Omastar
#139 · Pokémon GS Chronicles · unchanged from the official games

Omastar

RockWaterSwift Swim, Shell Armor, Weak Armor (hidden)

Level-up moves 18

LvMoveTypeCatPowAccPP
1Spike Cannon
Hits 2-5 times in one turn.
NormalPhys209515
1Spike Cannon
Hits 2-5 times in one turn.
NormalPhys209515
1Hydro Pump
Inflicts regular damage with no additional effect.
WaterSpec110805
1Constrict
Has a chance to lower the target’s Speed by one stage.
NormalPhys1010035
1Withdraw
Raises the user’s Defense by one stage.
WaterStat40
1Bite
Has a chance to make the target flinch.
DarkPhys6010025
7Bite
Has a chance to make the target flinch.
DarkPhys6010025
10Water Gun
Inflicts regular damage with no additional effect.
WaterSpec4010025
16Rollout
Power doubles every turn this move is used in succession after the first, resetting after five turns.
RockPhys309020
19Leer
Lowers the target’s Defense by one stage.
NormalStat10030
25Mud Shot
Has a chance to lower the target’s Speed by one stage.
GroundSpec559515
28Brine
If the foe's HP is down to half, this attack does double damage.
WaterSpec6510010
34Protect
Prevents any moves from hitting the user this turn.
NormalStat10
37Ancient Power
Has a chance to raise all of the user’s stats by one stage.
RockSpec6010015
48Tickle
Lowers the target’s Attack and Defense by one stage.
NormalStat10020
56Rock Blast
Hits 2-5 times in one turn.
RockPhys259010
67Shell Smash
Sharply raises Attack, Sp. Atk, and Speed, but lowers Defense and Sp. Def.
NormalStat15
75Hydro Pump
Inflicts regular damage with no additional effect.
WaterSpec110805

* a legal move, just moved to level-up · ** new to this game

TMs & HMs

This game's documentation doesn't publish TM compatibility, so none is listed here.

Where to find Omastar

Not found in the wild — evolve or trade for it.

Other changes in this game

  • Hidden ability as listed in the documentation sheet, which marks its hidden-ability column "should match Gen VII, not tested".