No. 238 Returning · National Dex No. 109

Koffing

Poison Gas Pokémon

Poison

Height: 0.6 m (2′00″)
Weight: 1 kg (2.2 lb)
Gender: 50% male · 50% female
Catch rate: 190 of 255
Growth rate: Medium Slow
Egg groups: Amorphous
Egg cycles: 20
Base friendship: 70
EV yield: 1 Defense
Held in the wild: Smoke Ball rare

Abilities

LevitateNot hit by Ground attacks.
Stench, hidden abilityHelps repel wild Pokémon.

Koffing enjoy their own company, creating territories marked with their toxic stench to ward off others. Sulfuric environments are their favorite.

Base stats

Total340

The species’ own values, before level, training or nature. Bars end at 200.

Changed in Monomyth

Same types and base stats as in the main games (National Dex No. 109).

Evolution

No. 238KoffingPoison
1. Level 35
  No. 239WeezingPoison

Where to find it

Where	How	Levels	Chance
Elysium Base	Grass	Lv 15–60	20%
Fort Elderflower	Grass	Lv 50–55	30%
Route 18	Grass	Lv 42–47	20%
Route 19	Grass	Lv 43–46	10%

Moves

49 in all

Level up 17

Lv	Move	Category	Pow	Acc	PP
1	Poison Gas, Poison-typeA cloud of poison gas is sprayed in the faces of opposing Pokémon, poisoning those it hits.	Status	—	90%	40
1	Tackle, Normal-typeA physical attack in which the user charges and slams into the target with its whole body.	Physical	40	100%	35
4	Smog, Poison-typeThe target is attacked with a discharge of filthy gases. Has a 40% chance of poisoning.	Special	30	70%	20
7	Smokescreen, Normal-typeThe user releases an obscuring cloud of ink or smoke. This lowers the target’s Accuracy.	Status	—	100%	20
12	Assurance, Dark-typeIf the target has already lost HP in the same turn, this attack’s power is doubled.	Physical	60	100%	10
15	Clear Smog, Poison-typeThe user throws a special clump of mud at the target, resetting all its stat changes.	Special	50	—	15
18	Sludge, Poison-typeUnsanitary sludge is hurled at the target. It has a 30% chance of poisoning the target.	Special	65	100%	20
23	Self-Destruct, Normal-typeThe user explodes, striking every Pokémon around it. The user then faints.	Physical	130	100%	5
26	Haze, Ice-typeCreates a haze that eliminates every stat change among all the Pokémon in battle.	Status	—	—	30
29	Gyro Ball, Steel-typeA high-speed spinning tackle. Its power rises the slower the user is relative to the target.	Physical	—	100%	10
31	Stink Bomb, Poison-typeThe user attacks the target with a noxious wad of gas. It has a 30% chance of flinching.	Special	65	100%	15
38	Sludge Bomb, Poison-typeThe user hurls a massive wad of sludge at the the target. It has a 10% chance of poisoning.	Special	90	100%	10
42	Explosion, Normal-typeExplodes with immense power, striking every Pokémon around it. The user then faints.	Physical	170	100%	5
45	Destiny Bond, Ghost-typeIf the user faints, the Pokémon landing the final hit also faints. Fails if used in a row.	Status	—	—	5
47	Belch, Poison-typeThe user belches at the target. The user must eat a held Berry to use this move.	Special	120	90%	10
50	Memento, Dark-typeThe user faints, and then harshly lowers the target’s Atk and Sp. Atk stats.	Status	—	100%	10
67	Toxic Spikes, Poison-typeLays up to 2 layers of spikes at the opposing team, poisoning grounded switch-ins.	Status	—	—	20

