| Pokémon | ||
|---|---|---|
| Name | Gloom | Koffing |
| Classification | Weed Pokémon | Poison gas Pokémon |
| Type(s) | Grass Poison | Poison |
| Strength (0.8x) | Water Electric Grass Fighting Fairy | Grass Fighting Poison Bug Fairy |
| Weakness (1.25x) | Fire Ice Flying Psychic | Ground Psychic |
| Fast Attack(s) | Razor Leaf Grass STAB | DPS: 10.34 (x1) | Acid Poison STAB | DPS: 9.52 (x1) | DPS: 10.91 (x1) | Tackle Normal |
| Special Attack(s) | Moonblast Fairy | DPS: 16.58 (x0.8) Not Very Effective | Petal Blizzard Grass STAB | DPS: 20.31 (x1) | Sludge Bomb Poison STAB | DPS: 21.15 (x1) | DPS: 12.86 (x1) | Dark Pulse Dark | DPS: 14.43 (x1.25) Super Effective | Sludge Poison STAB | DPS: 26.44 (x1.25) Super Effective | Sludge Bomb Poison STAB |
| Weight | 8.6 kg | 1 kg |
| Height | 0.8 m | 0.6 m |
| Buddy Distance | 3 km | 3 km |
| Base Stamina | 120 stamina points. | 80 stamina points. |
| Base Attack | 153 attack points. | 119 attack points. |
| Base Defense | 139 defense points. | 164 defense points. |
| Max CP | 1512 | 1091 |
| Base Flee Rate | 7 % | 10 % |
| Base Catch Rate | 24 % | 40 % |
| 2nd Ball Odds | 22.32 % | 36.00 % |
| Next Evolution Requirements | 100 | 50 |
| Damage Phase Length | 0.00s (0ms) | 0.00s (0ms) |