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Koffing

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Koffing in Pokémon Crystal

#114 in the Crystal Pokédex • Poison Gas Pokémon

Koffing in the National Pokédex
Koffing sprite

Normal

Shiny Koffing sprite

Shiny

Pokédex entries

Pokémon Crystal

If one gets close enough to it when it expels poisonous gas, the gas swirling inside it can be seen.

Pokémon details

Type

Poison

Category

Poison Gas Pokémon

Height

0.6 m (2'00")

Weight

1 kg (2.2 lbs)

National Pokédex

#0109

Koffing in Other Games

National Dex page

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

Min

Max

HP

40

190

283

Attack

65

135

228

Defense

95

195

288

Sp. Atk

60

125

218

Sp. Def

45

95

188

Speed

35

75

168

Total

340

Ranges are for Level 100. Max assumes 15 DVs and maxed Stat Experience; min assumes 0 DVs and no Stat Experience. Special Attack and Special Defense share a DV and Stat Experience.

Type-only matchups for Koffing, sorted from worst weakness to best resistance. Abilities, held items and battle conditions can change the damage taken.

Stat Experience is gained in five stats. Special is shared by Special Attack and Special Defense; each stat can reach 65,535.
Pokédexes
Original Johto #114
Stat Experience
40 HP, 65 Atk, 95 Def, 35 Spe, 60 Special
Catch rate
190
Base Exp.
114

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg groups
Gender
50% male
50% female
Egg cycles
20 cycles (5,120 nominal steps)

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Koffing

Koffing

#114

Level 35

Weezing

Weezing

#115

Known encounter locations for this Pokémon in this game.
Crystal
LocationMethodLevelChanceConditions

Burned Tower

Burned Tower (1F)

Walking in tall grass or a cave1430%

-

Burned Tower

Burned Tower (B1F)

Walking in tall grass or a cave1430%

-

Burned Tower

Burned Tower (B1F)

Walking in tall grass or a cave1620%

-

Burned Tower

Burned Tower (B1F)

Walking in tall grass or a cave125%

-

Burned Tower

Burned Tower (B1F)

Walking in tall grass or a cave164%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Team Rocket HQ

Static encounter, only one chance21100%

-

Moves this Pokémon learns naturally by reaching specific levels.
Class
StartTackle

A full-body charge attack.

Normal359535
StartPoison Gas

A move that may poison the foe.

Poison-5540
9Smog

An attack that may poison the foe.

Poison207020
17Self-Destruct

Powerful but makes the user faint.

Normal2001005
21Sludge

An attack that may poison the foe.

Poison6510020
25Smokescreen

Lowers the foe's accuracy.

Normal-10020
33Haze

Eliminates all stat changes.

Ice--30
41Explosion

Very powerful but makes user faint.

Normal2501005
45Destiny Bond

The foe faints if the user does.

Ghost--5

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Crystal.
Class
TM03Curse

Works differently for ghost-types.

???--10
TM04Rollout

Attacks 5 turns with rising power.

Rock309020
TM06Toxic

A poison move with increasing damage.

Poison-8510
TM07Zap Cannon

An attack that always paralyzes.

Electric100505
TM10Hidden Power

The power varies with the Pokémon.

Type varies by DVs

31–7010015
TM11Sunny Day

Boosts fire-type moves for 5 turns.

Fire--5
TM13Snore

An attack useable only while asleep.

Normal4010015
TM17Protect

Foils attack that turn. It may fail.

Normal--10
TM20Endure

Always leaves at least 1HP.

Normal--10
TM21Frustration

An attack based on lack of loyalty.

Normal-10020
TM25Thunder

An attack that may cause paralysis.

Electric1207010
TM27Return

An attack that is based on loyalty.

Normal-10020
TM32Double Team

Heightens evasiveness.

Normal--15
TM34Swagger

Causes confusion and raises ATTACK.

Normal-9015
TM35Sleep Talk

Randomly attacks while asleep.

Normal--10
TM36Sludge Bomb

An attack that may poison the foe.

Poison9010010
TM38Fire Blast

An attack that may cause a burn.

Fire120855
TM44Rest

Sleep for 2 turns to fully recover.

Psychic--10
TM45Attract

Makes the opposite gender infatuated.

Normal-10015
TM46Thief

An attack that may steal a held item.

Dark4010010

Moves this Pokémon can learn from move tutors in this game.
Class
Flamethrower

An attack that may inflict a burn.

Fire9510015
Thunderbolt

An attack that may cause paralysis.

Electric9510015

Moves this Pokémon can inherit through breeding or similar methods.
Class
Destiny Bond

The foe faints if the user does.

Ghost--5
Pain Split

Adds user & foe's HPs. Shares total.

Normal-10020
Psybeam

An attack that may confuse the foe.

Psychic6510020
Psywave

An attack with variable power.

Psychic-8015
Screech

Sharply reduces the foe's DEFENSE.

Normal-8540

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