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Omastar

#139 in the Black and White Pokédex • Spiral Pokémon

Pokémon Black

It is thought that this Pokémon became extinct because its spiral shell grew too large.

Pokémon White

It is thought that this Pokémon became extinct because its spiral shell grew too large.

Pokédexes

-

Egg Group

Water 1Water 3

Steps to Hatch

7,680

Effort Values Yielded

2 Def

Gender Ratio

87.5% male / 12.5% female

Capture Rate

45

Base Experience

173
PokémonRequiresEvolution
Omanyte

Omanyte

#138

Level 40

Omastar

Omastar

#139

Omanyte

Kabuto

Omastar normal sprite

Normal

Shiny Omastar sprite

Shiny

Omastar

Spiral Pokémon

#139
RockWater

Height

1 m

Weight

35 kg

Base XP

173

Abilities

Swift SwimShell ArmorWeak Armor

HP

70

Attack

60

Defense

125

Sp. Atk

115

Sp. Def

70

Speed

55

Total

495

Type Chart

Weaknesses

Takes 4× from

Grass

Takes 2× from

ElectricFightingGround

Resistances

Takes 0.25× from

Fire

Takes 0.5× from

NormalIcePoisonFlying
Class
Description
StartBiteDarkPhysical6010025

The target is bitten with viciously sharp fangs. It may make the target flinch.

StartWithdrawWaterStatus--40

The user withdraws its body into its hard shell, raising its Defense stat.

StartConstrictNormalPhysical1010035

The target is attacked with long, creeping tentacles or vines. It may also lower the target’s Speed stat.

7BiteDarkPhysical6010025

The target is bitten with viciously sharp fangs. It may make the target flinch.

10Water GunWaterSpecial4010025

The target is blasted with a forceful shot of water.

16RolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes stronger each time it hits.

19LeerNormalStatus-10030

The opposing team gains an intimidating leer with sharp eyes. The opposing team’s Defense stats are reduced.

25Mud ShotGroundSpecial559515

The user attacks by hurling a blob of mud at the target. It also reduces the target’s Speed.

28BrineWaterSpecial6510010

If the target’s HP is down to about half, this attack will hit with double the power.

34ProtectNormalStatus--10

It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

37Ancient PowerRockSpecial601005

The user attacks with a prehistoric power. It may also raise all the user’s stats at once.

40Spike CannonNormalPhysical2010015

Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row.

48TickleNormalStatus-10020

The user tickles the target into laughing, reducing its Attack and Defense stats.

56Rock BlastRockPhysical259010

The user hurls hard rocks at the target. Two to five rocks are launched in quick succession.

67Shell SmashNormalStatus--15

The user breaks its shell, lowering its Defense and Sp. Def stats but sharply raising Attack, Sp. Atk, and Speed stats.

75Hydro PumpWaterSpecial120805

The target is blasted by a huge volume of water launched under great pressure.

Class
Description
HM03SurfWaterSpecial9510015

It swamps the area around the user with a giant wave. It can also be used for crossing water.

HM05WaterfallWaterPhysical8010015

The user charges at the target and may make it flinch. It can also be used to climb a waterfall.

HM06DiveWaterPhysical8010010

Diving on the first turn, the user floats up and attacks on the second turn. It can be used to dive deep in the ocean.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM07HailIceStatus--10

The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.

TM10Hidden PowerNormalSpecial110015

A unique attack that varies in type and intensity depending on the Pokémon using it.

TM13Ice BeamIceSpecial9510010

The target is struck with an icy-cold beam of energy. It may also freeze the target solid.

TM14BlizzardIceSpecial120705

A howling blizzard is summoned to strike the opposing team. It may also freeze them solid.

TM15Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user must rest on the next turn to regain its energy.

TM17ProtectNormalStatus--10

It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM23Smack DownRockPhysical5010015

The user throws a stone or projectile to attack an opponent. A flying Pokémon will fall to the ground when hit.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

TM39Rock TombRockPhysical508010

Boulders are hurled at the target. It also lowers the target’s Speed by preventing its movement.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM46ThiefDarkPhysical4010010

The user attacks and steals the target’s held item simultaneously. It can’t steal if the user holds an item.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM55ScaldWaterSpecial8010015

The user shoots boiling hot water at its target. It may also leave the target with a burn.

TM68Giga ImpactNormalPhysical150905

The user charges at the target using every bit of its power. The user must rest on the next turn.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. It can sharply raise the Speed stat.

TM71Stone EdgeRockPhysical100805

The user stabs the foe with sharpened stones from below. It has a high critical-hit ratio.

TM74Gyro BallSteelPhysical-1005

The user tackles the target with a high-speed spin. The slower the user, the greater the damage.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing team to inflict damage. It may also make the targets flinch.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, it also sharply raises the target’s Attack stat.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM94Rock SmashFightingPhysical4010015

The user attacks with a punch that can shatter a rock. It may also lower the target’s Defense stat.

Swift Swim

Ability Slot 1

Boosts the Pokémon’s Speed in rain.

Doubles Speed during rain.

Shell Armor

Ability Slot 2

The Pokémon is protected against critical hits.

Protects against critical hits.

Weak Armor

Hidden Ability

Physical attacks lower Defense and raise Speed.

Raises Speed and lowers Defense by one stage each upon being hit by a physical move.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.

