Black Sludge

Black Sludgeくろいヘドロ Black Sludge
Current
Information
Introduced in	Generation IV
Type	Item
Buying price	3,000
Selling price	2,000
Descriptions
Generation IV	A held item that gradually restores the HP of Poison-type Pokémon. It inflicts damage on all other types.
Generation V	A held item that gradually restores the HP of Poison-type Pokémon. It inflicts damage on all other types.
Generation VI	An item to be held by a Pokémon. It gradually restores HP to Poison-type Pokémon. It damages any other type.
Generation VII	An item to be held by a Pokémon. It gradually restores HP to Poison-type Pokémon. It damages any other type.
Generation VIII	An item to be held by a Pokémon. It gradually restores HP to Poison-type Pokémon. It damages any other type.

Black Sludge is an item in Generation IV. Before Generation VIII, it could be sold for 100.

When held by a Poison-type Pokémon, it restores 1/16 of its maximum HP at the end of each turn. If held by a Pokémon that is not Poison type, it loses 1/16 of its maximum HP each turn instead.

They can be found on wild Croagunks and Toxicroaks in the Sinnoh region games while in Pokémon HeartGold and SoulSilver, Black Sludge can also be found in Cerulean Cave. In Pokémon Sun and Moon, and Ultra Sun and Moon, there is a 5% chance of wild Alolan Grimer holding them.

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