|(ヘドロばくだん Sludge Bomb)|
|Secondary Effect:||May poison|
It is a damage inflicting move but also has a 30% chance of poisoning the target.
Outside of Battle
It has no other effect outside of battle.
- Sludge Bomb is more powerful than Sludge, but has less PP.
- Only 8 Pokémon can learn it by leveling up; Grimer, Muk, Koffing, Weezing, Gulpin, Swalot, Croagunk, and Toxicroak.
- Pokémon with the ability Serene Grace benefit from this move.