B/W / Pokédex

Omastar

Omastar

#139 in the Black and White Pokédex • Spiral Pokémon

Pokémon Black

It is thought that this Pokémon became extinct because its spiral shell grew too large.

Pokémon White

It is thought that this Pokémon became extinct because its spiral shell grew too large.

Pokédexes

-

Egg Group

Water 1Water 3

Steps to Hatch

7,680

Effort Values Yielded

2 Def

Gender Ratio

87.5% male / 12.5% female

Capture Rate

45

Base Experience

173
PokémonRequiresEvolution
Omanyte

Omanyte

#138

Level 40

Omastar

Omastar

#139

Omanyte

Kabuto

Omastar normal sprite

Normal

Shiny Omastar sprite

Shiny

Omastar

Spiral Pokémon

#139
RockWater

Height

1 m

Weight

35 kg

Base XP

173

Abilities

Swift SwimShell ArmorWeak Armor

HP

70

Attack

60

Defense

125

Sp. Atk

115

Sp. Def

70

Speed

55

Total

495

Type Chart

Weaknesses

Takes 4× from

Grass

Takes 2× from

ElectricFightingGround

Resistances

Takes 0.25× from

Fire

Takes 0.5× from

NormalIcePoisonFlying
Class
Description
StartBiteDarkPhysical6010025

The target is bitten with viciously sharp fangs. It may make the target flinch.

StartWithdrawWaterStatus--40

The user withdraws its body into its hard shell, raising its Defense stat.

StartConstrictNormalPhysical1010035

The target is attacked with long, creeping tentacles or vines. It may also lower the target’s Speed stat.

7BiteDarkPhysical6010025

The target is bitten with viciously sharp fangs. It may make the target flinch.

10Water GunWaterSpecial4010025

The target is blasted with a forceful shot of water.

16RolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes stronger each time it hits.

19LeerNormalStatus-10030

The opposing team gains an intimidating leer with sharp eyes. The opposing team’s Defense stats are reduced.

25Mud ShotGroundSpecial559515

The user attacks by hurling a blob of mud at the target. It also reduces the target’s Speed.

28BrineWaterSpecial6510010

If the target’s HP is down to about half, this attack will hit with double the power.

34ProtectNormalStatus--10

It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

37Ancient PowerRockSpecial601005

The user attacks with a prehistoric power. It may also raise all the user’s stats at once.

40Spike CannonNormalPhysical2010015

Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row.

48TickleNormalStatus-10020

The user tickles the target into laughing, reducing its Attack and Defense stats.

56Rock BlastRockPhysical259010

The user hurls hard rocks at the target. Two to five rocks are launched in quick succession.

67Shell SmashNormalStatus--15

The user breaks its shell, lowering its Defense and Sp. Def stats but sharply raising Attack, Sp. Atk, and Speed stats.

75Hydro PumpWaterSpecial120805

The target is blasted by a huge volume of water launched under great pressure.

Class
Description
HM03SurfWaterSpecial9510015

It swamps the area around the user with a giant wave. It can also be used for crossing water.

HM05WaterfallWaterPhysical8010015

The user charges at the target and may make it flinch. It can also be used to climb a waterfall.

HM06DiveWaterPhysical8010010

Diving on the first turn, the user floats up and attacks on the second turn. It can be used to dive deep in the ocean.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM07HailIceStatus--10

The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.

TM10Hidden PowerNormalSpecial110015

A unique attack that varies in type and intensity depending on the Pokémon using it.

TM13Ice BeamIceSpecial9510010

The target is struck with an icy-cold beam of energy. It may also freeze the target solid.

TM14BlizzardIceSpecial120705

A howling blizzard is summoned to strike the opposing team. It may also freeze them solid.

TM15Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user must rest on the next turn to regain its energy.

TM17ProtectNormalStatus--10

It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM23Smack DownRockPhysical5010015

The user throws a stone or projectile to attack an opponent. A flying Pokémon will fall to the ground when hit.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

TM39Rock TombRockPhysical508010

Boulders are hurled at the target. It also lowers the target’s Speed by preventing its movement.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM46ThiefDarkPhysical4010010

The user attacks and steals the target’s held item simultaneously. It can’t steal if the user holds an item.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM55ScaldWaterSpecial8010015

The user shoots boiling hot water at its target. It may also leave the target with a burn.

TM68Giga ImpactNormalPhysical150905

The user charges at the target using every bit of its power. The user must rest on the next turn.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. It can sharply raise the Speed stat.

TM71Stone EdgeRockPhysical100805

The user stabs the foe with sharpened stones from below. It has a high critical-hit ratio.

TM74Gyro BallSteelPhysical-1005

The user tackles the target with a high-speed spin. The slower the user, the greater the damage.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing team to inflict damage. It may also make the targets flinch.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, it also sharply raises the target’s Attack stat.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM94Rock SmashFightingPhysical4010015

The user attacks with a punch that can shatter a rock. It may also lower the target’s Defense stat.

Swift Swim

Ability Slot 1

Boosts the Pokémon’s Speed in rain.

Doubles Speed during rain.

Shell Armor

Ability Slot 2

The Pokémon is protected against critical hits.

Protects against critical hits.

Weak Armor

Hidden Ability

Physical attacks lower Defense and raise Speed.

Raises Speed and lowers Defense by one stage each upon being hit by a physical move.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.