Omastar Pokemon Guide: Stats, Best Moves, Abilities and More

Publish Date: May 23, 2026

Pokemon Guide

Omastar Pokemon Guide

Omastar is a Rock and Water-type fossil Pokemon known for its shell, high Special Attack and evolution from Omanyte.

Rock type Pokemon iconWater type Pokemon icon

Normal Form

Omastar

omastar

Shiny Form

Shiny Omastar

omastar

Last Updated: May 2026 | Page Status: This Omastar guide supports current Pokemon games and future updates. Location, moves and availability details will be updated as new Pokemon game data becomes available.

Omastar Description

Omastar evolves from Omanyte at Level 40. It is the final form of the Helix Fossil line.

Competitive Overview

Is Omastar Good in Competitive?

Omastar can be dangerous with Shell Smash or rain support thanks to strong Special Attack and Water/Rock coverage.

Its biggest strengths are Special Attack and setup potential, while its biggest issue is a severe Grass weakness.

Omastar Quick Facts

Here are the key facts to know about Omastar, including its type, abilities, height, weight and species information.

Name

Omastar

National Dex

#0139

Type

Rock type Pokemon iconWater type Pokemon icon

Rock / Water

Species

Spiral Pokemon

Height

3’03” / 1.0 m

Weight

77.2 lbs / 35.0 kg

Abilities

Swift Swim, Shell Armor, Weak Armor

Omastar Stats

Omastar has high Defense and Special Attack with low Speed before setup or rain.

Hp
70
Attack
60
Defense
125
Special Attack
115
Special Defense
70
Speed
55

Omastar Best Moves Across Pokemon Games

Omastar uses Water, Rock, Ice and hazard moves across Pokemon games.

Water type Pokemon icon

Surf

Reliable Water-type damage.

Water type Pokemon icon

Hydro Pump

High-power Water-type damage.

Rock type Pokemon icon

Ancient Power

Rock-type coverage with a chance to boost all stats.

Rock type Pokemon icon

Rock Slide

Reliable Rock-type physical damage.

Rock type Pokemon icon

Stone Edge

High-power Rock-type coverage.

Ice type Pokemon icon

Ice Beam

Coverage against Dragon, Flying, Grass and Ground-type Pokemon.

Normal type Pokemon icon

Shell Smash

A strong setup move in games where the line can use it.

Poison type Pokemon icon

Toxic Spikes

Hazard support when available.

Omastar All Moves

Omastar can learn a different move pool depending on the Pokemon game. Use the section below to view Omastar’s move list by learn method.

