Black Sludge

Effect

An item to be held by a Pokémon. It gradually restores HP to Poison-type Pokémon. It damages any other type.

Detailed mechanics

Activation conditions and exact figures that the in-game description leaves out. Taken from the Pokémon Showdown simulator source code (MIT), newest first; periods with identical mechanics are grouped.

Pokémon ChampionsNot available

Gen 4–9

At the end of every turn, a Poison-type holder restores 1/16 of its max HP; any other holder loses 1/8 of its max HP.

Example: with 175 max HP, it restores 10 HP or loses 21 HP (rounded down).

Pokémon that hold this in battle

VGC 20262026-09

Eternatus0.3%Muk (Alolan Form)80.8%Toxapex0%

Percentages are the share within each Pokémon in VGC 2026 (2026-09).

Source: Smogon (VGC 2024 reg.G)

OU (Singles)2026-09

Slowking (Galarian Form)5.2%Clodsire3%Weezing (Galarian Form)1.1%Venusaur0.1%Okidogi2.1%Overqwil0.4%Gengar1.1%Tentacruel0.8%Toxicroak0.4%Muk (Alolan Form)0.1%

Percentages are the share within each Pokémon in OU (Singles) (2026-09).

Source: Smogon (OU)

Doubles OU2026-09

Pecharunt0.2%Toxapex11.2%Clodsire3.2%

Percentages are the share within each Pokémon in Doubles OU (2026-09).

Source: Smogon (Doubles OU)

Items in the same category

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