#0139 · Gen 1 · 495 BST
Omastar
A Rock/Water-type Pokémon from Generation 1 with strong 125 base Defense. Common ability: Swift Swim.
Base stats
Level 50, min EVs/IVs, − nature
145/72/130/121/81/67
Level 50, 252 EVs, 31 IVs, + nature
177/123/194/183/134/117
Abilities
A hard shell protects the Pokémon from critical hits.
Physical attacks to the Pokémon lower its Defense stat but sharply raise its Speed stat.
Type effectiveness
Takes 4× damage from
Takes 2× damage from
Takes ½× damage from
Takes ¼× damage from
Use the type chart for the full 18×18 matchup grid.
About Omastar
Omastar is a Rock/Water-type Pokémon from Generation 1 with a Base Stat Total of 495. A Rock/Water-type Pokémon from Generation 1 with strong 125 base Defense. Common ability: Swift Swim.
Best stat: Defense (125 base)
Omastar's standout stat informs its competitive role. With 115 base Special Attack and 55 base Speed, the standard offensive set will invest 252 EVs into Special Attack and 252 into Speed — though its low Speed often warrants Trick Room support instead.
Abilities
- Swift Swim
- Shell Armor
- Weak Armor
How to use Omastar competitively
Open the damage calculator with Omastar selected to test offensive matchups. For an EV spread that hits key benchmarks, use the EV calculator — Omastar appears in the species dropdown. Drop Omastar into the team builder to check coverage with five teammates.
Pokédex data summary
| National Dex # | #0139 |
|---|---|
| Generation | Gen 1 |
| Type | Rock / Water |
| Abilities | Swift Swim, Shell Armor, Weak Armor |
| Base Stat Total | 495 |
| HP / Atk / Def / SpA / SpD / Spe | 70 / 60 / 125 / 115 / 70 / 55 |