Physical
Sweeper
124Speed · Very Fast

Iron Boulder Best Moveset

Rock/Psychic at 120 Attack and 124 Speed with AbilityQuark Drive boosting the highest stat. MoveMighty Cleave bypasses Protect entirely. The moveset fires fast physical Rock and Psychic TermStab with a Protect-ignoring signature move. 108 Sp. Def absorbs special hits. A-Tier through Mighty Cleave's Protect bypass and Quark Drive speed.

Gen IX — Scarlet & Violet / Legends Z-AA

Iron Boulder held a solid A-Tier position in Gen IX. This was Iron Boulder's competitive peak. Its most popular set ran Quarkdrive with Booster Energy, favoring a Jolly nature.

Terastallization became available

Best Moves

SRCMOVETYPECATPWRPOPROLE
Lv 56
Mighty Cleave
Rock95COMMONSTAB
Lv 63
Swords Dance
NormalCOMMONUtility
TM167
Close Combat
Fighting120COMMONCoverage
TM59
Zen Headbutt
Psychic80COMMONSTAB
TM149
Earthquake
Ground100COMMONCoverage
Lv 28
Psycho Cut
Psychic70RARESTAB

Best Build

Experimental
Physical Setup Sweeper
Ability
Quark Drive
Item
Booster EnergySETUP
Best Nature for Iron Boulder
Jolly+SPE

Iron Boulder best EVs are Attack and Speed

EVs

Physical Setup Sweeper Moveset

  • Mighty CleaveSTAB
  • Swords Dance
  • Close Combat
  • Zen HeadbuttSTAB

Iron Boulder Weakness

Type-wise, Iron Boulder takes extra damage from Water, Grass, Ground, Bug, Ghost, Dark, and Steel. The Rock/Psychic typing picks up 5 resistances to work with. Iron Boulder's special bulk (base 108 Sp.Def) helps absorb special-type weaknesses, though physical moves exploit the lower Defense.

Iron Boulder Weakness and Resistance Chart
DamageTypes
2x (Weak)Water, Grass, Ground, Bug, Ghost, Dark, Steel
0.5x (Resist)Normal, Fire, Poison, Flying, Psychic

What is Iron Boulder Weak Against

Fragile
7Weak
5Resist
0Immune
Score-9
4xCritical
None
¼xResist
None
0xImmune
None

What is Iron Boulder Strong Against

6Strong
1Resisted
0Immune
Score+5
½xResisted
0xImmune
None

Best Pokemon Against Iron Boulder

Fezandipiti's U-turn hits Iron Boulder for 41-49%.

Evolution

No breeding, no evolution. Iron Boulder is a Rock/Psychic legendary with 590 base stat total that you obtain once and build around. View every chain in the Evolution Chart.

How to Evolve

No Evolution
Iron Boulder
#1022Iron Boulder
Does not evolve

Breeding

Unavailable
Undiscovered egg group

How to Get Iron Boulder

Showing Scarlet & Violet locations. Locations vary by game.View all games
Violet Exclusive — Trade with Scarlet for Gouging Fire

Iron Boulder is not available as a wild encounter in this game.

This is an event-exclusive or special distribution.

Base Stats

Nothing fancy in Iron Boulder's spread. It leans physical with Speed out front. And you'll get 3 Speed EVs per KO for it. Follows a slow 1.25M XP grind.

Base Stats
Pseudo
HP90
B
Attack120
A
Defense80
C
Sp. Atk68
C
Sp. Def108
B
Speed124
A
Total590
Details
Catch Rate
Difficult10 / 255
Growth Rate
Slow1.25M XP
Height1.5 m
Weight162.5 kg
Abilities
Quark Drive
Raises highest stat on Electric Terrain, or if holding Booster Energy.
EV Yield
HPAtkDefSpASpDSpe+3
Strong Speed training target

Iron Boulder Guide

  • Iron Boulder is a Legendary Pokemon rated B-Tier. At 590 BST, it hits hard. It excels as a sweeper. That 124 base Speed does the heavy lifting.

  • Iron Boulder's biggest threats include Swampert (Water), Roserade (Grass), and Excadrill (Ground), all carrying super-effective STAB moves. Bug, Ghost, Dark, and Steel-type attackers are also a problem. With 7 weakness types, most competitive teams carry at least one counter.

  • Quark Drive is the go-to ability for Iron Boulder. It raises highest stat on Electric Terrain, or if holding Booster Energy. It's Iron Boulder's only ability.

  • Iron Boulder is a physical attacker with base 120 Attack. Enough bulk to take a hit or two, too. Speed tells the real story. Base 124 Speed lets it outrun most of the field. Fits the sweeper role.

  • The core moveset is Mightycleave, Swords Dance, Close Combat, and Zenheadbutt. Mightycleave leads at 0% usage. This set covers the sweeper role with a mix of damage and utility.

Game Availability

Since Scarlet & Violet, Iron Boulder has appeared in 1 games. Legendary Pokemon like Iron Boulder are usually found through story events or special post-game areas rather than random encounters.

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