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

PokémonPokémon %Item %Usage %Usage Δ
Toxapex 11.27732%74.564%8.40882% -0.9494%
Amoonguss 1.18997%67.309%0.80096% -0.12759%
Salazzle 0.33695%71.471%0.24082% 0.04782%
Tentacruel 0.46337%46.575%0.21581% -0.02092%
Gengar 0.95073%18.324%0.17421% 0.06157%
Crobat 0.2569%36.102%0.09275% 0.04415%
Muk (Alola Form) 1.27209%5.817%0.074% 0.074%
Nidoqueen 0.11893%45.011%0.05353% -0.07933%
Toxicroak 0.10292%27.411%0.02821% 0.00931%
Vileplume 0.10929%24.173%0.02642% 0.01598%
Nihilego 0.52164%4.691%0.02447% 0.02447%
Roserade 0.10898%16.656%0.01815% -0.00049%
Weezing 0.03136%43.549%0.01366% -0.00597%
Drapion 0.04298%26.754%0.0115% 0.00603%
Scolipede 0.40932%1.959%0.00802% 0.00152%
Venomoth 0.04602%12.658%0.00583% -0.00307%
Dragalge 0.03126%15.178%0.00474% -0.00858%
Qwilfish 0.05042%9.163%0.00462% 0.00075%
Arbok 0.01242%18.757%0.00233% 0.00233%
Garbodor 0.01325%3.432%0.00045% 0.00045%