Koffing¶

Poison Gas Pokémon

#109

Poison

Koffing ROM Changes

Level-up Moves Changes:

26 moves → 20 moves

Machine Moves Changes:

30 moves → 31 moves (added: sludge-wave)

Basic Information¶

Abilities
- Levitate
Physical Attributes

Height: 0.6 m

Weight: 1.0 kg
Training

Base Experience: 68

Base Happiness: 70

Capture Rate: 190

Growth Rate: Medium

Habitat: Urban

EV Yield: +1 Defense
Breeding

Gender Ratio: 50.0% ♂ / 50.0% ♀

Egg Groups: Indeterminate

Hatch Counter: 20 cycles
Classification

Generation: Generation I

Color: Purple

Shape: Ball

Wild Held Items¶

These items can be found when catching or defeating this Pokémon in the wild:

Item	Black	White	Black 2	White 2
Smoke Ball	5%	5%	5%	5%

Type Effectiveness¶

Weak To

2× Damage

Ground Psychic
Resists

½× Damage

Bug Fairy Fighting Grass Poison

Base Stats¶

Stat	Base	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
Base Stat Total	340

Min/Max Stats: Calculated at Level 100.

Min: 0 IVs, 0 EVs, hindering nature (0.9×) for non-HP stats

Max: 31 IVs, 252 EVs, beneficial nature (1.1×) for non-HP stats

Evolution Chain¶

Stage 1¶

#109 Koffing

You are here

Stage 2¶

#110 Weezing

Level 35

Pokédex Entries¶

Black White Black 2 White 2

Lighter-than-air gases in its body keep it aloft. The gases not only smell, they are also explosive.

Toxic gas is held within its thin, balloon-shaped body, so it can cause massive explosions.

Moves¶

Level-Up TM/HM Egg Moves Tutor

Level	Move	Type	Category	Power	Accuracy	PP
1	Tackle	Normal	Physical	50	100	30
1	Smog	Poison	Special	35	90	20
4	Uproar	Normal	Special	90	100	10
7	Smokescreen	Normal	Status	—	100	20
9	Screech	Normal	Status	—	85	40
12	Assurance	Dark	Physical	60	100	10
15	Haze	Ice	Status	—	—	30
17	Clear Smog	Poison	Special	50	—	15
19	Psybeam	Psychic	Special	65	100	20
22	Lava Plume	Fire	Special	80	100	15
25	Sludge	Poison	Special	70	100	15
28	Pain Split	Normal	Status	—	—	20
31	Toxic Spikes	Poison	Status	—	—	20
34	Gyro Ball	Steel	Physical	—	100	5
37	Spite	Ghost	Status	—	100	10
40	Sludge Bomb	Poison	Special	90	100	10
44	Explosion	Normal	Physical	250	100	5
48	Destiny Bond	Ghost	Status	—	—	5
52	Memento	Dark	Status	—	100	10
56	Grudge	Ghost	Status	—	—	5

Move	Type	Category	Power	Accuracy	PP
Attract	Normal	Status	—	100	15
Double Team	Normal	Status	—	—	15
Explosion	Normal	Physical	250	100	5
Facade	Normal	Physical	70	100	20
Fire Blast	Fire	Special	110	85	5
Flamethrower	Fire	Special	90	100	10
Flash	Normal	Status	—	100	20
Frustration	Normal	Physical	—	100	20
Gyro Ball	Steel	Physical	—	100	5
Hidden Power	Normal	Special	60	100	15
Incinerate	Fire	Special	60	100	15
Payback	Dark	Physical	50	100	10
Protect	Normal	Status	—	—	10
Rain Dance	Water	Status	—	—	5
Rest	Psychic	Status	—	—	5
Return	Normal	Physical	—	100	20
Round	Normal	Special	60	100	15
Shadow Ball	Ghost	Special	80	100	10
Sludge Bomb	Poison	Special	90	100	10
Sludge Wave	Poison	Special	95	100	10
Substitute	Normal	Status	—	—	10
Sunny Day	Fire	Status	—	—	5
Swagger	Normal	Status	—	85	15
Taunt	Dark	Status	—	100	20
Thief	Dark	Physical	50	100	15
Thunder	Electric	Special	110	70	5
Thunderbolt	Electric	Special	90	100	10
Torment	Dark	Status	—	100	15
Toxic	Poison	Status	—	90	10
Venoshock	Poison	Special	65	100	15
Will O Wisp	Fire	Status	—	85	15

Move	Type	Category	Power	Accuracy	PP
Curse	Ghost	Status	—	—	10
Destiny Bond	Ghost	Status	—	—	5
Grudge	Ghost	Status	—	—	5
Pain Split	Normal	Status	—	—	20
Psybeam	Psychic	Special	65	100	20
Psywave	Psychic	Special	—	100	15
Screech	Normal	Status	—	85	40
Spit Up	Normal	Special	—	100	10
Spite	Ghost	Status	—	100	10
Stockpile	Normal	Status	—	—	20
Swallow	Normal	Status	—	—	10

Move	Type	Category	Power	Accuracy	PP
Dark Pulse	Dark	Special	80	—	10
Pain Split	Normal	Status	—	—	20
Sleep Talk	Normal	Status	—	—	10
Snore	Normal	Special	50	100	15
Spite	Ghost	Status	—	100	10
Uproar	Normal	Special	90	100	10