Koffing
#109 in the X and Y Pokédex • Poison Gas Pokémon
Pokémon X
Its thin, balloon-like body is inflated by horribly toxic gases. It reeks when it is nearby.
Pokémon Y
Lighter-than-air gases in its body keep it aloft. The gases not only smell, they are also explosive.
Pokédexes
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Koffing #109 | Level 35 | ![]() Weezing #110 |

Normal

Shiny
Koffing
Poison Gas Pokémon

HP
40
Attack
65
Defense
95
Sp. Atk
60
Sp. Def
45
Speed
35
Total
340
Type Chart
Weaknesses
Takes 2× from


Resistances
Takes 0.5× from





| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle | ![]() | Physical | 50 | 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. This may also poison those hit. |
| 4 | Smog | ![]() | Special | 30 | 70 | 20 | The target is attacked with a discharge of filthy gases. This may also poison the target. |
| 7 | Smokescreen | ![]() | Status | - | 100 | 20 | The user releases an obscuring cloud of smoke or ink. This lowers the target’s accuracy. |
| 12 | Assurance | ![]() | Physical | 60 | 100 | 10 | If the target has already taken some damage in the same turn, this attack’s power is doubled. |
| 15 | 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. |
| 23 | Self-Destruct | ![]() | Physical | 200 | 100 | 5 | The user attacks everything around it by causing an explosion. The user faints upon using this move. |
| 26 | Haze | ![]() | Status | - | - | 30 | The user creates a haze that eliminates every stat change among all the Pokémon engaged in battle. |
| 29 | Gyro Ball | ![]() | Physical | - | 100 | 5 | The user tackles the target with a high-speed spin. The slower the user compared to the target, the greater the move’s power. |
| 34 | Sludge Bomb | ![]() | Special | 90 | 100 | 10 | Unsanitary sludge is hurled at the target. This may also poison the target. |
| 37 | Explosion | ![]() | Physical | 250 | 100 | 5 | The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move. |
| 40 | Destiny Bond | ![]() | Status | - | - | 5 | When this move is used, if the user faints, the Pokémon that landed the knockout hit also faints. |
| 42 | Belch | ![]() | Special | 120 | 90 | 10 | The user lets out a damaging belch at the target. The user must eat a held Berry to use this move. |
| 45 | Memento | ![]() | Status | - | 100 | 10 | The user faints when using this move. In return, this harshly lowers the target’s Attack and Sp. Atk stats. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Curse | ![]() | Status | - | - | 10 | A move that works differently for the Ghost type than for all other types. |
| Destiny Bond | ![]() | Status | - | - | 5 | When this move is used, if the user faints, the Pokémon that landed the knockout hit also faints. |
| Grudge | ![]() | Status | - | - | 5 | If the user faints, the user’s grudge fully depletes the PP of the opponent’s move that knocked it out. |
| Pain Split | ![]() | Status | - | - | 20 | The user adds its HP to the target’s HP, then equally shares the combined HP with the target. |
| Psybeam | ![]() | Special | 65 | 100 | 20 | The target is attacked with a peculiar ray. This may also leave the target confused. |
| Psywave | ![]() | Special | - | 100 | 15 | The target is attacked with an odd psychic wave. The attack varies in intensity. |
| Screech | ![]() | Status | - | 85 | 40 | An earsplitting screech harshly lowers the target’s Defense stat. |
| Spit Up | ![]() | Special | - | 100 | 10 | The power stored using the move Stockpile is released at once in an attack. The more power is stored, the greater the move’s power. |
| Spite | ![]() | Status | - | 100 | 10 | The user unleashes its grudge on the move last used by the target by cutting 4 PP from it. |
| Stockpile | ![]() | Status | - | - | 20 | The user charges up power and raises both its Defense and Sp. Def stats. The move can be used three times. |
| Swallow | ![]() | Status | - | - | 10 | The power stored using the move Stockpile is absorbed by the user to heal its HP. Storing more power heals more HP. |
| Toxic Spikes | ![]() | Status | - | - | 20 | The user lays a trap of poison spikes at the opposing team’s feet. They poison opposing Pokémon that switch into battle. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM06 | Toxic | ![]() | Status | - | 90 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| TM09 | Venoshock | ![]() | Special | 65 | 100 | 10 | The user drenches the target in a special poisonous liquid. This move’s power is doubled if the target is poisoned. |
| TM10 | Hidden Power | ![]() | Special | 60 | 100 | 15 | A unique attack that varies in type depending on the Pokémon using it. |
