Weezing
#110 in the FireRed and LeafGreen Pokédex • Poison Gas Pokémon
FireRed
Very rarely, a sudden mutation can result in two small KOFFING twins becoming conjoined as a WEEZING.
LeafGreen
Where two kinds of poison gases meet, two KOFFING can fuse into a WEEZING over many years.
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
 Koffing #109 | Level 35 |  Weezing #110 |
FireRed
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Pokémon Mansion Pokemon Mansion (1F) | Walking in tall grass or a cave | 32 | 5% | - |
Pokémon Mansion Pokemon Mansion (2F) | Walking in tall grass or a cave | 32 | 5% | - |
Pokémon Mansion Pokemon Mansion (3F) | Walking in tall grass or a cave | 32 | 5% | - |
Pokémon Mansion Pokemon Mansion (B1F) | Walking in tall grass or a cave | 34 | 5% | - |
Normal
Shiny
Weezing
Poison Gas Pokémon
HP
65
Attack
90
Defense
120
Sp. Atk
85
Sp. Def
70
Speed
60
Total
490
Type Chart
Weaknesses
Takes 2× from
Resistances
Takes 0.5× from
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle |  |  Physical | 35 | 95 | 35 | A physical attack in which the user charges, full body, into the foe. |
| Start | Self-Destruct | | Physical | 200 | 100 | 5 | The user blows up to inflict severe damage, even making itself faint. |
| Start | Smog | |  Special | 20 | 70 | 20 | The foe is attacked with exhaust gases. It may also poison the foe. |
| Start | Poison Gas | |  Status | - | 55 | 40 | The foe is sprayed with a cloud of toxic gas that may poison the foe. |
| 9 | Smog | | Special | 20 | 70 | 20 | The foe is attacked with exhaust gases. It may also poison the foe. |
| 17 | Self-Destruct | | Physical | 200 | 100 | 5 | The user blows up to inflict severe damage, even making itself faint. |
| 21 | Sludge | | Special | 65 | 100 | 20 | Toxic sludge is hurled at the foe. It may poison the target. |
| 25 | Smokescreen | | Status | - | 100 | 20 | An obscuring cloud of smoke or ink reduces the foe’s accuracy. |
| 33 | Haze |  | Status | - | - | 30 | Eliminates all stat changes among all Pokémon engaged in battle. |
| 44 | Explosion | | Physical | 250 | 100 | 5 | The user explodes to inflict terrible damage even while fainting itself. |
| 51 | Destiny Bond |  | Status | - | - | 5 | If the user faints, the foe delivering the final hit also faints. |
| 58 | Memento |  | Status | - | 100 | 10 | The user faints, but sharply lowers the foe’s ATTACK and SP. ATK. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| HM05 | Flash | | Status | - | 70 | 20 | A blast of light that cuts the foe’s accuracy. It also illuminates caves. |
| TM06 | Toxic | | Status | - | 85 | 10 | A move that badly poisons the foe. Its poison damage worsens every turn. |
| TM10 | Hidden Power | | Special | 1 | 100 | 15 | An attack that varies in type and intensity depending on the user. |
| TM11 | Sunny Day |  | Status | - | - | 5 | The sun blazes for five turns, powering up FIRE-type moves. |
| TM12 | Taunt | | Status | - | 100 | 20 | The foe is taunted into a rage that allows it to use only attack moves. |
| TM15 | Hyper Beam | | Special | 150 | 90 | 5 | A severely damaging attack that makes the user rest on the next turn. |
| TM17 | Protect | | Status | - | - | 10 | Enables the user to evade all attacks. It may fail if used in succession. |
| TM18 | Rain Dance |  | Status | - | - | 5 | A heavy rain falls for five turns, powering up WATER- type moves. |
| TM21 | Frustration | | Physical | - | 100 | 20 | This attack move grows more powerful the less the user likes its TRAINER. |
| TM24 | Thunderbolt |  | Special | 95 | 100 | 15 | A strong electrical attack that may also leave the foe paralyzed. |
| TM25 | Thunder | | Special | 120 | 70 | 10 | A brutal lightning attack that may also leave the foe paralyzed. |
| TM27 | Return | | Physical | - | 100 | 20 | This attack move grows more powerful the more the user likes its TRAINER. |
| TM30 | Shadow Ball | | Special | 80 | 100 | 15 | A shadowy blob is hurled at the foe. May also lower the foe’s SP. DEF. |
| TM32 | Double Team | | Status | - | - | 15 | The user creates illusory copies of itself to raise its evasiveness. |
| TM34 | Shock Wave | | Special | 60 | - | 20 | A rapid jolt of electricity strikes the foe. It can’t be evaded. |
| TM35 | Flamethrower | | Special | 95 | 100 | 15 | The foe is scorched with intense flames. The foe may suffer a burn. |
| TM36 | Sludge Bomb | | Special | 90 | 100 | 10 | Filthy sludge is hurled at the foe. It may poison the target. |
| TM38 | Fire Blast | | Special | 120 | 85 | 5 | The foe is hit with an intense flame. It may leave the target with a burn. |
| TM41 | Torment | | Status | - | 100 | 15 | It enrages the foe, making it incapable of using the same move successively. |
| TM42 | Facade | | Physical | 70 | 100 | 20 | An attack that is boosted if user is burned, poisoned, or paralyzed. |
| TM43 | Secret Power | | Physical | 70 | 100 | 20 | An attack that may have an additional effect that varies with the terrain. |
| TM44 | Rest | | Status | - | - | 5 | The user sleeps for two turns to fully restore HP and heal any status problem. |
| TM45 | Attract | | Status | - | 100 | 15 | If it is the other gender, the foe is made infatuated and unlikely to attack. |
| TM46 | Thief | | Physical | 40 | 100 | 10 | An attack that may take the foe’s held item if the user isn’t holding one. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Explosion | | Physical | 250 | 100 | 5 | The user explodes to inflict terrible damage even while fainting itself. |
| Mimic | | Status | - | - | 10 | The user copies the move last used by the foe for the rest of the battle. |
| Substitute | | Status | - | - | 10 | The user creates a decoy using one- quarter of its full HP. |
Levitate
Not hit by GROUND attacks.
Evades Ground moves.
Neutralizing Gas
Neutralizes abilities of all Pokémon in battle.