#139 · Final
Omastar
RockWater
Tier BRare
Omastar shells up with rock-water STAB and strong specials into fire and flying. Grass and electric punish—scout those. Rare B fossil payoff for bulky offense.
Base stats
BST 495
HP70
Atk60
Def125
SpA115
SpD70
Spe55
Ability: Swift Swim
Evolution chain
- #138OmanyteRockWater
- #139OmastarRockWater
Locations
- Evolve Omanyte
Type effectiveness
Computed from typeChart in game.json — dual types multiply.
Defending
4× weak to
Grass
2× weak to
ElectricFightingGround
Resists (¼×)
Fire
Resists (½×)
NormalIcePoisonFlying
Attacking (by own types)
Super effective (2×) as Rock
FireIceFlyingBug
Not very effective (½×) as Rock
FightingGroundSteel
Super effective (2×) as Water
FireGroundRock
Not very effective (½×) as Water
WaterGrassDragon