#109 · Pokémon Emerald Rule-ette · unchanged from the official games
Koffing
PoisonLevitate, Neutralizing Gas, Stench (hidden)
In Emerald Rule-ette: First found in Fiery Path (Grass, Lv 14-16), and in 1 more area. Its type (Poison), base stats (total 340) and abilities are the same as in the official games. 5 of its 15 level-up moves are new compared with Pokémon Emerald, including Clear Smog and Assurance.
Level-up moves 15
| Lv | Move | Type | Cat | Pow | Acc | PP |
|---|---|---|---|---|---|---|
| 1 | Poison Gas Envelops the foes in a toxic gas that may poison. | Poison | Stat | — | 90 | 40 |
| 1 | Tackle Charges the foe with a full- body tackle. | Normal | Phys | 40 | 100 | 35 |
| 4 | Smog An exhaust-gas attack that may also poison. | Poison | Spec | 30 | 70 | 20 |
| 8 | Smokescreen Lowers the foe's accuracy using smoke, ink, etc. | Normal | Stat | — | 100 | 20 |
| 12 | Clear Smog Attacks with white haze that eliminates all stat changes. | Poison | Spec | 50 | — | 15 |
| 16 | Assurance An attack that gains power if the foe has been hurt. | Dark | Phys | 60 | 100 | 10 |
| 20 | Sludge Sludge is hurled to inflict damage. May also poison. | Poison | Spec | 65 | 100 | 20 |
| 24 | Haze Creates a black haze that eliminates all stat changes. | Ice | Stat | — | — | 30 |
| 28 | Self-Destruct Inflicts severe damage but makes the user faint. | Normal | Phys | 200 | 100 | 5 |
| 32 | Sludge Bomb Sludge is hurled to inflict damage. May also poison. | Poison | Spec | 90 | 100 | 10 |
| 36 | Toxic Poisons the foe with an intensifying toxin. | Poison | Stat | — | 90 | 10 |
| 40 | Belch Lets out a loud belch. Must eat a Berry to use it. | Poison | Spec | 120 | 90 | 10 |
| 44 | Explosion Inflicts severe damage but makes the user faint. | Normal | Phys | 250 | 100 | 5 |
| 48 | Memento The user faints and harshly lowers foes Atk and Sp.Atk. | Dark | Stat | — | 100 | 10 |
| 52 | Destiny Bond If the user faints, the foe is also made to faint. | Ghost | Stat | — | — | 5 |
* a legal move, just moved to level-up · ** new to this game
TMs & HMs 19
| # | Move · where to get it | Type | Pow |
|---|---|---|---|
| TM06 | Toxic Fiery Path (pick up) | Poison | — |
| TM11 | Sunny Day Scorched Slab (pick up) | Fire | — |
| TM12 | Taunt Route 110 — Trick House End (pick up); Route 110 — Trick House Entrance (pick up) | Dark | — |
| TM17 | Protect Lilycove City — Department Store 4F (buy) | Normal | — |
| TM18 | Rain Dance Abandoned Ship — Hidden Floor Rooms (pick up) | Water | — |
| TM24 | Thunderbolt Mauville City (pick up); Mauville City — Game Corner (pick up) | Electric | 90 |
| TM25 | Thunder Lilycove City — Department Store 4F (buy) | Electric | 110 |
| TM30 | Shadow Ball Mt. Pyre — 6F (pick up) | Ghost | 80 |
| TM32 | Double Team Mauville City — Game Corner (pick up); Route 113 (hidden) | Normal | — |
| TM34 | Shock Wave Mauville City Gym (pick up) | Electric | 60 |
| TM35 | Flamethrower Mauville City — Game Corner (pick up) | Fire | 90 |
| TM36 | Sludge Bomb Dewford Town — Hall (pick up) | Poison | 90 |
| TM38 | Fire Blast Lilycove City — Department Store 4F (buy) | Fire | 110 |
| TM41 | Torment Slateport City — Battle Tent Lobby (pick up) | Dark | — |
| TM42 | Facade Petalburg City Gym (pick up) | Normal | 70 |
| TM44 | Rest Lilycove City — House 2 (pick up) | Psychic | — |
| TM45 | Attract Verdanturf Town — Battle Tent Lobby (pick up) | Normal | — |
| TM46 | Thief Slateport City — Oceanic Museum 1F (pick up) | Dark | 60 |
| HM05 | Flash Granite Cave — 1F (pick up) | Normal | — |
Where to find Koffing
| Area | Method | Level | |
|---|---|---|---|
| Fiery Path | Grass | 14-16 | |
| Magma Hideout | Grass | 27-33 |
Other changes in this game
- Egg moves: Screech, Psywave, Psybeam, Destiny Bond, Pain Split, Grudge, Spite, Curse, Stockpile, Swallow, Spit Up, Toxic Spikes, Venom Drench
- Evolves into Weezing at Level 35