Pokemon Ref

Omastar (Pokémon)

Omastar

#139
Spiral Pokémon

Pokédex Data

National No.#139
Type Rock Water
SpeciesSpiral Pokémon
Height1 m (3' 0.3")
Weight35 kg (77.2 lbs)
Abilities
  1. Swift-swim
  2. Shell-armor
  3. Weak-armor(hidden ability)
ColorBlue
Introduced inGeneration 1
HabitatSea
ShapeTentacles

Training

Catch Rate45
Base Exp.173
Growth RateMedium

Breeding

Egg Group Water 1 Water 3

Base Stats

HP7014%
Attack6012%
Defense12525%
Special Attack11523%
Special Defense7014%
Speed5511%
Total495

Omastar Evolution Chart

Type Effectiveness

Defense

Not very effective against Omastar Normal Flying Poison Fire Ice
Normal effect against Omastar Rock Bug Ghost Steel Water Psychic Dragon Dark Fairy
Super effective against Omastar Fighting Ground Grass Electric

Omastar Weakness

This shows the effectiveness of each type on Omastar. Omastar is the defender and each type is the attacker. The effectiveness is measured by the damage multiplier.

Key

KeyEffectDamage multiplier
0No effect0%
¼ (0.25)Not very effective25%
½ (0.5)Not very effective50%
1Normal100%
2Very effective200%
4Super effective400%

Type effectiveness against Omastar

0.5× damage
Normal Pokémon are not very effective against against Omastar.
2× damage
Fighting Pokémon are very effective against against Omastar.
0.5× damage
Flying Pokémon are not very effective against against Omastar.
0.5× damage
Poison Pokémon are not very effective against against Omastar.
2× damage
Ground Pokémon are very effective against against Omastar.
1× damage
Rock Pokémon have normal effectiveness against against Omastar.
1× damage
Bug Pokémon have normal effectiveness against against Omastar.
1× damage
Ghost Pokémon have normal effectiveness against against Omastar.
1× damage
Steel Pokémon have normal effectiveness against against Omastar.
0.25× damage
Fire Pokémon are not very effective against against Omastar.
1× damage
Water Pokémon have normal effectiveness against against Omastar.
4× damage
Grass Pokémon are super effective against against Omastar.
2× damage
Electric Pokémon are very effective against against Omastar.
1× damage
Psychic Pokémon have normal effectiveness against against Omastar.
0.5× damage
Ice Pokémon are not very effective against against Omastar.
1× damage
Dragon Pokémon have normal effectiveness against against Omastar.
1× damage
Dark Pokémon have normal effectiveness against against Omastar.
1× damage
Fairy Pokémon have normal effectiveness against against Omastar.

Pokédex Entries

Generation 1
RedBlueA prehistoric Pokémon that died out when its heavy shell made it impossible to catch prey.
YellowSharp beaks ring its mouth. Its shell was too big for it to move freely, so it became extinct.
Generation 2
GoldApparently, it cracked SHELLDER's shell with its sharp fangs and sucked out the insides.
SilverOnce wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
CrystalIts heavy shell allowed it to reach only nearby food. This could be the reason it is extinct.
Generation 3
RubySapphireEmeraldOMASTAR 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.
FireRedLeafGreenIts tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
Generation 4
DiamondPearlPlatinumIt is thought that this Pokémon became extinct because its spiral shell grew too large.
HeartGoldApparently, it cracked SHELLDER’s shell with its sharp fangs and sucked out the insides.
SoulSilverOnce wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Generation 5
BlackWhiteIt is thought that this Pokémon became extinct because its spiral shell grew too large.
Black 2White 2It is thought that this Pokémon became extinct because its spiral shell grew too large.
Generation 6
XIts tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
YOnce wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Omega RubyAlpha SapphireOmastar 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 7
SunOmastar has no Pokédex entry.
MoonOmastar has no Pokédex entry.
Ultra SunIts heavy shell is thought to be the reason this ancient Pokémon died out. It’s apparently a distant ancestor of Octillery.
Ultra MoonIt wraps its prey in its tentacles to immobilize them and then finishes them off with its sharp fangs.
Let's Go PikachuLet's Go EeveeIts sharp beak rings its mouth. Its shell was too big for it to move freely, so it became extinct.
Generation 8
SwordWeighed 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.
ShieldOmastar’s sharp fangs could crush rock, but the Pokémon can attack only the prey that come within reach of its tentacles.