No. 1022
Iron Boulder
Paradox Pokémon
Iron Boulder is a Rock/Psychic-type Pokémon, 2× weak to Ground, Bug, Ghost, Steel, Water, Grass and Dark, with a base stat total of 590. It isn’t usable in Pokémon Champions’ Regulation M-C.
- Height
- 1.5 m 4′11″
- Weight
- 162.5 kg 358.3 lbs
- Base stat total
- 590 Higher than 93% of Pokémon
- Introduced
- Gen IX The Indigo Disk
It was named after a mysterious object recorded in an old book. Its body seems to be metallic.
Base stats
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 Spe.
Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature
Type matchups
RockPsychicshow which type causes itweaknessresistance
Weak to
Resists
Takes normal damage from 6 types
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 124); Scarf and Tailwind use the Max+ value.
At max Speed, Iron Boulder outspeeds 28 of the 30 most used Pokémon in Champions VGC 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
Electric Terrain active or Booster Energy used: highest stat is 1.3×, or 1.5× if Speed.
Everything about Quark Drive →Other Pokémon with Quark Drive 9
Competitive
Smogon · Showdown On Showdown
Sep 2026Other Showdown formats Scarlet & Violet, with Tera
2.4% of teams · rank #78 · Singles, one type per team · 1630 weighting · 63,572 battles · Sep 2026
Most common build
- Item
Choice Scarf- Ability
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All games2.8%
- 1500 weighting3.0%
- 1630 weighting2.4%
- 1760 weighting1.2%
Usage by month
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
- 100.0%
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%
Common teammates
Glimmora60.6%
Ogerpon-Cornerstone60.4%
Tyranitar50.1%
Arcanine-Hisui49.2%
Garganacl34.6%
Hatterene27.0%
Deoxys-Speed20.8%
Rhyperior20.5%
0.7% of teams · rank #91 · Singles · 1695 weighting · 574,541 battles · Sep 2026
Most common build
- Item
Booster Energy- Ability
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
- Tera Type
- Ground
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All games0.7%
- 1500 weighting0.7%
- 1695 weighting0.7%
- 1825 weighting0.4%
Usage by month
Moves
- Mighty Cleave99.7%
- Earthquake75.4%
- Swords Dance66.6%
- Close Combat62.0%
- Zen Headbutt36.3%
- Substitute23.8%
- Psycho Cut21.7%
- Sacred Sword5.6%
- Throat Chop5.0%
- Solar Blade2.0%
Items
Booster Energy68.3%
Choice Band27.9%
Life Orb3.2%
Stone Plate0.1%
Lum Berry0.1%
Choice Scarf0.1%
Abilities
- 100.0%
EV spreads
- Jolly 252 Atk / 4 SpD / 252 Spe52.3%
- Jolly 4 HP / 252 Atk / 252 Spe23.9%
- Jolly 252 Atk / 4 Def / 252 Spe19.4%
- Jolly 252 Atk / 24 Def / 232 Spe1.5%
- Jolly 252 Atk / 252 Spe1.1%
Tera types
- Ground27.9%
- Rock26.8%
- Fighting25.0%
- Flying9.5%
Common teammates
Iron Valiant32.5%
Great Tusk30.9%
Zamazenta24.2%
Ceruledge19.4%
Raging Bolt18.4%
Gholdengo16.9%
Toxapex16.7%
Deoxys-Speed15.3%
Checks & counters
Kingambit60.4%
Gholdengo61.3%
Great Tusk52.8%
Dragonite60.7%
Iron Valiant39.1%
Landorus-Therian31.2%
0.4% of teams · rank #159 · Singles, all Pokémon · 1630 weighting · 426,601 battles · Sep 2026
Most common build
- Item
Booster Energy- Ability
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All games0.4%
- 1500 weighting0.5%
- 1630 weighting0.4%
- 1760 weighting0.3%
Usage by month
Moves
- Mighty Cleave99.9%
- Zen Headbutt71.5%
- Earthquake64.3%
- Close Combat61.0%
- Swords Dance51.5%
- Sacred Sword22.0%
- Psycho Cut20.2%
- Substitute3.1%
- Iron Head2.7%
- Wild Charge2.3%
Items
Booster Energy69.5%
Choice Band15.5%
Life Orb5.6%
Rockium Z4.0%
Groundium Z1.6%
Muscle Band0.8%
Abilities
- 100.0%
EV spreads
- Jolly 252 Atk / 4 SpD / 252 Spe48.2%
- Jolly 152 HP / 252 Atk / 104 Spe14.0%
- Jolly 4 HP / 252 Atk / 252 Spe13.6%
