Poké Wiki
中 繁 EN
Omastar official artwork
#0139

Omastar

Report Error

Omastar オムスター

Rock Water Generation I Spiral Pokémon
Height 1.0m Weight 35.0kg
Swift Swim Shell Armor Weak Armor （Hidden Ability）

Pokémon Profile

A prehistoric Pokémon that died out when its heavy shell made it impossible to catch prey.

Base Stats

Form Base Stats：Omastar · Total 495

HP 70
Attack 60
Defense 125
Sp. Atk 115
Sp. Def 70
Speed 55

Basic Info

Gender Ratio
♂ 87.5% / ♀ 12.5%
Catch Rate
45（5.9%）
Egg Groups
Water 1 / Water 3
Egg Cycles
30
Base Friendship
50
EV Yield
Defense+2
Base Experience
173
Shape
Tentacled
Color
Blue
Experience
1,000,000（较快）

Type Matchups View full type chart →

Defensive (when attacked)

4× Weakness Grass ×4
2× Weakness Electric ×2 Fighting ×2 Ground ×2
1/4 Resistance Fire ×0.25
1/2 Resistance Normal ×0.5 Ice ×0.5 Poison ×0.5 Flying ×0.5

Offensive (when attacking)

2× Weakness Fire ×2 Ice ×2 Ground ×2 Flying ×2 Bug ×2 Rock ×2

Evolution Chain

Omanyte Omanyte
Level 40 or higher
Omastar Omastar

Learnset

Level Moves Type Category Power Accuracy PP
Evolution Crunch Dark Physical 80 100 15
— Crunch Dark Physical 80 100 15
— Bind Normal Physical 15 85 20
— Withdraw Water Status — — 40
— Rollout Rock Physical 30 90 20
— Sand Attack Ground Status — 100 15
15 Water Gun Water Special 40 100 25
20 Leer Normal Status — 100 30
25 Mud Shot Ground Special 55 95 15
30 Ancient Power Rock Special 60 100 5
35 Brine Water Special 65 100 10
43 Protect Normal Status — — 10
49 Rock Blast Rock Physical 25 90 10
56 Surf Water Special 90 100 15
63 Shell Smash Normal Status — — 15
70 Hydro Pump Water Special 110 80 5

Omastar Competitive Movesets & Sets

Omastar movesets cover 9 generations and 28 formats with 42 sets in total, including moves, abilities, items, natures, EVs and Tera types with analysis.

9 Generation 28 Format 42 set
View All Movesets

Pokédex Entries

Generation I
Red：
A prehistoric Pokémon that died out when its heavy shell made it impossible to catch prey.
Yellow：
Sharp beaks ring its mouth. Its shell was too big for it to move freely, so it became extinct.
Generation II
Gold：
Apparently, it cracked SHELLDER's shell with its sharp fangs and sucked out the insides.
Silver：
Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Crystal：
Its heavy shell allowed it to reach only nearby food. This could be the reason it is extinct.
Generation III
Ruby：
OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Emerald：
An OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large, making its movements slow and ponderous.
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.
Generation IV
Diamond：
It is thought that this Pokémon became extinct because its spiral shell grew too large.
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.
Generation V
Black：
It is thought that this Pokémon became extinct because its spiral shell grew too large.
Generation VI
X：
Its tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
Y：
Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Omega Ruby：
Omastar uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Generation VII
Ultra Sun：
Its heavy shell is thought to be the reason this ancient Pokémon died out. It’s apparently a distant ancestor of Octillery.
Ultra Moon：
It wraps its prey in its tentacles to immobilize them and then finishes them off with its sharp fangs.
Let's Go Pikachu：
Its sharp beak rings its mouth. Its shell was too big for it to move freely, so it became extinct.
Generation VIII
Sword：
Weighed down by a large and heavy shell, Omastar couldn’t move very fast. Some say it went extinct because it was unable to catch food.
Shield：
Omastar’s sharp fangs could crush rock, but the Pokémon can attack only the prey that come within reach of its tentacles.