Sprite

No. 0139 · Generation I · Kanto

Omastar

The Spiral Pokémon

TL;DR. Omastar is a rock/water-type Pokémon from Generation I. Base Stat Total: 495. A prehistoric POKéMON that died out when its heavy shell made it impossible to catch prey.

Rock Water

A prehistoric POKéMON that died out when its heavy shell made it impossible to catch prey.

Height1.0 m

Weight35.0 kg

AbilitiesSwift Swim, Shell Armor

HiddenWeak Armor

Base stats

Stat spread.

Total of 495. Higher peaks mean specialized roles, flat spreads favor versatility.

HP 70

Attack 60

Defense 125

Sp. Attack 115

Sp. Defense 70

Speed 55

Total495

495 base stat total, the 317th-highest of all 1025 Pokémon species and 63rd among Rock-types.

125 base Defense, Omastar's strongest stat, ranking 23rd of 217 Rock-types.

Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.

Pokémon GO

Omastar in Pokémon GO.

Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Omastar reaches 2,786 CP at level 40 and 3,188 CP as a best buddy.

GO Attack207

GO Defense201

GO Stamina172

Max CP (L40)2,786

Max CP (L50)3,150

Best buddy (L51)3,188

Raid catch CP 1,517–1,592 (L20). Weather boosted 1,897–1,990 (L25).

Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator

Competitive

Omastar in competitive play.

Recommended builds and battle rankings for Omastar across the current metagames. In Pokémon GO it ranks #842 in the Great League.

Pokémon GO Battle League

Great League #842 66.7 score

Ultra League #616 68.3 score

Master League #347 48.8 score

Build around it: GO PvP IV optimizer · Team builder · Ask Dia

Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.

Quick answers

Common questions about Omastar.

Direct, sourced answers to the most-asked questions about Omastar, each computed straight from its Pokédex data.

What type is Omastar?

Omastar is a Rock/Water-type Pokémon. Dual-typing stacks weaknesses and resistances. see the full matchup table below.

What is Omastar weak to?

Omastar takes 4× damage from Grass. its biggest defensive liability. It also takes 2× damage from Electric, Fighting, Ground.

What is Omastar resistant to?

Omastar resists Normal, Ice, Poison, Flying, Fire. It has no full immunities.

How does Omastar evolve?

Omastar evolves from Omanyte (Level 40). Omastar is the final form of its evolution line.

What generation is Omastar from?

Omastar was introduced in Generation I (the Kanto region). Its Pokédex number is #0139.

What are Omastar's base stats?

Omastar has HP 70, Attack 60, Defense 125, Special Attack 115, Special Defense 70, and Speed 55. Total base stat total: 495.

What are Omastar's abilities?

Omastar can have the abilities Swift Swim, Shell Armor, plus the Hidden Ability Weak Armor.

Is Omastar legendary or mythical?

No. Omastar is a regular Pokémon, not classified as Legendary or Mythical.

What is Omastar's best stat?

Omastar's highest base stat is Defense at 125, which ranks 23rd of 217 Rock-type Pokémon.

Is Omastar good?

Omastar has a base stat total of 495, the 317th-highest of all 1025 Pokémon species and 63rd among Rock-types. That is a modest total, typical of an unevolved or utility Pokémon.

See the full Q&A page for Omastar →

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