PKMN.NET :: Dex :: Black Sludge
DEX -
ITEMS: Black Sludge

In-game description: A hold item that gradually restores the HP of Poison-type Pokémon. It inflicts damage on all other types.
Price: 200

Technical explanation and other notes
Pokemon that have a poison type heal 1/16th of maximum HP at the end of each turn. Other Pokemon are damaged for 1/16th of maximum HP at the end of each turn.

Fling: 30 base power. Side effect: No additional effects