- Jolly 252 Atk / 4 Def / 252 Spe11.3%
- Jolly 64 HP / 252 Atk / 192 Spe3.5%
Common teammates
Great Tusk35.3%
Kingambit34.4%
Zapdos31.6%
Venusaur-Mega30.8%
Tapu Fini29.4%
Tapu Koko27.6%
Terapagos20.5%
Tapu Lele20.0%
Checks & counters
Landorus-Therian45.7%
Zapdos1.6%
Alomomola18.6%
0.3% of teams · rank #147 · Doubles · 1695 weighting · 196,031 battles · Sep 2026
Most common build
- Item
Booster Energy- Ability
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
- Tera Type
- Fighting
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All games0.4%
- 1500 weighting0.4%
- 1695 weighting0.3%
- 1825 weighting0.4%
Usage by month
Moves
- Mighty Cleave99.3%
- Psycho Cut73.5%
- Protect58.8%
- Sacred Sword55.8%
- Throat Chop30.3%
- Iron Head24.1%
- Swords Dance23.0%
- Close Combat7.5%
- Earthquake6.9%
- Zen Headbutt6.9%
Items
Booster Energy81.5%
Clear Amulet11.2%
Life Orb3.7%
Choice Band2.0%
Weakness Policy0.7%
Assault Vest0.6%
Abilities
- 100.0%
EV spreads
- Jolly 252 Atk / 4 SpD / 252 Spe41.9%
- Adamant 4 HP / 252 Atk / 252 Spe23.3%
- Jolly 4 HP / 252 Atk / 252 Spe15.6%
- Jolly 44 HP / 252 Atk / 212 Spe7.0%
- Jolly 252 Atk / 252 Spe2.9%
Tera types
- Fighting40.2%
- Dark30.3%
- Rock19.0%
- Ground2.9%
Evolution
Iron Boulder does not evolve.
Moves
Level up 17
| 1 | Electric Terrain5 turns. Grounded: +Electric power, can't sleep. | Electric | Status | — | — | 10 |
|---|---|---|---|---|---|---|
| 1 | Horn AttackNo additional effect. | Normal | Phys | 65 | 100% | 25 |
| 1 | LeerLowers the foe(s) Defense by 1. | Normal | Status | — | 100% | 30 |
| 1 | Rock ThrowNo additional effect. | Rock | Phys | 50 | 90% | 15 |
| 7 | Quick AttackUsually goes first. | Normal | Phys | 40 | 100% | 30 |
| 14 | SlashHigh critical hit ratio. | Normal | Phys | 70 | 100% | 20 |
| 21 | AgilityRaises the user's Speed by 2. | Psychic | Status | — | — | 30 |
| 28 | Psycho CutHigh critical hit ratio. | Psychic | Phys | 70 | 100% | 20 |
| 35 | CounterIf hit by physical attack, returns double damage. | Fighting | Phys | — | 100% | 20 |
| 42 | Rock Tomb100% chance to lower the target's Speed by 1. | Rock | Phys | 60 | 95% | 15 |
| 49 | Sacred SwordIgnores the target's stat stage changes. | Fighting | Phys | 90 | 100% | 15 |
| 56 | Mighty CleaveBypasses protection without breaking it. | Rock | Phys | 95 | 100% | 5 |
| 63 | Swords DanceRaises the user's Attack by 2. | Normal | Status | — | — | 20 |
| 70 | MegahornNo additional effect. | Bug | Phys | 120 | 85% | 10 |
| 77 | Quick GuardProtects allies from priority attacks this turn. | Fighting | Status | — | — | 15 |
| 84 | Stone EdgeHigh critical hit ratio. | Rock | Phys | 100 | 80% | 5 |
| 91 | Giga ImpactUser cannot move next turn. | Normal | Phys | 150 | 90% | 5 |
TM / HM / TR 38
| TM01 | Take DownHas 1/4 recoil. | Normal | Phys | 90 | 85% | 20 |
|---|---|---|---|---|---|---|
| TM04 | AgilityRaises the user's Speed by 2. | Psychic | Status | — | — | 30 |
| TM06 | Scary FaceLowers the target's Speed by 2. | Normal | Status | — | 100% | 10 |
| TM07 | ProtectPrevents moves from affecting the user this turn. | Normal | Status | — | — | 10 |
| TM25 | FacadePower doubles if user is burn/poison/paralyzed. | Normal | Phys | 70 | 100% | 20 |
| TM27 | Aerial AceThis move does not check accuracy. | Phys | 60 | — | 20 | |
| TM28 | Bulldoze100% chance lower adjacent Pkmn Speed by 1. | Ground | Phys | 60 | 100% | 20 |
| TM36 | Rock Tomb100% chance to lower the target's Speed by 1. | Rock | Phys | 60 | 95% | 15 |
| TM47 | EndureUser survives attacks this turn with at least 1 HP. | Normal | Status | — | — | 10 |
| TM51 | SandstormFor 5 turns, a sandstorm rages. Rock: 1.5× SpD. | Rock | Status | — | — | 10 |
| TM54 | PsyshockDamages target based on Defense, not Sp. Def. | Psychic | Spec | 80 | 100% | 10 |
