FR/LG / Pokédex

Omastar

Back to Pokédex

Omastar

#139 in the Kanto Pokédex • Spiral Pokémon

Omastar in the National Pokédex
Omastar sprite

Normal

Shiny Omastar sprite

Shiny

Pokédex entries

FireRed

Its tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.

LeafGreen

Despite having strong fangs and tentacles, it went extinct when its heavy shell made it unable to catch prey.

Pokémon details

Types

RockWater

Category

Spiral Pokémon

Height

1 m (3'03")

Weight

35 kg (77.2 lbs)

National Pokédex

#0139

Kanto Pokédex

#139

Omastar in Other Games

National Dex page

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

HP

70

250

344

Attack

60

112

240

Defense

125

229

383

Sp. Atk

115

211

361

Sp. Def

70

130

262

Speed

55

103

229

Total

495

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Game availability

Available within the FireRed/LeafGreen pair. Depending on the species, acquisition can require the other version, the postgame, evolution, breeding, or an event ticket. Original GBA event tickets required historical distributions; Switch ticket access differs.

Type-only matchups for Omastar, sorted from worst weakness to best resistance. Abilities, held items and battle conditions can change the damage taken.

EV yield, catch rate, and experience details for this Pokémon.
EV yield
2 Def
Catch rate
45
Base Exp.
199

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg groups
Gender
87.5% male
12.5% female
Egg cycles
30 (7,935 steps)

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Omanyte

Omanyte

#138

Level 40

Omastar

Omastar

#139

Evolution

Evolve Omanyte, revived from the Helix Fossil on Cinnabar Island, by raising it to level 40. Available only if you chose the Helix Fossil in Mt. Moon.

Moves this Pokémon learns naturally by reaching specific levels.
Class
StartBiteDark6010025
StartWater GunWater4010025
StartWithdrawWater--40
StartConstrictNormal1010035
13BiteDark6010025
19Water GunWater4010025
25Mud ShotGround559515
31LeerNormal-10030
37ProtectNormal--10
40Spike CannonNormal2010015
46TickleNormal-10020
55Ancient PowerRock601005
65Hydro PumpWater120805

Machine compatibility for Generation III. HM08 Dive cannot be obtained in FireRed or LeafGreen; a Pokémon must learn it in another Generation III game and be traded in on GBA. Switch has no incoming transfers from those games.

Moves this Pokémon can learn from move tutors in this game.
Class
Body SlamNormal8510015
Double-EdgeNormal12010015
MimicNormal--10
Rock SlideRock759010
Seismic TossFighting-10020
SubstituteNormal--10

Ability options available to this Pokémon in this game.

Swift Swim

Raises SPEED in rain.

Doubles Speed during rain.

Shell Armor

Blocks critical hits.

Protects against critical hits.

Join Discord

Join a community of 5,000+ Trainers.

discord.gg/dittobase