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Pokemon LeafGreen Version

386 Pokémon, 354 moves, 422 locations, 627 trainers.

Pokemon LeafGreen Version

Koffing

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Koffing artwork

Normal

Koffing sprite

Shiny

Shiny Koffing sprite
Poison

Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Pokédex #

109

Species

Poison Gas

Height

2'00"

Weight

2.2 lbs

Base Exp

114

Catch Rate

190

Gender

50% male / 50% female

Egg Hatch

About 5,120 steps (20 cycles)

Egg Groups

Amorphous / Amorphous

Growth Rate

Medium Fast (1,000,000 total XP)

Base Stats

Total

340

HP 40
Attack 65
Defense 95
Sp. Atk 60
Sp. Def 45
Speed 35

Stats at a Glance

Pick a level to compare a wild catch, a trainer's version, and a fully raised one.

Lv 1 Lv 50 Lv 100
Situation
HP
Attack
Defense
Sp. Atk
Sp. Def
Speed
Wild catch

A newly encountered one at this level.

 100-115 70-85 100-115 65-80 50-65 40-55
Trainer team

What enemy teams usually bring.

 108 79 108 73 58 48
Fully raised

A strong end-of-journey version.

 147 117 147 112 97 87

How To Get It

5 wild locations
0 special ways

Wild

5 places
Wild encounters up to Lv 40
Location
Method
Levels
Slot Odds
Celadon City Water Lv 30-40 1%
Pokemon Mansion 1F Grass Lv 28 5%
Pokemon Mansion 2F Grass Lv 28 5%
Pokemon Mansion 3F Grass Lv 28 5%
Pokemon Mansion B1F Grass Lv 28 5%

Fishing

Odds shown per cast.

This Pokémon is not found by fishing in Pokemon LeafGreen Version.

Special Ways

Trades, gifts, starters, prizes, and one-off encounters.

No special way to get this Pokémon is listed in this game.

Type Matchups

Weaknesses

2

Ground x2
Psychic x2

Resistances

4

Fighting x0.5
Poison x0.5
Bug x0.5
Grass x0.5

Immunities

0

No immunities in Pokemon LeafGreen Version.

Evolution Chain

2 stages ending at Weezing.

2 stages
  1. 1
    Koffing sprite
    Koffing
    #109
  2. 2
    Weezing sprite
    Weezing
    #110
    Level 35

Learnset

Move
Type
Category
Power
Accuracy
PP
Slot
Poison Gas
Poison
Status 0 55% 40 Slot 1
Tackle
Normal
Physical 35 95% 35 Slot 2
Level
Move
Type
Category
Power
Accuracy
PP
Lv 9 Smog
Poison
Physical 20 70% 20
Lv 17 Selfdestruct
Normal
Physical 200 100% 5
Lv 21 Sludge
Poison
Physical 65 100% 20
Lv 25 Smokescreen
Normal
Status 0 100% 20
Lv 33 Haze
Ice
Status 0 — 30
Lv 41 Explosion
Normal
Physical 250 100% 5
Lv 45 Destiny Bond
Ghost
Status 0 — 5
Lv 49 Memento
Dark
Status 0 100% 10
Move
Type
Category
Power
Accuracy
PP
How to get it
Screech
Normal
Status 0 85% 40 Breed from a parent that knows it
Psywave
Psychic
Special 1 80% 15 Breed from a parent that knows it
Psybeam
Psychic
Special 65 100% 20 Breed from a parent that knows it
Destiny Bond
Ghost
Status 0 — 5 Breed from a parent that knows it
Pain Split
Normal
Status 0 100% 20 Breed from a parent that knows it
Will-O-Wisp
Fire
Status 0 75% 15 Breed from a parent that knows it
Move
Type
Category
Power
Accuracy
PP
Machine
Toxic
Poison
Status 0 85% 10
TM06 (Toxic)
Hidden Power
Normal
Physical 1 100% 15
TM10 (Hidden Power)
Sunny Day
Fire
Status 0 — 5
TM11 (Sunny Day)
Taunt
Dark
Status 0 100% 20
TM12 (Taunt)
Protect
Normal
Status 0 — 10
TM17 (Protect)
Rain Dance
Water
Status 0 — 5
TM18 (Rain Dance)
Frustration
Normal
Physical 1 100% 20
TM21 (Frustration)
Thunderbolt
Electric
Special 95 100% 15
TM24 (Thunderbolt)
Thunder
Electric
Special 120 70% 10
TM25 (Thunder)
Return
Normal
Physical 1 100% 20
TM27 (Return)
Shadow Ball
Ghost
Physical 80 100% 15
TM30 (Shadow Ball)
Double Team
Normal
Status 0 — 15
TM32 (Double Team)
Shock Wave
Electric
Special 60 — 20
TM34 (Shock Wave)
Flamethrower
Fire
Special 95 100% 15
TM35 (Flamethrower)
Sludge Bomb
Poison
Physical 90 100% 10
TM36 (Sludge Bomb)
Fire Blast
Fire
Special 120 85% 5
TM38 (Fire Blast)
Torment
Dark
Status 0 100% 15
TM41 (Torment)
Facade
Normal
Physical 70 100% 20
TM42 (Facade)
Secret Power
Normal
Physical 70 100% 20
TM43 (Secret Power)
Rest
Psychic
Status 0 — 10
TM44 (Rest)
Attract
Normal
Status 0 100% 15
TM45 (Attract)
Thief
Dark
Physical 40 100% 10
TM46 (Thief)
Flash
Normal
Status 0 70% 20
HM05 (Flash)

Breeding Partners

Koffing can pair with Pokémon in the Amorphous egg group. Ditto works too. Use a listed Pokémon with a compatible gender at the Day Care.

Amorphous
23 partners
Ditto sprite Ditto Ditto partner Ditto can pair with this Pokémon regardless of gender. Grimer sprite Grimer Amorphous Shares the Amorphous egg group. Muk sprite Muk Amorphous Shares the Amorphous egg group. Gastly sprite Gastly Amorphous Shares the Amorphous egg group. Haunter sprite Haunter Amorphous Shares the Amorphous egg group. Gengar sprite Gengar Amorphous Shares the Amorphous egg group. Koffing sprite Koffing Amorphous Another Koffing works if the pair has opposite genders. Weezing sprite Weezing Amorphous Shares the Amorphous egg group. Misdreavus sprite Misdreavus Amorphous Shares the Amorphous egg group. Wobbuffet sprite Wobbuffet Amorphous Shares the Amorphous egg group. Slugma sprite Slugma Amorphous Shares the Amorphous egg group. Magcargo sprite Magcargo Amorphous Shares the Amorphous egg group. Ralts sprite Ralts Amorphous Shares the Amorphous egg group. Kirlia sprite Kirlia Amorphous Shares the Amorphous egg group. Gardevoir sprite Gardevoir Amorphous Shares the Amorphous egg group. Gulpin sprite Gulpin Amorphous Shares the Amorphous egg group. Swalot sprite Swalot Amorphous Shares the Amorphous egg group. Castform sprite Castform Amorphous Shares the Amorphous egg group. Shuppet sprite Shuppet Amorphous Shares the Amorphous egg group. Banette sprite Banette Amorphous Shares the Amorphous egg group. Duskull sprite Duskull Amorphous Shares the Amorphous egg group. Dusclops sprite Dusclops Amorphous Shares the Amorphous egg group. Chimecho sprite Chimecho Amorphous Shares the Amorphous egg group.