Koffing

Poison

Route 7 · Lv 19-30 Open in the guide Compare

In Yellow Legacy: First found in Route 7 (Grass, Lv 19-30). Its type (Poison) and base stats (total 355) are the same as in the official games. 2 of its 9 level-up moves are new compared with Pokémon Yellow: Acid and Amnesia.

Level-up moves 9

Lv	Move	Type	Cat	Pow	Acc	PP
1	Smog Has a chance to poison the target.	Poison	Phys	40	80	20
1	Tackle Inflicts regular damage with no additional effect.	Normal	Phys	35	100	35
23	Acid Has a chance to lower the target’s Special Defense by one stage.	Poison	Phys	65	100	30
27	Smokescreen Lowers the target’s accuracy by one stage.	???	Stat	—	100	20
33	Sludge Has a chance to poison the target.	Poison	Phys	90	100	20
38	Amnesia Raises the user’s Special Defense by two stages.	???	Stat	—	100	20
40	Selfdestruct User faints.	Normal	Phys	200	100	5
45	Haze Resets all Pokémon’s stats, accuracy, and evasion.	???	Stat	—	100	30
48	Explosion User faints.	Normal	Phys	250	100	5

* a legal move, just moved to level-up · ** new to this game

TMs & HMs 13

#	Move · where to get it	Type	Pow
TM04	Flamethrower Rocket Hideout — B4F	Fire	95
TM06	Toxic Fuchsia City Gym	Poison	—
TM20	Rage Route 15	Normal	60
TM24	Thunderbolt Vermilion City Gym	Electric	95
TM25	Thunder Kanto Power Plant	Electric	120
TM31	Mimic Copycat's House — 2F	???	—
TM32	Double Team Safari Zone — West	???	—
TM34	Bide Pewter City Gym	???	—
TM36	Selfdestruct Silph Co. — 2F	Normal	200
TM38	Fire Blast Cinnabar Island Gym	Fire	120
TM44	Rest S.S. Anne B1F Rooms	???	—
TM47	Explosion Victory Road — 3F	Normal	250
TM50	Substitute Game Corner Prize Room (Celadon City) — 3,000 coins	???	—

Where to find Koffing

Area	Method	Level
Route 7	Grass	19-30

Other changes in this game

Evolves into Weezing at level 35
The Poison Gas Pokémon
0.6 m, 0.9 kg
Catch rate 190
Base experience 114
Growth rate: Medium Fast