Koffing

#114 in the Gold and Silver Pokédex • Poison Gas Pokémon

Koffing

#114 in the Gold and Silver Pokédex • Poison Gas Pokémon

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

190

284

Attack

121

251

Defense

175

317

Sp. Atk

112

240

Sp. Def

207

Speed

185

Total

340

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Hitmontop

Weezing

Normal

Shiny

Koffing

Poison Gas Pokémon

#114

Height

0.6 m (2'00")

Weight

1 kg (2.2 lbs)

It's Super Effective

Damage multipliers Koffing takes from each attacking type, sorted from worst weakness to best resistance.

Weak to

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

Pokédexes	Original Johto #114
EV yield	1 Def
Catch rate	190
Base Exp.	68

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg Groups	Amorphous
Gender	50% male 50% female
Egg cycles	20 (5,120 steps)

Lore

Version-specific Pokédex entries for this Pokémon.

Pokémon Gold

Its thin, filmy body is filled with gases that cause constant sniffles, coughs and teary eyes.

Pokémon Silver

The poisonous gases it contains are a little bit lighter than air, keeping it slight ly airborne.

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Koffing #114	Level 35	Weezing #115

Encounters

Known encounter locations for this Pokémon in this game.

Gold

Location	Method	Level	Chance	Conditions
Burned Tower Burned Tower (1F)	Walking in tall grass or a cave	14	30%	-
Burned Tower Burned Tower (1F)	Walking in tall grass or a cave	16	5%	-
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	During the day
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	In the morning
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	At night
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	During the day
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	In the morning
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	At night
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-

Silver

Location	Method	Level	Chance	Conditions
Burned Tower Burned Tower (1F)	Walking in tall grass or a cave	14	30%	-
Burned Tower Burned Tower (1F)	Walking in tall grass or a cave	16	5%	-
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	During the day
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	In the morning
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	14	30%	At night
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	During the day
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	In the morning
Burned Tower Burned Tower (B1F)	Walking in tall grass or a cave	16	20%	At night
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-
Team Rocket HQ	Static encounter, only one chance	21	100%	-

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Tackle	Physical	35	95	35	A full-body charge attack.
Start	Poison Gas	Status	-	55	40	A move that may poison the foe.
9	Smog	Physical	20	70	20	An attack that may poison the foe.
17	Self-Destruct	Physical	200	100	5	Powerful but makes the user faint.
21	Sludge	Physical	65	100	20	An attack that may poison the foe.
25	Smokescreen	Status	-	100	20	Lowers the foe's accuracy.
33	Haze	Status	-	-	30	Eliminates all stat changes.
41	Explosion	Physical	250	100	5	Very powerful but makes user faint.
45	Destiny Bond	Status	-	-	5	The foe faints if the user does.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Gold and Silver.

		Class				Description
TM03	Curse	Status	-	-	10	Works differently for ghost-types.
TM04	Rollout	Physical	30	90	20	Attacks 5 turns with rising power.
TM06	Toxic	Status	-	85	10	A poison move with increasing damage.
TM07	Zap Cannon	Special	100	50	5	An attack that always paralyzes.
TM10	Hidden Power	Physical	1	100	15	The power varies with the Pokémon.
TM11	Sunny Day	Status	-	-	5	Boosts fire-type moves for 5 turns.
TM13	Snore	Physical	40	100	15	An attack useable only while asleep.
TM17	Protect	Status	-	-	10	Foils attack that turn. It may fail.
TM20	Endure	Status	-	-	10	Always leaves at least 1HP.
TM21	Frustration	Physical	-	100	20	An attack based on lack of loyalty.
TM25	Thunder	Special	120	70	10	An attack that may cause paralysis.
TM27	Return	Physical	-	100	20	An attack that is based on loyalty.
TM32	Double Team	Status	-	-	15	Heightens evasive ness.
TM34	Swagger	Status	-	90	15	Causes confusion and raises ATTACK.
TM35	Sleep Talk	Status	-	-	10	Randomly attacks while asleep.
TM36	Sludge Bomb	Physical	90	100	10	An attack that may poison the foe.
TM38	Fire Blast	Special	120	85	5	An attack that may cause a burn.
TM44	Rest	Status	-	-	5	Sleep for 2 turns to fully recover.
TM45	Attract	Status	-	100	15	Makes the opposite gender infatuated.
TM46	Thief	Special	40	100	10	An attack that may steal a held item.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Destiny Bond	Status	-	-	5	The foe faints if the user does.
Pain Split	Status	-	-	20	Adds user & foe's HPs. Shares total.
Psybeam	Special	65	100	20	An attack that may confuse the foe.
Psywave	Special	-	80	15	An attack with variable power.
Screech	Status	-	85	40	Sharply reduces the foe's DEFENSE.

#146

Hitmontop

#115

Weezing

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Koffing

Weak to

Resists

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Koffing