TM and HM 21

TM	Move	Category	Pow	Acc	PP
TM05	Infestation, Bug-typeThe target is infested for 4-5 turns. It deals damage each turn and prevents escape.	Special	20	100%	20
TM06	Poison Gas, Poison-typeA cloud of poison gas is sprayed in the faces of opposing Pokémon, poisoning those it hits.	Status	—	90%	40
TM08	Endure, Normal-typeThe user endures any attack with at least 1 HP. It may fail if used in succession.	Status	—	—	10
TM10	Hidden Power, Normal-typeA unique attack that varies in type depending on the Pokémon using it.	Special	60	100%	15
TM11	Sunny Day, Fire-typeIntensifies the sun for 5 turns, which boosts Fire attacks by 50% and halves Water power.	Status	—	—	5
TM12	Explosion, Normal-typeExplodes with immense power, striking every Pokémon around it. The user then faints.	Physical	170	100%	5
TM17	Protect, Normal-typeThe user protects itself from incoming moves. It may fail if used in succession.	Status	—	—	10
TM18	Rain Dance, Water-typeSummons rain for 5 turns, which boosts Water attacks by 50% & halves Fire attack damage.	Status	—	—	5
TM21	Swagger, Normal-typeThe user enrages and confuses the target, but also sharply boosts the target’s Attack.	Status	—	85%	15
TM25	Purify, Poison-typeBy purifying the target of status conditions, the user restores its HP by 50% of its max HP.	Status	—	—	20
TM27	Return, Normal-typeA full-power attack that grows more powerful the more the user likes its Trainer.	Physical	—	100%	20
TM32	Curse, Ghost-typeA move that works differently for the Ghost-type than for all other types.	Status	—	—	10
TM34	Bolt Chain, Electric-typeAn electric attack that chains strikes over 5 turns, doubling in power each time it hits.	Physical	30	90%	20
TM36	Cross Poison, Poison-typeSlashes with poison blades with a 10% chance to poison. Critical hits land more often.	Physical	70	100%	20
TM38	Incinerate, Fire-typeOpposing Pokémon are torched with consuming flames, burning up their Berries and Gems.	Special	60	100%	15
TM41	Substitute, Normal-typeCreates a decoy using 25% of its HP, which absorbs attack damage and many status moves.	Status	—	—	10
TM42	Reflect Type, Normal-typeThe user reflects all of the target’s types, making the user’s types equal the target’s.	Status	—	—	15
TM43	Secret Power, Normal-typeAn attack whose added effects depend on the terrain. Can be used to make a Secret Base.	Physical	70	100%	20
TM44	Rest, Psychic-typeThe user sleeps for 2 turns, fully restoring its HP and healing any status conditions.	Status	—	—	5
TM47	Tri Attack, Normal-typeFires three types of beams. Has a 10% chance to freeze, paralyze, or burn the target.	Special	80	100%	10
TM50	Overheat, Fire-typeThe user overexerts itself with an intense inferno. This harshly lowers its Sp. Atk.	Special	130	90%	5

Egg moves 11

	Move	Category	Pow	Acc	PP
Egg	Grudge, Ghost-typeIf the user faints, the PP of the move that knocked it out is fully deleted.	Status	—	—	5
Egg	Pain Split, Normal-typeThe user adds its HP to the target’s HP, then equally shares the total HP with the target.	Status	—	—	20
Egg	Psybeam, Psychic-typeThe target is attacked with a peculiar ray. It has a 10% chance of confusing the target.	Special	65	100%	20
Egg	Psywave, Psychic-typeEmits an odd psychic wave, randomly dealing 50% to 150% of the user’s level in damage.	Special	—	100%	15
Egg	Screech, Normal-typeThe user emits an earsplitting screech that harshly lowers the target’s Defense stat.	Status	—	85%	40
Egg	Spit Up, Normal-typeReleases power stored by the move Stockpile. Each stockpile boosts the move’s power.	Special	—	100%	10
Egg	Spite, Ghost-typeThe user unleashes its grudge on the target’s last used move, reducing that move’s PP by 4.	Status	—	100%	10
Egg	Stockpile, Normal-typeFor up to 3 times, the user can charge up power to boost its Defense and Sp. Def stats.	Status	—	—	20
Egg	Swallow, Normal-typeAbsorbs power stored by the move Stockpile to heal HP. Storing more power heals more HP.	Status	—	—	10
Egg	Venom Drench, Poison-typeOpposing Pokémon have their Attack, Sp. Atk, and Speed stats lowered if they’re poisoned.	Status	—	100%	20
Egg	Will-O-Wisp, Fire-typeThe user shoots a sinister, purplish-white flame at the target to inflict a burn.	Status	—	85%	15

All sprites

Front

Back

Shiny front

Shiny back

Animation

The game’s own animation.

Details

Steps5
Length50 ticks of 1/60 second
Step 1Frame 1 for 10 ticks
Step 2Frame 2 for 10 ticks
Step 3Frame 1 for 10 ticks
Step 4Frame 2 for 10 ticks
Step 5Frame 1 for 10 ticks

Every frame 2

Frame 1used 3×

Frame 2used 2×

Coat Lab

65,025 possible coats

Usual colours, as in the Pokédex.

Quick guide 3 steps

Pick a coat for each colour group, with its odds. Strength slides the shift from 1 to 8.
Roll rolls a Pokémon’s coat the way the game does, from a random personality value.
Share the link holds the coat you made.

Colour group 1

Strength 1

Colour group 2

Strength 1

Colour group 3

Strength 1

Colour group 4

Strength 1

The in-game “Color Variants” option turns coats off. A shiny never gets a coat.

Pokémon Monomyth is a free fan game by Team Monomyth (monomyth.jp): Pokémon design, spritework, monster sounds and battle design are theirs. DexDB is an unofficial fan site, not affiliated with the team, Nintendo, Game Freak, Creatures or The Pokémon Company, and hosts no game files.