Omastarin Pokémon Polished Crystal

rockwater

Pokédex Entry

Spiral Pokémon

Its heavy shell allowed it to reach only nearby food. This could be the reason it is extinct.

Front

Normal

Shiny

Animated

Shiny Animated

Back

Normal

Shiny

Type

RockWater

Dex

#258 Johto Dex · #139 National

Abilities

Swift Swim(Primary)

Boosts its Speed in rain.

Shell Armor(Secondary)

Protects from critical hits.

Weak Armor(Hidden)

Physical attacks trade Def for Spe.

Growth Rate

Medium Fast

Gender Ratio

87.5% Male, 12.5% Female

Egg Groups

water1, water3

Hatch Rate

Slow (30 cycles)

Catch Rate

Poké Ball5.3%

Great Ball7.5%

Ultra Ball8.9%

Base Exp

199

EV Yield

2 Defense

Wild Held Items

None

Weak To

electric ×2grass ×4fighting ×2ground ×2

Resists

normal ×0.5fire ×0.25ice ×0.5poison ×0.5flying ×0.5

Evolution Chain

Note, you can always call Professor Elm with the Pokemon you are trying to evolve as first in your party. This was a feature that was added specifically to Polished Crystal. If the information on this page seems incorrect, please try calling Professor Elm.

Omanyte

Base form

→

Omastar

Level up Omanyte to Lv. 40

Related Guides

How to Obtain

Omastar has no wild encounters recorded in this game. Evolve omanyte to get one.

Evolution Moves (1)

Moves learned upon evolving into Omastar.

Move	Type	Cat.	Power	Acc.	PP
Icicle SpearIcicle Spear	ice		PWR25	ACC100	PP30
Icicle SpearIcicle Spear	Fires icicles to hit 2-5 times.

Related Guides

Evolution Items
Find all Evolution Item locations and their requirements

Level Up Moves (15)

Level	Move	Type	Power	Acc.	PP
1	WrapLevel: 1Wrap	normal	PWR15	ACC90	PP20
1	WrapLevel: 1Wrap	Traps the foe for 2-5 turns.
1	Defense CurlLevel: 1Defense Curl	normal	PWR0	ACC100	PP40
1	Defense CurlLevel: 1Defense Curl	Raises the user's Defense.
7	BiteLevel: 7Bite	dark	PWR60	ACC100	PP25
7	BiteLevel: 7Bite	An attack that may cause flinching.
10	Water GunLevel: 10Water Gun	water	PWR40	ACC100	PP25
10	Water GunLevel: 10Water Gun	Squirts water to attack.
16	Rock ThrowLevel: 16Rock Throw	rock	PWR50	ACC90	PP15
16	Rock ThrowLevel: 16Rock Throw	Drops rocks on the enemy.
19	LeerLevel: 19Leer	normal	PWR0	ACC100	PP30
19	LeerLevel: 19Leer	A move that lowers the foe's Defense.
25	RolloutLevel: 25Rollout	rock	PWR30	ACC90	PP20
25	RolloutLevel: 25Rollout	Attacks 5 turns with rising power.
28	Bubble BeamLevel: 28Bubble Beam	water	PWR65	ACC100	PP20
28	Bubble BeamLevel: 28Bubble Beam	An attack that may lower Speed.
34	ProtectLevel: 34Protect	normal	PWR0	ACC100	PP10
34	ProtectLevel: 34Protect	Foils attack that turn. It may fail.
37	AncientpowerLevel: 37Ancientpower	rock	PWR60	ACC100	PP5
37	AncientpowerLevel: 37Ancientpower	An attack that may raise all stats.
48	SpikesLevel: 48Spikes	ground	PWR0	ACC100	PP20
48	SpikesLevel: 48Spikes	Hurts foes when they switch in.
56	Rock BlastLevel: 56Rock Blast	rock	PWR25	ACC90	PP25
56	Rock BlastLevel: 56Rock Blast	Hurls boulders to hit 2-5 times.
67	Shell SmashLevel: 67Shell Smash	normal	PWR0	ACC100	PP15
67	Shell SmashLevel: 67Shell Smash	Lowers defenses, raises offenses.
75	Hydro PumpLevel: 75Hydro Pump	water	PWR110	ACC80	PP5
75	Hydro PumpLevel: 75Hydro Pump	A powerful Watertype attack.
86	Power GemLevel: 86Power Gem	rock	PWR80	ACC100	PP20
86	Power GemLevel: 86Power Gem	Attacks with a ray of gem-like light.

