#139 Omastar
General Location Attacks Stats Egg Moves 5th Gen Dex 3rd Gen Dex Spin Off Dex DP Entry
This Pokédex is for Diamond, Pearl, Platinum, HeartGold, SoulSilver. If you're looking for the Sword & Shield or Brilliant Diamond & Shining Pearl, Check out Omastar Pokémon Sword & Shield data
Gen VIII Dex Gen VII Dex
Let's Go Dex
Gen VI Dex Gen V Dex
Gen IV Dex Gen III Dex Gen II Dex Gen I Dex

Images
D/P/Pt HGSS
Normal Sprite Shiny Sprite Normal Sprite Shiny Sprite
Name Jp. Name No. Gender Ratio Type
Omastar Omstar
オムスター
National: #139
Johto: #226
Male :87.5%
Female :12.5%
Ability: Swift Swim & Shell Armor
Swift Swim: When rainy, The Pokémon’s Speed doubles. However, Speed will not double on the turn weather becomes Heavy Rain.
Shell Armor: Opponent’s moves cannot Critical Hit.
Classification Height Weight Capture Rate Base Egg Steps
Spiral Pokémon 3'03" 77.2lbs 45 7,680
Experience Growth Base Happiness Effort Values Earned Colour Safari Zone Flee Rate
1,000,000 Points
Medium Fast
70 2 Defense Point(s)
Blue 0
Damage Taken
*0.5 *0.25 *1 *2 *4 *0.5 *2 *0.5 *2 *0.5 *1 *1 *1 *1 *1 *1 *1
Wild Hold Item Egg Groups
No Hold Item
Water 1
Water 3
Evolutionary Chain
Flavour Text
Diamond It is thought that this Pokémon became extinct because its spiral shell grew too large.
Pearl
Platinum
HeartGold Apparently, it cracked SHELLDER's shell with its sharp fangs and sucked out the insides.
SoulSilver Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.

Location
Game Location
Ruby Trade from FireRed/LeafGreen
Sapphire Trade from FireRed/LeafGreen
Emerald Trade from FireRed/LeafGreen
FireRed Evolve Omanyte
LeafGreen Evolve Omanyte
Colosseum Trade from FireRed/LeafGreen
XD Trade from FireRed/LeafGreen
Diamond Evolve from Omanyte
Pearl Evolve from Omanyte
Platinum Evolve Omanyte
HeartGold Evolve Omanyte
SoulSilver Evolve Omanyte
Trainer Locations  Details

Diamond/Pearl/Platinum/HeartGold/SoulSilver Level Up
LevelAttack NameTypeCat.Att.Acc.PPEffect %
Constrict101003510
The foe is attacked with long, creeping tentacles or vines. It may also lower the target's Speed.
Withdraw----40--
The user withdraws its body into its hard shell, raising its Defense stat.
Bite601002530
The foe is bitten with viciously sharp fangs. It may make the target flinch.
7Bite601002530
The foe is bitten with viciously sharp fangs. It may make the target flinch.
10Water Gun4010025--
The foe is blasted with a forceful shot of water.
16Rollout309020--
The user continually rolls into the foe over five turns. It becomes stronger each time it hits.
19Leer--10030--
The foe is given an intimidating leer with sharp eyes. The target's Defense stat is reduced.
25Mud Shot559515100
The user attacks by hurling a blob of mud at the foe. It also reduces the target's Speed.
28Brine6510010--
If the foe's HP is down to about half, this attack will hit with double the power.
34Protect----10--
It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.
37Ancientpower60100510
The user attacks with a prehistoric power. It may also raise all the user's stats at once.
40Spike Cannon2010015--
Sharp spikes are fired at the foe to strike two to five times in rapid succession.
48Tickle--10020--
The user tickles the foe into laughing, reducing its Attack and Defense stats.
56Rock Blast258010--
The user hurls hard rocks at the foe. Two to five rocks are launched in quick succession.
67Hydro Pump120805--
The foe is blasted by a huge volume of water launched under great pressure.

