat—whichever is higher for the user.NormalSpec80100%10
TM190Solar BladeRequires a turn to charge before attacking.GrassPhys125100%10
TM204Double-EdgeUser receives 1/3 the damage inflicted in recoil.NormalPhys120100%15
TM220Meteor BeamRequires a turn to charge before attacking. Raises the users Special Attack by 1 stage after the first turn.RockSpec12090%10
TM221Throat ChopPrevents the target from using sound-based moves for two turns.DarkPhys80100%15

Pokédex entries

Category
Paradox Pokémon
Debut
Paldea · Scarlet & Violet
Color
Gray
Shape
Habitat
—
Blueberry#239
  1. It was named after a mysterious object recorded in an old book. Its body seems to be metallic.

    Violet
  2. It resembles a Pokémon described in a dubious magazine as a Terrakion that had been modified by an evil organization.

    Scarlet

Names around the world

Japanese
テツノイワオ
Japanese (romaji)
Tetsunoiwao
Korean
무쇠암석
Chinese (Traditional)
鐵磐岩
Chinese (Simplified)
铁磐岩
French
Roc-de-Fer
German
Eisenfels
Spanish
Ferromole
Italian
Massoferreo

Sprites

Tap any sprite to show it on the Pokédex above. ▶ marks official animations; Gen VIII–IX models are large, so they load only when you tap them.

Official artwork

3D models

Generation IX · animated models

Training

EV yield
3 Spe
Catch rate
10 ≈1.3% with a Poké Ball at full HP
Base friendship
0
Base experience
295
Growth rate
Slow

Breeding

Egg groups
Undiscovered
Gender
Genderless
Hatch time
50 egg cycles ≈13,005 steps (Gen IV–VII)

Where to find

No wild encounter data. It may be obtained by evolving, trading, events, or in newer games (location data is most complete for Gen I–VII).