Related Guides

Egg Moves (8)

Move	Type	Power	Acc.	PP
Aurora BeamAurora Beam	ice	PWR65	ACC100	PP20
Aurora BeamAurora Beam	An attack that may lower Attack.
Bubble BeamBubble Beam	water	PWR65	ACC100	PP20
Bubble BeamBubble Beam	An attack that may lower Speed.
HazeHaze	ice	PWR0	ACC100	PP30
HazeHaze	Eliminates all stat changes.
SpikesSpikes	ground	PWR0	ACC100	PP20
SpikesSpikes	Hurts foes when they switch in.
Toxic SpikesToxic Spikes	poison	PWR0	ACC100	PP20
Toxic SpikesToxic Spikes	Poisons foes when they switch in.
SupersonicSupersonic	normal	PWR0	ACC65	PP20
SupersonicSupersonic	A move that may confuse the foe.
Water PulseWater Pulse	water	PWR60	ACC100	PP20
Water PulseWater Pulse	An attack that may confuse the foe.
Knock OffKnock Off	dark	PWR65	ACC100	PP20
Knock OffKnock Off	Slaps down the foe's held item.

Related Guides

TM/HM Moves (27)

Move	Type	Power	Acc.	PP
CurseCurse	ghost	PWR0	ACC100	PP10	TM03TM03
CurseCurse	Works differently for Ghost-types.
ToxicToxic	poison	PWR0	ACC90	PP10	TM06TM06
ToxicToxic	A Poison move with increasing damage.
HailHail	ice	PWR0	ACC100	PP10	TM07TM07
HailHail	Inflicts damage every turn.
Hidden PowerHidden Power	typeless	PWR70	ACC100	PP15	TM10TM10
Hidden PowerHidden Power	The type varies with the Pokémon.
Ice BeamIce Beam	ice	PWR90	ACC100	PP10	TM13TM13
Ice BeamIce Beam	An attack that may freeze the foe.
BlizzardBlizzard	ice	PWR110	ACC70	PP5	TM14TM14
BlizzardBlizzard	An attack that may freeze the foe.
Hyper BeamHyper Beam	normal	PWR150	ACC90	PP5	TM15TM15
Hyper BeamHyper Beam	1st turn: Attack 2nd turn: Rest
ProtectProtect	normal	PWR0	ACC100	PP10	TM17TM17
ProtectProtect	Foils attack that turn. It may fail.
Rain DanceRain Dance	water	PWR0	ACC100	PP5	TM18TM18
Rain DanceRain Dance	Boosts Water-type moves for 5 turns.
ReturnReturn	normal	PWR1	ACC100	PP20	TM27TM27
ReturnReturn	An attack that is based on loyalty.
Brick BreakBrick Break	fighting	PWR75	ACC100	PP15	TM31TM31
Brick BreakBrick Break	Removes Reflect and Light Screen.
Double TeamDouble Team	normal	PWR0	ACC100	PP15	TM32TM32
Double TeamDouble Team	Raises the user's evasiveness.
SandstormSandstorm	rock	PWR0	ACC100	PP10	TM37TM37
SandstormSandstorm	Inflicts damage every turn.
SubstituteSubstitute	normal	PWR0	ACC100	PP10	TM41TM41
SubstituteSubstitute	Makes a decoy with 1/4 user's max HP.
FacadeFacade	normal	PWR70	ACC100	PP20	TM42TM42
FacadeFacade	Double damage with Psn, Brn, or Prz.
RestRest	psychic	PWR0	ACC100	PP5	TM44TM44
RestRest	Sleep for 2 turns to fully recover.
AttractAttract	normal	PWR0	ACC100	PP15	TM45TM45
AttractAttract	Makes the opposite gender infatuated.
ThiefThief	dark	PWR60	ACC100	PP25	TM46TM46
ThiefThief	An attack that may steal a held item.
Rock SlideRock Slide	rock	PWR75	ACC90	PP10	TM48TM48
Rock SlideRock Slide	An attack that may cause flinching.
ScaldScald	water	PWR70	ACC100	PP15	TM55TM55
ScaldScald	An attack that may inflict a burn.
Water PulseWater Pulse	water	PWR60	ACC100	PP20	TM63TM63
Water PulseWater Pulse	An attack that may confuse the foe.
Giga ImpactGiga Impact	normal	PWR150	ACC90	PP5	TM68TM68
Giga ImpactGiga Impact	1st turn: Attack 2nd turn: Rest
Stone EdgeStone Edge	rock	PWR100	ACC80	PP5	TM71TM71
Stone EdgeStone Edge	Has a high critical hit ratio.
Gyro BallGyro Ball	steel	PWR1	ACC100	PP5	TM74TM74
Gyro BallGyro Ball	Does more damage at lower speed.
SurfSurf	water	PWR90	ACC100	PP15	HM03HM03
SurfSurf	A strong Watertype attack.
WhirlpoolWhirlpool	water	PWR40	ACC90	PP15	HM05HM05
WhirlpoolWhirlpool	Traps the foe for 2-5 turns.
WaterfallWaterfall	water	PWR80	ACC100	PP15	HM06HM06
WaterfallWaterfall	An attack that may cause flinching.

