The '''Black Sludge''' (Japanese: '''くろいヘドロ''' ''Black Sludge'') is a type of [[held item]] introduced in [[Generation IV]]. It is an [[in-battle effect item]] that heals the holder if it is {{type|Poison}}, but damages the holder otherwise.
The '''Black Sludge''' (Japanese: '''くろいヘドロ''' ''Black Sludge'') is a type of [[held item]] introduced in [[Generation IV]]. It heals the holder if it is {{type|Poison}}, but damages the holder otherwise.
The Black Sludge (Japanese: くろいヘドロBlack Sludge) is a type of held item introduced in Generation IV. It heals the holder if it is Poison-type, but damages the holder otherwise.
If held by a Poison-type Pokémon, the holder restores 1/16 of its maximum HP (rounded down, but not less than 1) at the end of each turn.
If held by a Pokémon that is not Poison-type, the holder takes damage equal to 1/8 of its maximum HP (rounded down, but not less than 1) at the end of each turn. Pokémon with the AbilityMagic Guard are immune to this damage.