TM & HM Attacks
TM/HM #Attack NameTypeCat.Att.Acc.PPEffect %
TM03 Water Pulse 60 100 20 20
The user attacks the foe with a pulsing blast of water. It may also confuse the foe.
TM06 Toxic -- 85 10 --
A move that leaves the target badly poisoned. Its poison damage worsens every turn.
TM07 Hail -- -- 10 --
The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.
TM10 Hidden Power ?? 100 15 --
A unique attack that varies in type and intensity depending on the Pokémon using it.
TM13 Ice Beam 95 100 10 10
The foe is struck with an icy-cold beam of energy. It may also freeze the target solid.
TM14 Blizzard 120 70 5 10
A howling blizzard is summoned to strike the foe. It may also freeze the target solid.
TM15 Hyper Beam 150 90 5 --
The foe is attacked with a powerful beam. The user must rest on the next turn to regain its energy.
TM17 Protect -- -- 10 --
It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.
TM18 Rain Dance -- -- 5 --
The user summons a heavy rain that falls for five turns, powering up Water- type moves.
TM21 Frustration ?? 100 20 --
A full-power attack that grows more powerful the less the user likes its Trainer.
TM27 Return ?? 100 20 --
A full-power attack that grows more powerful the more the user likes its Trainer.
TM32 Double Team -- -- 15 --
By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.
TM37 Sandstorm -- -- 10 --
A five-turn sand- storm is summoned to hurt all combatant types except Rock, Ground, and Steel.
TM39 Rock Tomb 50 80 10 100
Boulders are hurled at the foe. It also lowers the foe's Speed by preventing its movement.
TM42 Facade 70 100 20 --
An attack move that doubles its power if the user is poisoned, paralyzed, or has a burn.
TM43 Secret Power 70 100 20 30
The user attacks with a secret power. Its added effects vary depending on the user's environment.
TM44 Rest -- -- 10 --
The user goes to sleep for two turns. It fully restores the user's HP and heals any status problem.
TM45 Attract -- 100 15 --
If it is the opposite gender of the user, the foe becomes infatuated and less likely to attack.
TM46 Thief 40 100 10 --
The user attacks and steals the foe's held item simultaneously. It can't steal if the user holds an item.
TM55 Brine 65 100 10 --
If the foe's HP is down to about half, this attack will hit with double the power.
TM58 Endure -- -- 10 --
The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM68 Giga Impact 150 90 5 --
The user charges at the foe using every bit of its power. The user must rest on the next turn.
TM69 Rock Polish -- -- 20 --
The user polishes its body to reduce drag. It can sharply raise the Speed stat.
TM71 Stone Edge 100 80 5 --
The user stabs the foe with a sharpened stone. It has a high critical-hit ratio.
TM74 Gyro Ball ?? 100 5 --
The user tackles the foe with a high-speed spin. The slower the user, the greater the damage.
TM76 Stealth Rock -- -- 20 --
The user lays a trap of levitating stones around the foe. The trap hurts foes that switch into battle.
TM78 Captivate -- 100 20 --
If it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat.
TM80 Rock Slide 75 90 10 30
Large boulders are hurled at the foe to inflict damage. It may also make the target flinch.
TM82 Sleep Talk -- -- 10 --
While it is asleep, the user randomly uses one of the moves it knows.
TM83 Natural Gift ?? 100 15 --
The user draws power to attack by using its held Berry. The Berry determines its type and power.
TM87 Swagger -- 90 15 --
The user enrages the foe into confusion. However, it also sharply raises the foe's Attack stat.
TM90 Substitute -- -- 10 --
The user makes a copy of itself using some of its HP. The copy serves as the user's decoy.
HM03 Surf 95 100 15 --
It swamps the entire battlefield with a giant wave. It can also be used for crossing water.
HM05 HGSS Whirlpool 15 70 15 --
Traps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools.
HM06 Rock Smash 40 100 15 50
The user hits with a punch that may lower the target's Defense. It can also smash cracked boulders.
HM07 Waterfall 80 100 15 20
The user charges at the foe rapidly, and may make it flinch. It can also be used to climb a waterfall.
HM08 Rock Climb 90 85 20 20
A charging attack that may also leave the foe confused. It can also be used to scale rocky walls.
Platinum/HeartGold/SoulSilver Move Tutor Attacks
Attack NameTypeCat.Att.Acc.PPEffect %
Dive 80 100 10 --
A two-turn attack. The user dives underwater on the first turn, then hits on the next turn.
Icy Wind 55 95 15 100
The user attacks with a gust of chilled air. It also lowers the target's Speed stat.
Knock Off 20 100 20 --
The user slaps down the foe's held item, preventing the item from being used during the battle.
Snore 40 100 15 30
An attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch.
Ancientpower 60 100 5 10
The user attacks with a prehistoric power. It may also raise all the user's stats at once.
Earth Power 90 100 10 10
The user makes the ground under the foe erupt with power. It may also lower the target's Sp. Def.
Iron Defense -- -- 15 --
The user hardens its body's surface like iron, sharply raising its Defense stat.
Rollout 30 90 20 --
The user continually rolls into the foe over five turns. It becomes stronger each time it hits.

