| Pokémon | ||
|---|---|---|
| Name | Omastar | Gastly |
| Classification | Spiral Pokémon | Gas Pokémon |
| Type(s) | Rock Water | Ghost Poison |
| Strength (0.8x) | Normal Fire Ice Poison Flying | Normal Grass Fighting Poison Bug Fairy |
| Weakness (1.25x) | Electric Grass Fighting Ground | Ground Psychic Ghost Dark |
| Fast Attack(s) | Water Gun Water STAB | DPS: 15 (x1.25) Super Effective | Mud Shot Ground | DPS: 13.64 (x1.25) Super Effective | DPS: 12.5 (x1.25) Super Effective | Lick Ghost STAB | DPS: 10 (x1) | Sucker Punch Dark |
| Special Attack(s) | Rock Slide Rock STAB | DPS: 19.54 (x1.25) Super Effective | Ancient Power Rock STAB | DPS: 12.15 (x1.25) Super Effective | Hydro Pump Water STAB | DPS: 29.6 (x1.25) Super Effective | DPS: 12.86 (x1) | Dark Pulse Dark | DPS: 21.15 (x1) | Sludge Bomb Poison STAB | DPS: 12.1 (x1.25) Super Effective | Ominous Wind Ghost STAB |
| Weight | 35 kg | 0.1 kg |
| Height | 1 m | 1.3 m |
| Buddy Distance | 5 km | 3 km |
| Base Stamina | 140 stamina points. | 60 stamina points. |
| Base Attack | 207 attack points. | 186 attack points. |
| Base Defense | 227 defense points. | 70 defense points. |
| Max CP | 2685 | 1002 |
| Base Flee Rate | 5 % | 10 % |
| Base Catch Rate | 12 % | 32 % |
| 2nd Ball Odds | 11.40 % | 28.80 % |
| Next Evolution Requirements | - | 25 |
| Damage Phase Length | 0.00s (ms) | 0.00s (ms) |