| TM58 | Brick BreakDestroys screens, unless the target is immune. | Fighting | Phys | 75 | 100% | 15 |
| TM59 | Zen Headbutt20% chance to make the target flinch. | Psychic | Phys | 80 | 90% | 15 |
| TM65 | Air Slash30% chance to make the target flinch. | Spec | 75 | 95% | 15 | |
| TM66 | Body Slam30% chance to paralyze the target. | Normal | Phys | 85 | 100% | 15 |
| TM70 | Sleep TalkUser must be asleep. Uses another known move. | Normal | Status | — | — | 10 |
| TM76 | Rock BlastHits 2-5 times in one turn. | Rock | Phys | 25 | 90% | 10 |
| TM83 | Poison Jab30% chance to poison the target. | Poison | Phys | 80 | 100% | 20 |
| TM85 | RestUser sleeps 2 turns and restores HP and status. | Psychic | Status | — | — | 5 |
| TM87 | TauntTarget can't use status moves its next 3 turns. | Dark | Status | — | 100% | 20 |
| TM88 | Swords DanceRaises the user's Attack by 2. | Normal | Status | — | — | 20 |
| TM99 | Iron Head30% chance to make the target flinch. | Steel | Phys | 80 | 100% | 15 |
| TM103 | SubstituteUser takes 1/4 its max HP to put in a substitute. | Normal | Status | — | — | 10 |
| TM104 | Iron DefenseRaises the user's Defense by 2. | Steel | Status | — | — | 15 |
| TM105 | X-ScissorNo additional effect. | Bug | Phys | 80 | 100% | 15 |
| TM120 | Psychic10% chance to lower the target's Sp. Def by 1. | Psychic | Spec | 90 | 100% | 10 |
| TM136 | Electric Terrain5 turns. Grounded: +Electric power, can't sleep. | Electric | Status | — | — | 10 |
| TM147 | Wild ChargeHas 1/4 recoil. | Electric | Phys | 90 | 100% | 15 |
| TM149 | EarthquakeHits adjacent Pokémon. Double damage on Dig. | Ground | Phys | 100 | 100% | 10 |
| TM150 | Stone EdgeHigh critical hit ratio. | Rock | Phys | 100 | 80% | 5 |
| TM152 | Giga ImpactUser cannot move next turn. | Normal | Phys | 150 | 90% | 5 |
| TM163 | Hyper BeamUser cannot move next turn. | Normal | Spec | 150 | 90% | 5 |
| TM167 | Close CombatLowers the user's Defense and Sp. Def by 1. | Fighting | Phys | 120 | 100% | 5 |
| TM171 | Tera BlastIf Terastallized: Phys. if Atk > SpA, type = Tera. | Normal | Spec | 80 | 100% | 10 |
| TM190 | Solar BladeCharges turn 1. Hits turn 2. No charge in sunlight. | Grass | Phys | 125 | 100% | 10 |
| TM204 | Double-EdgeHas 33% recoil. | Normal | Phys | 120 | 100% | 15 |
| TM220 | Meteor BeamRaises user's Sp. Atk by 1 on turn 1. Hits turn 2. | Rock | Spec | 120 | 90% | 10 |
| TM221 | Throat ChopFor 2 turns, the target cannot use sound moves. | Dark | Phys | 80 | 100% | 15 |
No moves match those filters.
Biology
Iron Boulder is a Paradox Pokémon, a Pokémon which hails from a different time period than normal Pokémon. It hails from the distant future, and is stated to hail from an alternative reality. Iron Boulder and Iron Crown are futuristic Paradox Pokémon which resemble Terrakion and Cobalion, Legendary Pokémon.
Adapted from Wikipedia: List of generation IX Pokémon · CC BY-SA 4.0 · edited.
Pokédex entries
- Paradox Pokémon
- Blueberry Academy · The Indigo Disk
- Color
- Gray
- —
It was named after a mysterious object recorded in an old book. Its body seems to be metallic.
VioletIt resembles a Pokémon described in a dubious magazine as a Terrakion that had been modified by an evil organization.
Scarlet
Names around the world
- English
- Iron Boulder
- 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
Artwork and 3D models
Generation IX · animated models
Training
- 3 Spe
- 10 ≈1.3% with a Poké Ball at full HP
- 0
- 295
- Slow
Breeding
- Undiscovered
- Genderless
- 50 egg cycles ≈13,005 steps (Gen IV–VII)
Where to find
Not found in the wild in the games we have location data for.
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.