Move data shown from: Pokemon Sword and Shield

Level-Up Moves
LevelMoveTypeCategoryPowerAccuracy
StartCrunch Dark type Pokemon icon Dark Physical80100
1Bind Normal type Pokemon icon Normal Physical1585
1Crunch Dark type Pokemon icon Dark Physical80100
1Rollout Rock type Pokemon icon Rock Physical3090
1Sand Attack Ground type Pokemon icon Ground Status100
1Withdraw Water type Pokemon icon Water Status
15Water Gun Water type Pokemon icon Water Special40100
20Leer Normal type Pokemon icon Normal Status100
25Mud Shot Ground type Pokemon icon Ground Special5595
30Ancient Power Rock type Pokemon icon Rock Special60100
35Brine Water type Pokemon icon Water Special65100
43Protect Normal type Pokemon icon Normal Status
49Rock Blast Rock type Pokemon icon Rock Physical2590
56Surf Water type Pokemon icon Water Special90100
63Shell Smash Normal type Pokemon icon Normal Status
70Hydro Pump Water type Pokemon icon Water Special11080
TM Moves
MethodMoveTypeCategoryPowerAccuracy
TMAttract Normal type Pokemon icon Normal Status100
TMBlizzard Ice type Pokemon icon Ice Special11070
TMBody Slam Normal type Pokemon icon Normal Physical85100
TMBrine Water type Pokemon icon Water Special65100
TMCrunch Dark type Pokemon icon Dark Physical80100
TMDive Water type Pokemon icon Water Physical80100
TMEarth Power Ground type Pokemon icon Ground Special90100
TMEndure Normal type Pokemon icon Normal Status
TMFacade Normal type Pokemon icon Normal Physical70100
TMGiga Impact Normal type Pokemon icon Normal Physical15090
TMGyro Ball Steel type Pokemon icon Steel Physical100
TMHail Ice type Pokemon icon Ice Status
TMHydro Pump Water type Pokemon icon Water Special11080
TMHyper Beam Normal type Pokemon icon Normal Special15090
TMIce Beam Ice type Pokemon icon Ice Special90100
TMIcy Wind Ice type Pokemon icon Ice Special5595
TMIron Defense Steel type Pokemon icon Steel Status
TMLiquidation Water type Pokemon icon Water Physical85100
TMMud Shot Ground type Pokemon icon Ground Special5595
TMMuddy Water Water type Pokemon icon Water Special9085
TMPin Missile Bug type Pokemon icon Bug Physical2595
TMProtect Normal type Pokemon icon Normal Status
TMRain Dance Water type Pokemon icon Water Status
TMRest Psychic type Pokemon icon Psychic Status
TMRock Blast Rock type Pokemon icon Rock Physical2590
TMRock Slide Rock type Pokemon icon Rock Physical7590
TMRock Tomb Rock type Pokemon icon Rock Physical6095
TMRound Normal type Pokemon icon Normal Special60100
TMSandstorm Rock type Pokemon icon Rock Status
TMScald Water type Pokemon icon Water Special80100
TMSleep Talk Normal type Pokemon icon Normal Status
TMSnore Normal type Pokemon icon Normal Special50100
TMSpikes Ground type Pokemon icon Ground Status
TMStealth Rock Rock type Pokemon icon Rock Status
TMStone Edge Rock type Pokemon icon Rock Physical10080
TMSubstitute Normal type Pokemon icon Normal Status
TMSurf Water type Pokemon icon Water Special90100
TMThief Dark type Pokemon icon Dark Physical60100
TMToxic Spikes Poison type Pokemon icon Poison Status
TMWaterfall Water type Pokemon icon Water Physical80100
TMWhirlpool Water type Pokemon icon Water Special3585
Tutor Moves
MoveTypeCategoryPowerAccuracy
Meteor Beam Rock type Pokemon icon Rock Special12090

Omastar Typing, Weaknesses and Resistances

Omastar is a Rock / Water-type Pokemon. This gives it resistances to Normal, Flying, Poison, Fire and Ice-type moves, but leaves it weak to Fighting, Ground, Grass and Electric-type attacks.

Type

Rock type Pokemon iconWater type Pokemon icon

Rock, Water

Weaknesses

Fighting type Pokemon iconGround type Pokemon iconGrass type Pokemon iconElectric type Pokemon icon

Fighting, Ground, Grass, Electric

Resistances

Normal type Pokemon iconFlying type Pokemon iconPoison type Pokemon iconFire type Pokemon iconIce type Pokemon icon

Normal, Flying, Poison, Fire, Ice

Immunity

None

Omastar Abilities

Omastar’s abilities support rain sweeping, critical-hit protection or Speed boosts after physical hits.

Swift Swim

Doubles Omastar’s Speed in rain.

Shell Armor

Prevents critical hits.

Weak Armor

Raises Speed and lowers Defense after being hit by a physical attack.

Omastar Evolution

Omastar evolves from Omanyte at Level 40.

Stage 1

Omanyte

Rock type Pokemon iconWater type Pokemon icon
omanyte

Revived from the Helix Fossil

Stage 2

Omastar

Rock type Pokemon iconWater type Pokemon icon
omastar

Evolves from Omanyte at Level 40

Where to Find Omastar in Pokemon Games

Omastar is usually obtained by evolving Omanyte at Level 40.

