Koffing
#109 in the Let's Go Kanto Pokédex • Poison Gas Pokémon
Koffing
#109 in the Let's Go Kanto Pokédex • Poison Gas Pokémon
Stats
Min
Max
HP
40
190
284
Attack
65
121
251
Defense
95
175
317
Sp. Atk
60
112
240
Sp. Def
45
85
207
Speed
35
67
185
Total
340
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Growth
| Pokédexes | Let’s Go Kanto #109 |
|---|---|
| EV yield | 1 Def |
| Catch rate | 190 |
| Base Exp. | 68 |
| Gender | 50% male 50% female |
Lore
Let's Go, Pikachu!
In hot places, its internal gases could expand and explode without any warning. Be very careful!
Let's Go, Eevee!
In hot places, its internal gases could expand and explode without any warning. Be very careful!
Evolution
| Pokémon | Requires | Evolution |
|---|---|---|
 Koffing #109 | Level 35 |  Weezing #110 |
Encounters
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Kanto Power Plant Power Plant | Walking in the overworld | 37-42 | 100% | - |
Pokémon Mansion Pokemon Mansion (1F) | Walking in the overworld | 39-44 | 100% | - |
Pokémon Mansion Pokemon Mansion (2F) | Walking in the overworld | 39-44 | 100% | - |
Pokémon Mansion Pokemon Mansion (3F) | Walking in the overworld | 39-44 | 100% | - |
Pokémon Mansion Pokemon Mansion (B1F) | Walking in the overworld | 39-44 | 100% | - |
Moves
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle |  |  Physical | 40 | 100 | 35 | A physical attack in which the user charges and slams into the target with its whole body. |
| Start | Poison Gas |  |  Status | - | 90 | 40 | A cloud of poison gas is sprayed in the face of opposing Pokémon, poisoning those it hits. |
| 6 | Smog | |  Special | 30 | 70 | 20 | The target is attacked with a discharge of filthy gases. This may also poison the target. |
| 12 | Clear Smog | | Special | 50 | - | 15 | The user attacks by throwing a clump of special mud. All stat changes are returned to normal. |
| 18 | Sludge | | Special | 65 | 100 | 20 | Unsanitary sludge is hurled at the target. This may also poison the target. |
| 24 | Self-Destruct | | Physical | 200 | 100 | 5 | The user attacks everything around it by causing an explosion. The user faints upon using this move. |
| 30 | Toxic | | Status | - | 90 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| 36 | Haze |  | Status | - | - | 30 | The user creates a haze that eliminates every stat change among all the Pokémon engaged in battle. |
| 42 | Sludge Bomb | | Special | 90 | 100 | 10 | Unsanitary sludge is hurled at the target. This may also poison the target. |
| 48 | Explosion | | Physical | 250 | 100 | 5 | The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move. |
Machines
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM01 | Headbutt | | Physical | 70 | 100 | 15 | The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch. |
| TM02 | Taunt |  | Status | - | 100 | 20 | The target is taunted into a rage that allows it to use only attack moves for three turns. |
| TM05 | Rest |  | Status | - | - | 5 | The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. |
| TM07 | Protect | | Status | - | - | 10 | Enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession. |
| TM08 | Substitute | | Status | - | - | 10 | The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. |
| TM11 | Will-O-Wisp |  | Status | - | 85 | 15 | The user shoots a sinister flame at the target to inflict a burn. |
| TM12 | Facade | | Physical | 70 | 100 | 20 | This attack move doubles its power if the user is poisoned, burned, or paralyzed. |
| TM20 | Dark Pulse | | Special | 80 | 100 | 15 | The user releases a horrible aura imbued with dark thoughts. This may also make the target flinch. |
| TM27 | Toxic | | Status | - | 90 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| TM36 | Thunderbolt |  | Special | 90 | 100 | 15 | A strong electric blast crashes down on the target. This may also leave the target with paralysis. |
| TM37 | Flamethrower | | Special | 90 | 100 | 15 | The target is scorched with an intense blast of fire. This may also leave the target with a burn. |
| TM38 | Thunder | | Special | 110 | 70 | 10 | A wicked thunderbolt is dropped on the target to inflict damage. This may also leave the target with paralysis. |
| TM42 | Self-Destruct | | Physical | 200 | 100 | 5 | The user attacks everything around it by causing an explosion. The user faints upon using this move. |
| TM43 | Shadow Ball |  | Special | 80 | 100 | 15 | The user hurls a shadowy blob at the target. This may also lower the target’s Sp. Def stat. |
| TM46 | Fire Blast | | Special | 110 | 85 | 5 | The target is attacked with an intense blast of all-consuming fire. This may also leave the target with a burn. |
| TM52 | Sludge Bomb | | Special | 90 | 100 | 10 | Unsanitary sludge is hurled at the target. This may also poison the target. |
