Omastar #0139
The data on this page is from the Pokémon Yellow RotomLabs Pokédex. See all available Pokémon in Yellow here. Or, check out this Pokémon's data from the most recent games. You can also use the menu on the left (blue tab) to see data from other games this Pokémon has appeared in!
| Typing | RockWater |
| Abilities | |
| Classification | The Spiral Pokémon |
| National ID | #0139 |
Type Effectiveness
Weak x4
Grass
Weak x2
Fighting
Ground
Electric
Resists x½
Normal
Flying
Poison
Ice
Resists x¼
Fire
View all Typings:
Sprite and Official Artwork

Base Stats
| Stat | Amount | Stat Range | |||
| HP | 70 | 130—177 | |||
| Attack | 60 | 65—112 | |||
| Defense | 125 | 130—177 | |||
| Special | 115 | 120—167 | |||
| Speed | 55 | 60—107 | |||
| Total | 425 | Calculated | |||
Calculated stats: Lv. 50Lv. 100
Evolutionary Family
Breeding and Species Information
| Egg Group(s) | |
| Egg Cycles | |
| Egg Steps | 0 |
| Gender Ratio | N/A |
| Height | 1.0 m (3'3") |
| Weight | 35.0 kg (77.2 lbs.) |
Battle Information
| EV Yield | 70 HP 60 Attack 125 Defense Sp. Attack Sp. Defense 55 Speed |
| Base Exp. Yield | 199 |
| Catch Rate | 45 |
| Catch Chance | ~11.95% Success |
| Exp. Growth Rate | Medium Fast |
| Base Friendship |
Learnset via Level-up
The following moves are learned by Omastar via level-up in Pokémon Yellow:
| Level | Name | Power | Acc. | Type | Cat. |
|---|---|---|---|---|---|
| 1 | Horn Attack | 65 | 100 | Normal | Phys. |
| 1 | Water Gun | 40 | 100 | Water | Spec. |
| 1 | Withdraw | — | — | Water | Stat. |
| 34 | Horn Attack | 65 | 100 | Normal | Phys. |
| 39 | Leer | — | 100 | Normal | Stat. |
| 44 | Spike Cannon | 20 | 100 | Normal | Phys. |
| 49 | Hydro Pump | 120 | 80 | Water | Spec. |
Learnset via TM
The following moves are learned by Omastar via TM in Pokémon Yellow:
| TM | Name | Power | Acc. | Type | Cat. |
|---|---|---|---|---|---|
| TM006 | Toxic | — | 85 | Poison | Stat. |
| TM008 | Body Slam | 85 | 100 | Normal | Phys. |
| TM009 | Take Down | 90 | 85 | Normal | Phys. |
| TM010 | Double-Edge | 100 | 100 | Normal | Phys. |
| TM011 | Bubble Beam | 65 | 100 | Water | Spec. |
| TM012 | Water Gun | 40 | 100 | Water | Spec. |
| TM013 | Ice Beam | 95 | 100 | Ice | Spec. |
| TM014 | Blizzard | 120 | 90 | Ice | Spec. |
| TM015 | Hyper Beam | 150 | 90 | Normal | Phys. |
| TM017 | Submission | 80 | 80 | Fighting | Phys. |
| TM019 | Seismic Toss | 1 | 100 | Fighting | Phys. |
| TM020 | Rage | 20 | 100 | Normal | Phys. |
| TM031 | Mimic | — | 100 | Normal | Stat. |
| TM032 | Double Team | — | — | Normal | Stat. |
| TM033 | Reflect | — | — | Psychic | Stat. |
| TM034 | Bide | 1 | — | Normal | Phys. |
| TM040 | Skull Bash | 100 | 100 | Normal | Phys. |
| TM044 | Rest | — | — | Psychic | Stat. |
| TM050 | Substitute | — | — | Normal | Stat. |
Learnset via HM
The following moves are learned by Omastar via HM in Pokémon Yellow:
| TM | Name | Power | Acc. | Type | Cat. |
|---|---|---|---|---|---|
| HM03 | Surf | 95 | 100 | Water | Spec. |
In-Game Images
Standard Sprites

Main Sprite

Back Sprite

GameBoy Grayscale
GameBoy Sprites

GameBoy Grayscale