Related Guides

Type Matchup Strategies
Master type advantages and STAB moves

Move Tutor Moves (11)

Move	Type	Power	Acc.	PP	Location
Body Slam (Warm Beach Shack)Body Slam	normal	PWR85	ACC100	PP15	Warm Beach Shack	TutorTutor
Body Slam (Warm Beach Shack)Body Slam	An attack that may cause paralysis.
Double Edge (Safari Zone North)Double Edge	normal	PWR120	ACC100	PP15	Safari Zone North	TutorTutor
Double Edge (Safari Zone North)Double Edge	A tackle that also hurts the user.
Earth Power (Cherrygrove Bay)Earth Power	ground	PWR90	ACC100	PP10	Cherrygrove Bay	TutorTutor
Earth Power (Cherrygrove Bay)Earth Power	An attack that may lower Sp.Def.
Endure (Warm Beach Shack)Endure	normal	PWR0	ACC100	PP10	Warm Beach Shack	TutorTutor
Endure (Warm Beach Shack)Endure	Endures any hit with at least 1HP.
Headbutt (Ilex Forest)Headbutt	normal	PWR70	ACC100	PP15	Ilex Forest	TutorTutor
Headbutt (Ilex Forest)Headbutt	An attack that may cause flinching.
Icy Wind (Snowtop Mountain Inside)Icy Wind	ice	PWR55	ACC95	PP15	Snowtop Mountain Inside	TutorTutor
Icy Wind (Snowtop Mountain Inside)Icy Wind	An icy attack that lowers Speed.
Knock Off (Route 40)Knock Off	dark	PWR65	ACC100	PP20	Route 40	TutorTutor
Knock Off (Route 40)Knock Off	Slaps down the foe's held item.
Rollout (Route 46)Rollout	rock	PWR30	ACC90	PP20	Route 46	TutorTutor
Rollout (Route 46)Rollout	Attacks 5 turns with rising power.
Seismic Toss (Pewter Museum Of Science 2F)Seismic Toss	fighting	PWR1	ACC100	PP20	Pewter Museum Of Science 2F	TutorTutor
Seismic Toss (Pewter Museum Of Science 2F)Seismic Toss	Damage equals the user's level.
Sleep Talk (Route 31)Sleep Talk	normal	PWR0	ACC100	PP10	Route 31	TutorTutor
Sleep Talk (Route 31)Sleep Talk	Randomly attacks while asleep.
Swagger (Celadon City)Swagger	normal	PWR0	ACC85	PP15	Celadon City	TutorTutor
Swagger (Celadon City)Swagger	Causes confusion but raises Attack.

Related Guides

Type Summary

Weaknesses

Resistances

Immunities

Neutral

Weaknesses

Types that deal increased damage to Omastar. Use these types to counter it effectively.

grass4×electric2×fighting2×ground2×

Resistances & Immunities

Types that Omastar resists or is immune to. Avoid using these types against it.

fire0.25×normal0.5×ice0.5×poison0.5×flying0.5×

Best Counters

Pokémon that have type advantages against Omastar, either offensively or defensively.

Omastarin Pokémon Polished Crystal

Pokédex Entry