- Species
- Poison Gas Pokémon
- Type
- Catch rate
- 190
- Growth
- Medium
- Height
- 0.6 m
- Weight
- 1.0 kg
Koffing
- Red & Blue
- Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.
- Yellow
- In hot places, its internal gases could expand and explode without any warning. Be very careful!
Base stats
| HP | 40 | |
|---|---|---|
| Attack | 65 | |
| Defense | 95 | |
| Speed | 35 | |
| Special | 60 | |
| Total | 295 |
Base stats shown are as of Red, Blue & Yellow. Generation I used a single Special stat in place of Sp. Atk and Sp. Def.
Locations
- Red
- Walking
Pokémon Mansion Lv 30-35 100% - Blue
- Walking
Pokémon Mansion Lv 30-35 20% - Yellow
- Trade from Red, Blue
Damage taken
- x1
- x0.5
- x1
- x0.5
- x2
- x1
- x2
- x1
- x1
- x1
- x0.5
- x1
- x2
- x1
- x1
| Level Up | ||||||||
|---|---|---|---|---|---|---|---|---|
| Level | Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| 1 | Smog | Special | 30 | 70 | 20 | 40 | ||
Has a chance to poison the target. | ||||||||
| 1 | Tackle | Physical | 40 | 100 | 35 | -- | ||
Inflicts regular damage with no additional effect. | ||||||||
| 32 | Sludge | Special | 65 | 100 | 20 | 30 | ||
Has a chance to poison the target. | ||||||||
| 37 | Smokescreen | Status | -- | 100 | 20 | -- | ||
Lowers the target’s accuracy by one stage. | ||||||||
| 40 | Self-Destruct | Physical | 200 | 100 | 5 | -- | ||
User faints. | ||||||||
| 45 | Haze | Status | -- | -- | 30 | -- | ||
Resets all Pokémon’s stats, accuracy, and evasion. | ||||||||
| 48 | Explosion | Physical | 250 | 100 | 5 | -- | ||
User faints. | ||||||||
| TM/HM | ||||||||
|---|---|---|---|---|---|---|---|---|
| Machine | Attack Name | Type | Class | Power | Accuracy | PP | Effect % | |
| TM06 | Toxic | Status | -- | 90 | 10 | -- | ||
Badly poisons the target, inflicting more damage every turn. | ||||||||
| TM20 | Rage | Physical | 20 | 100 | 20 | -- | ||
If the user is hit after using this move, its Attack rises by one stage. | ||||||||
| TM24 | Thunderbolt | Special | 90 | 100 | 15 | 10 | ||
Has a chance to paralyze the target. | ||||||||
| TM25 | Thunder | Special | 110 | 70 | 10 | 30 | ||
Has a chance to paralyze the target. | ||||||||
| TM31 | Mimic | Status | -- | -- | 10 | -- | ||
Copies the target’s last used move. | ||||||||
| TM32 | Double Team | Status | -- | -- | 15 | -- | ||
Raises the user’s evasion by one stage. | ||||||||
| TM34 | Bide | Physical | -- | -- | 10 | -- | ||
User waits for two turns, then hits back for twice the damage it took. | ||||||||
| TM36 | Self-Destruct | Physical | 200 | 100 | 5 | -- | ||
User faints. | ||||||||
| TM38 | Fire Blast | Special | 110 | 85 | 5 | 10 | ||
Has a chance to burn the target. | ||||||||
| TM44 | Rest | Status | -- | -- | 5 | -- | ||
User sleeps for two turns, completely healing itself. | ||||||||
| TM47 | Explosion | Physical | 250 | 100 | 5 | -- | ||
User faints. | ||||||||
| TM50 | Substitute | Status | -- | -- | 10 | -- | ||
Transfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks. | ||||||||
Other generations
Gold, Silver & Crystal, Ruby, Sapphire & Emerald, FireRed & LeafGreen, Diamond, Pearl & Platinum, HeartGold & SoulSilver, Black & White, Black 2 & White 2, X & Y, Omega Ruby & Alpha Sapphire, Sun & Moon, Ultra Sun & Ultra Moon, Sword & Shield, Brilliant Diamond & Shining Pearl, Scarlet & Violet