Omastar is a Rock/Water-type Pokémon with a base stat total of 495, strongest in its Defense (125). Its abilities are Swift Swim, Shell Armor, Weak Armor (hidden). It appears in National Dex · All Gens, Gen 9 · Scarlet/Violet, Gen 8 · Sword/Shield, Gen 7 · USUM, Gen 6 · XY/ORAS, Gen 5 · Black/White, Gen 4 · Diamond/Pearl, Gen 3 · Ruby/Sapphire, Gen 2 · Gold/Silver, Gen 1 · Red/Blue.
Showing Gen 8 · Sword/Shield data. Select another scope below to compare generations.
Availability
Select a generation to view its stats, abilities, and learnset.
Base stats
| HP | 70 | |
|---|---|---|
| Attack | 60 | |
| Defense | 125 | |
| Sp. Atk | 115 | |
| Sp. Def | 70 | |
| Speed | 55 | |
| BST | 495 | |
Type matchups
Weak to (4x)4xgrass
Weak to (2x)2xelectricfightingground
Resists (0.5x)0.5xnormalicepoison
Resists (0.25x)0.25xfire
Abilities
- Swift Swim
If Rain Dance is active, this Pokemon's Speed is doubled.
- Shell Armor
This Pokemon cannot be struck by a critical hit.
- Weak Armor(hidden)
If a physical attack hits this Pokemon, Defense is lowered by 1, Speed is raised by 2.
Evolution
Learnset
Level-up
| Ancient Power | rock | 60 | special |
| Bind | normal | 15 | physical |
| Brine | water | 65 | special |
| Crunch | dark | 80 | physical |
| Hydro Pump | water | 110 | special |
| Leer | normal | — | status |
| Mud Shot | ground | 55 | special |
| Protect | normal | — | status |
| Rock Blast | rock | 25 | physical |
| Rollout | rock | 30 | physical |
| Sand Attack | ground | — | status |
| Shell Smash | normal | — | status |
| Surf | water | 90 | special |
| Water Gun | water | 40 | special |
| Withdraw | water | — | status |
TM/HM
| Attract | normal | — | status |
| Blizzard | ice | 110 | special |
| Body Slam | normal | 85 | physical |
| Dive | water | 80 | physical |
| Earth Power | ground | 90 | special |
| Endure | normal | — | status |
| Facade | normal | 70 | physical |
| Giga Impact | normal | 150 | physical |
| Gyro Ball | steel | — | physical |
| Hail | ice | — | status |
| Hyper Beam | normal | 150 | special |
| Ice Beam | ice | 90 | special |
| Icy Wind | ice | 55 | special |
| Iron Defense | steel | — | status |
| Liquidation | water | 85 | physical |
| Muddy Water | water | 90 | special |
| Pin Missile | bug | 25 | physical |
| Rain Dance | water | — | status |
| Rest | psychic | — | status |
| Rock Slide | rock | 75 | physical |
| Rock Tomb | rock | 60 | physical |
| Round | normal | 60 | special |
| Sandstorm | rock | — | status |
| Scald | water | 80 | special |
| Sleep Talk | normal | — | status |
| Snore | normal | 50 | special |
| Spikes | ground | — | status |
| Stealth Rock | rock | — | status |
| Stone Edge | rock | 100 | physical |
| Substitute | normal | — | status |
| Thief | dark | 60 | physical |
| Toxic Spikes | poison | — | status |
| Waterfall | water | 80 | physical |
| Whirlpool | water | 35 | special |
Tutor
| Meteor Beam | rock | 120 | special |