HeartGold/SoulSilver Move Tutor Attacks
Attack NameTypeCat.Att.Acc.PPEffect %
Headbutt 70 100 15 30
The user attacks with its head. It may make the foe flinch. To find Pokémon, hit trees.

Egg Moves (Details)
Attack NameTypeCat.Att.Acc.PPEffect %  
Bubblebeam651002010Details
A spray of bubbles is forcefully ejected at the foe. It may also lower the target's Speed stat.
Aurora Beam651002010Details
The foe is hit with a rainbow-colored beam. It may also lower the target's Attack stat.
Slam807520--Details
The foe is slammed with a long tail, vines, etc., to inflict damage.
Supersonic--5520--Details
The user generates odd sound waves from its body. It may confuse the target.
Haze----30--Details
The user creates a haze that eliminates every stat change among all the Pokémon engaged in battle.
Rock Slide75901030Details
Large boulders are hurled at the foe to inflict damage. It may also make the target flinch.
Spikes----20--Details
The user lays a trap of spikes at the foe's feet. The trap hurts foes that switch into battle.
Knock Off2010020--Details
The user slaps down the foe's held item, preventing the item from being used during the battle.
Wring Out??1005--Details
The user powerfully wrings the foe. The more HP the foe has, the greater this attack's power.
Toxic Spikes----20--Details
The user lays a trap of poison spikes at the foe's feet. They poison foes that switch into battle.
Muddy Water - HGSS Only95851030Details
The user attacks by shooting out muddy water. It may also lower the foe's accuracy.

Base/Max Pokéathlon Stats
SpeedPowerSkillStaminaJump

Stats
  HP Attack Defense Sp. Attack Sp. Defense Speed
Base Stats 70 60 125 115 70 55
Max Stats
Hindering Nature
Lv. 50 130 - 177 58 - 100 117 - 159 108 - 150 67 - 109 54 - 96
Lv. 100 250 - 344 112 - 197 229 - 314 211 - 296 130 - 215 103 - 188
Max Stats
Neutral Nature
Lv. 50 130 - 177 65 - 112 130 - 177 120 - 167 75 - 122 60 - 107
Lv. 100 250 - 344 125 - 219 255 - 349 235 - 329 145 - 239 115 - 209
Max Stats
Beneficial Nature
Lv. 50 130 - 177 71 - 123 143 - 194 132 - 183 82 - 134 66 - 117
Lv. 100 250 - 344 137 - 240 280 - 383 258 - 361 159 - 262 126 - 229

<--- #138
Omanyte
#140
Kabuto
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