Generation 1: Pokemon Red, Blue and Yellow
Game Where to Find Omastar
Pokemon Red box artPokemon Red Evolve Omanyte at Level 40.
Pokemon Blue box artPokemon Blue Evolve Omanyte at Level 40.
Pokemon Yellow box artPokemon Yellow Evolve Omanyte at Level 40.
Generation 2: Pokemon Gold, Silver and Crystal
Game Where to Find Omastar
Pokemon Gold box artPokemon Gold Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Silver box artPokemon Silver Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Crystal box artPokemon Crystal Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Generation 3: Ruby, Sapphire, Emerald, FireRed and LeafGreen
Game Where to Find Omastar
Pokemon Ruby box artPokemon Ruby Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Sapphire box artPokemon Sapphire Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Emerald box artPokemon Emerald Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon FireRed box artPokemon FireRed Evolve Omanyte at Level 40.
Pokemon LeafGreen box artPokemon LeafGreen Evolve Omanyte at Level 40.
Generation 4: Diamond, Pearl, Platinum, HeartGold and SoulSilver
Game Where to Find Omastar
Pokemon Diamond box artPokemon Diamond Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Pearl box artPokemon Pearl Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Platinum box artPokemon Platinum Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon HeartGold box artPokemon HeartGold Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon SoulSilver box artPokemon SoulSilver Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Generation 5: Black, White, Black 2 and White 2
Game Where to Find Omastar
Pokemon Black box artPokemon Black Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon White box artPokemon White Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Black 2 box artPokemon Black 2 Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon White 2 box artPokemon White 2 Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Generation 6: X, Y, Omega Ruby and Alpha Sapphire
Game Where to Find Omastar
Pokemon X box artPokemon X Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Y box artPokemon Y Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Omega Ruby box artPokemon Omega Ruby Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Alpha Sapphire box artPokemon Alpha Sapphire Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Generation 7: Sun, Moon, Ultra Sun, Ultra Moon and Let’s Go
Game Where to Find Omastar
Pokemon Sun box artPokemon Sun Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Moon box artPokemon Moon Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Ultra Sun box artPokemon Ultra Sun Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Ultra Moon box artPokemon Ultra Moon Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Let’s Go Pikachu box artPokemon Let’s Go Pikachu Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Let’s Go Eevee box artPokemon Let’s Go Eevee Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Generation 8: Sword, Shield, Brilliant Diamond, Shining Pearl and Legends: Arceus
Game Where to Find Omastar
Pokemon Sword box artPokemon Sword Frigid Sea, Roaring-Sea Caves and Three-Point Pass in Crown Tundra content, or evolve Omanyte.
Pokemon Shield box artPokemon Shield Frigid Sea, Roaring-Sea Caves and Three-Point Pass in Crown Tundra content, or evolve Omanyte.
Pokemon Brilliant Diamond box artPokemon Brilliant Diamond Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Shining Pearl box artPokemon Shining Pearl Evolve Omanyte at Level 40, transfer from another compatible game or catch in select fossil-related areas.
Pokemon Legends: Arceus box artPokemon Legends: Arceus Not available in this game.
Generation 9: Scarlet, Violet and Legends Z-A
Game Where to Find Omastar
Pokemon Scarlet box artPokemon Scarlet Trade or transfer from another compatible game.
Pokemon Violet box artPokemon Violet Trade or transfer from another compatible game.
Pokemon Legends Z-A box artPokemon Legends Z-A Location data not yet available.
Generation 10: Pokemon Winds and Waves
Game Where to Find Omastar
Pokemon Winds and Waves box artPokemon Winds and Waves Coming soon once official location, encounter or transfer information is confirmed.

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Omastar FAQ

Here are quick answers to common questions about Omastar. This FAQ is visible on-page content only.

What type is Omastar?

Omastar is a Rock and Water-type Pokemon.

What does Omastar evolve from?

Omastar evolves from Omanyte at Level 40.

Is Omastar good in Pokemon?

Omastar can be strong with rain or setup support, but it has a severe Grass weakness.

Is Omastar in Pokemon Legends Z-A?

Current location data for Omastar in Pokemon Legends Z-A is not yet available.



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