No. 1022
Iron Boulder
Paradox Pokémon
- Height
- 1.5 m 4′11″
- Weight
- 162.5 kg 358.3 lbs
- Base stat total
- 590 top 7%
- Introduced
- Gen IX
It was named after a mysterious object recorded in an old book. Its body seems to be metallic.See all 2 entries
Base stats
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.
At max Speed, Iron Boulder outspeeds 28 of the 30 most used Pokémon in Champions VGC.
- 203
Mega Garchomp ZModest · 32 SP · #21 in usage - 200
Mega GengarTimid · 32 SP · #26 in usage - 193Iron Boulder · Max+32 SP, Speed-raising alignment
- 190
Mega Raichu YTimid · 23 SP · #13 in usage - 189
Mega SalamenceTimid · 32 SP · #4 in usage - 184
WhimsicottTimid · 32 SP · #23 in usage - 178
Mega MetagrossJolly · 32 SP · #28 in usage - 178
Mega StaraptorJolly · 32 SP · #29 in usage - 176Iron Boulder · Max32 SP, neutral alignment
- 172
SneaslerAdamant · 32 SP · #2 in usage - 169
Mega FloetteTimid · 32 SP · #17 in usage - 169
GarchompJolly · 32 SP · #19 in usage - 167
Mega Charizard YTimid · 32 SP · #14 in usage - 167
Mega GardevoirTimid · 32 SP · #20 in usage - 161
IndeedeeTimid · 32 SP · #30 in usage - 156
Hisuian ArcanineJolly · 32 SP · #16 in usage - 150
ArchaludonTimid · 32 SP · #9 in usage - 149
GholdengoTimid · 32 SP · #8 in usage - 144Iron Boulder · No SP0 SP, neutral alignment
- 143
BasculegionJolly · 32 SP · #6 in usage - 128
PelipperTimid · 32 SP · #12 in usage - 120
VolcaronaBold · 0 SP · #25 in usage - 105
RillaboomAdamant · 0 SP · #1 in usage - 101
MiloticCalm · 0 SP · #15 in usage - 95
SylveonModest · 15 SP · #18 in usage - 94
Female IndeedeeRelaxed · 0 SP · #7 in usage - 90
PolitoedCalm · 0 SP · #22 in usage - 90
SinistchaBold · 0 SP · #24 in usage - 85
ArmarougeQuiet · 0 SP · #27 in usage - 80
IncineroarCareful · 0 SP · #3 in usage - 80
FarigirafBold · 0 SP · #11 in usage - 70
KingambitAdamant · 0 SP · #5 in usage - 60
Mega 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
Resists
Takes normal damage from 6 types
Abilities
- Quark Drive
Raises highest stat on Electric Terrain, or if holding Booster Energy.
Competitive
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
- Mighty Cleave
- Earthquake
- Close Combat
- 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
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%
Common teammates
Glimmora60.6%
Ogerpon-Cornerstone60.4%
Tyranitar50.1%
Arcanine-Hisui49.2%
Garganacl34.6%
Hatterene27%
Deoxys-Speed20.8%
Rhyperior20.5%
0.66% of teams · rank #91 · Singles · 1695+ rating · 574,541 battles · Sep 2026
Most common build
- Item
- Booster Energy
- Ability
- Quark Drive
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
- Tera Type
- Ground
- Mighty Cleave
- Earthquake
- Swords Dance
- Close Combat
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All players0.72%
- Rated 1500+0.69%
- Rated 1695+0.66%
- Rated 1825+0.4%
Usage by month
Moves
- Mighty Cleave99.7%
- Earthquake75.4%
- Swords Dance66.6%
- Close Combat62%
- Zen Headbutt36.3%
- Substitute23.8%
- Psycho Cut21.7%
- Sacred Sword5.6%
- Throat Chop5%
- Solar Blade2%
Items
- Booster Energy68.3%
- Choice Band27.9%
- Life Orb3.2%
- Stone Plate0.1%
- Lum Berry0.1%
- Choice Scarf0.1%
Abilities
- 100%
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%
- 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%
0.42% of teams · rank #159 · Singles, all Pokémon · 1630+ rating · 426,601 battles · Sep 2026
Most common build
- Item
- Booster Energy
- Ability
- Quark Drive
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
- Mighty Cleave
- Zen Headbutt
- Earthquake
- Close Combat
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All players0.44%
- Rated 1500+0.46%
- Rated 1630+0.42%
- Rated 1760+0.29%
Usage by month
Moves
- Mighty Cleave99.9%
- Zen Headbutt71.5%
- Earthquake64.3%
- Close Combat61%
- Swords Dance51.5%
- Sacred Sword22%
- Psycho Cut20.2%
- Substitute3.1%
- Iron Head2.7%
- Wild Charge2.3%
Items
- Booster Energy69.5%
- Choice Band15.5%
- Life Orb5.6%
- Rockium Z4%
- Groundium Z1.6%
- Muscle Band0.8%
Abilities
- 100%
EV spreads
- Jolly 252 Atk / 4 SpD / 252 Spe48.2%
- Jolly 152 HP / 252 Atk / 104 Spe14%
- 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%
Checks & counters
Landorus-Therian45.7%
Zapdos1.6%
Alomomola18.6%
0.34% of teams · rank #147 · Doubles · 1695+ rating · 196,031 battles · Sep 2026
Most common build
- Item
- Booster Energy
- Ability
- Quark Drive
- Nature
- Jolly
- EVs
- 252 Atk / 4 SpD / 252 Spe
- Tera Type
- Fighting
- Mighty Cleave
- Psycho Cut
- Protect
- Sacred Sword
Each part is the most used on its own, so not every team runs this exact set.
Usage by rating
- All players0.37%
- Rated 1500+0.4%
- Rated 1695+0.34%
- Rated 1825+0.4%
Usage by month
Moves
- Mighty Cleave99.3%
- Psycho Cut73.5%
- Protect58.8%
- Sacred Sword55.8%
- Throat Chop30.3%
- Iron Head24.1%
- Swords Dance23%
- Close Combat7.5%
- Earthquake6.9%
- Zen Headbutt6.9%
Items
- Booster Energy81.5%
- Clear Amulet11.2%
- Life Orb3.7%
- Choice Band2%
- Weakness Policy0.7%
- Assault Vest0.6%
Abilities
- 100%
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%
- Jolly 252 Atk / 252 Spe2.9%
Tera types
- Fighting40.2%
- Dark30.3%
- Rock19%
- Ground2.9%
Evolution
Iron Boulder does not evolve.
Moves
Level up 17
TM / HM / TR 38
No moves match those filters.
Pokédex entries
- Category
- Paradox Pokémon
- Debut
- Paldea · Scarlet & Violet
- Color
- Gray
- Shape
- Habitat
- —
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
- 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).