| TM11 | Sunny Day | ![]() | Status | - | - | 5 | The user intensifies the sun for five turns, powering up Fire-type moves. |
| TM12 | Taunt | ![]() | Status | - | 100 | 20 | The target is taunted into a rage that allows it to use only attack moves for three turns. |
| TM17 | Protect | ![]() | Status | - | - | 10 | Enables the user to evade all attacks. Its chance of failing rises if it is used in succession. |
| TM18 | Rain Dance | ![]() | Status | - | - | 5 | The user summons a heavy rain that falls for five turns, powering up Water-type moves. |
| TM21 | Frustration | ![]() | Physical | - | 100 | 20 | A full-power attack that grows more powerful the less the user likes its Trainer. |
| TM24 | Thunderbolt | ![]() | Special | 90 | 100 | 15 | A strong electric blast crashes down on the target. This may also leave the target with paralysis. |
| TM25 | Thunder | ![]() | Special | 110 | 70 | 10 | A wicked thunderbolt is dropped on the target to inflict damage. This may also leave the target with paralysis. |
| TM27 | Return | ![]() | Physical | - | 100 | 20 | A full-power attack that grows more powerful the more the user likes its Trainer. |
| TM30 | 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. |
| TM32 | Double Team | ![]() | Status | - | - | 15 | By moving rapidly, the user makes illusory copies of itself to raise its evasiveness. |
| TM35 | Flamethrower | ![]() | Special | 90 | 100 | 15 | The target is scorched with an intense blast of fire. This may also leave the target with a burn. |
| TM36 | Sludge Bomb | ![]() | Special | 90 | 100 | 10 | Unsanitary sludge is hurled at the target. This may also poison the target. |
| TM38 | 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. |
| TM41 | Torment | ![]() | Status | - | 100 | 15 | The user torments and enrages the target, making it incapable of using the same move twice in a row. |
| TM42 | Facade | ![]() | Physical | 70 | 100 | 20 | An attack move that doubles its power if the user is poisoned, burned, or has paralysis. |
| TM44 | Rest | ![]() | Status | - | - | 5 | The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. |
| TM45 | Attract | ![]() | Status | - | 100 | 15 | If it is the opposite gender of the user, the target becomes infatuated and less likely to attack. |
| TM46 | Thief | ![]() | Physical | 60 | 100 | 25 | The user attacks and steals the target’s held item simultaneously. The user can’t steal anything if it already holds an item. |
| TM48 | Round | ![]() | Special | 60 | 100 | 15 | The user attacks the target with a song. Others can join in the Round and make the attack do greater damage. |
| TM59 | Incinerate | ![]() | Special | 60 | 100 | 15 | The user attacks opposing Pokémon with fire. If a Pokémon is holding a certain item, such as a Berry, the item becomes burned up and unusable. |
| TM61 | Will-O-Wisp | ![]() | Status | - | 85 | 15 | The user shoots a sinister, bluish-white flame at the target to inflict a burn. |
| TM64 | Explosion | ![]() | Physical | 250 | 100 | 5 | The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move. |
| TM66 | Payback | ![]() | Physical | 50 | 100 | 10 | The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled. |
| TM70 | Flash | ![]() | Status | - | 100 | 20 | The user flashes a bright light that cuts the target’s accuracy. |
| TM74 | Gyro Ball | ![]() | Physical | - | 100 | 5 | The user tackles the target with a high-speed spin. The slower the user compared to the target, the greater the move’s power. |
| TM83 | Infestation | ![]() | Special | 20 | 100 | 20 | The target is infested and attacked for four to five turns. The target can’t flee during this time. |
| TM87 | Swagger | ![]() | Status | - | 90 | 15 | The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat. |
| TM88 | Sleep Talk | ![]() | Status | - | - | 10 | While it is asleep, the user randomly uses one of the moves it knows. |
| TM90 | Substitute | ![]() | Status | - | - | 10 | The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. |
| TM97 | Dark Pulse | ![]() | Special | 80 | 100 | 15 | The user releases a horrible aura imbued with dark thoughts. This may also make the target flinch. |
| TM100 | Confide | ![]() | Status | - | - | 20 | The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat. |
Levitate
Ability Slot 1
Gives full immunity to all Ground-type moves.
Evades Ground moves.
Neutralizing Gas
Ability Slot 2
Neutralizes abilities of all Pokémon in battle.
Stench
Hidden Ability
The stench may cause the target to flinch.
Has a 10% chance of making target Pokémon flinch with each hit.






















Physical
Status
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