PTB
Omastar, a Rock and Water type Pokémon, official artwork

#0139

Omastar: Weakness, Best Moveset & Builds

RockWaterIllegal

Omastar is a straightforward attacker, led by its Defense (125) and Sp. Atk (115), with a base stat total of 495.

Build a team with Omastar

What is Omastar weak to?

How much damage Omastar takes from each attacking type.

4×Weak toGrass
0.25×ResistsFire

Omastar takes super-effective damage from Grass, Electric, Fighting, Ground (Grass hit it for 4x damage). It resists Flying, Ice, Normal, Poison, Fire.

Best moveset for Omastar

Omastar has no significant ranked usage this month, so here are its strongest attacking options by type coverage:

  • Giga ImpactNormal150
  • Meteor BeamRock120
  • BlizzardIce110
  • Hydro PumpWater110

Best nature for Omastar

Modest. Omastar leans special (115 Sp. Atk vs 60 Attack) and isn't winning speed ties, so Modest (+Sp. Atk, −Attack) maximises damage.

Abilities

  • Swift SwimIf Rain Dance is active, this Pokemon's Speed is doubled.
  • Shell ArmorThis Pokemon cannot be struck by a critical hit.
  • Weak ArmorIf a physical attack hits this Pokemon, Defense is lowered by 1, Speed is raised by 2.

Evolution line

Full learnset (86 moves; tap to expand)

Omastar is not obtainable in Scarlet/Violet, so this is its National Dex movepool.

MoveTypePowerAcc.Category
Giga ImpactNormal15090%Physical
Hyper BeamNormal15090%Special
Skull BashNormal130100%Physical
Double-EdgeNormal120100%Physical
Meteor BeamRock12090%Special
BlizzardIce11070%Special
Hydro PumpWater11080%Special
Stone EdgeRock10080%Physical
Earth PowerGround90100%Special
Ice BeamIce90100%Special
Muddy WaterWater9085%Special
Rock ClimbNormal9085%Physical
SurfWater90100%Special
Take DownNormal9085%Physical
Body SlamNormal85100%Physical
LiquidationWater85100%Physical
CrunchDark80100%Physical
DiveWater80100%Physical
ScaldWater80100%Special
SubmissionFighting8080%Physical
WaterfallWater80100%Physical
Rock SlideRock7590%Physical
FacadeNormal70100%Physical
HeadbuttNormal70100%Physical
Secret PowerNormal70100%Physical
BrineWater65100%Special
Bubble BeamWater65100%Special
Horn AttackNormal65100%Physical
Knock OffDark65100%Physical
Ancient PowerRock60100%Special
BiteDark60100%Physical
Hidden Power WaterWater60100%Special
Rock TombRock6095%Physical
RoundNormal60100%Special
ThiefDark60100%Physical
Water PulseWater60100%Special
Icy WindIce5595%Special
Mud ShotGround5595%Special
Rock ThrowRock5090%Physical
Smack DownRock50100%Physical
SnoreNormal50100%Special
Rock SmashFighting40100%Physical
Water GunWater40100%Special
WhirlpoolWater3585%Special
RolloutRock3090%Physical
Pin MissileBug2595%Physical
Rock BlastRock2590%Physical
RageNormal20100%Physical
Spike CannonNormal20100%Physical
BindNormal1585%Physical
ConstrictNormal10100%Physical
BideNormal?-Physical
FrustrationNormal?100%Physical
Gyro BallSteel?100%Physical
Horn DrillNormal?30%Physical
Natural GiftNormal?100%Physical
ReturnNormal?100%Physical
Seismic TossFighting?100%Physical
AttractNormal-100%Status
CaptivateNormal-100%Status
ConfideNormal--Status
CurseGhost--Status
Double TeamNormal--Status
EndureNormal--Status
HailIce--Status
Iron DefenseSteel--Status
LeerNormal-100%Status
MimicNormal--Status
ProtectNormal--Status
Rain DanceWater--Status
ReflectPsychic--Status
RestPsychic--Status
Rock PolishRock--Status
Sand AttackGround-100%Status
SandstormRock--Status
Shell SmashNormal--Status
Sleep TalkNormal--Status
SpikesGround--Status
Stealth RockRock--Status
SubstituteNormal--Status
SupersonicNormal-55%Status
SwaggerNormal-85%Status
TickleNormal-100%Status
ToxicPoison-90%Status
Toxic SpikesPoison--Status
WithdrawWater--Status