As a Rock/Water type, Omastar has 4 weaknesses, 5 resistances and 0 immunities, more than the average Pokémon's 3.3 weaknesses. 10 other Pokémon share the Rock/Water typing.

Base stats

HP: 70
Attack: 60
Defense: 125
Sp. Atk: 115
Sp. Def: 70
Speed: 55
Total: 495

Omastar has a base stat total of 495, higher than 62% of Pokémon. Its best stat is Defense (125). With Sp. Atk (115) well above Attack (60), it works best as a special attacker. At 55 Speed it is slower than most Pokémon, which suits Trick Room teams. With 70 HP, 125 Defense and 70 Sp. Def it is reasonably sturdy and holds up better against physical hits.

Omastar can have the abilities Swift Swim, Shell Armor and Weak Armor.

How to beat Omastar

The best way to beat Omastar is with Grass moves, which deal 4× damage. Fighting, Ground and Electric moves are also super effective (2×).

Avoid relying on attacks it shrugs off: Normal, Flying, Poison, Fire and Ice moves are resisted.

Good counters: Virizion hits for 4× with Grass-type STAB and resists its Rock and Water moves. Kartana hits for 4× with Grass-type STAB and resists its Rock and Water moves. Chesnaught hits for 4× with Grass-type STAB and resists its Rock and Water moves.