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 11.91737%80.744%9.62256% 1.22414%
Amoonguss 1.42565%71.557%1.02015% -0.2404%
Tentacruel 0.46106%43.523%0.20067% -0.0395%
Salazzle 0.23719%61.404%0.14564% 0.02038%
Nidoqueen 0.13013%71.03%0.09243% 0.06444%
Gengar 1.38271%6.433%0.08895% 0.01831%
Roserade 0.14942%33.222%0.04964% -0.1363%
Muk (Alola Form) 0.96387%4.917%0.04739% -0.02913%
Toxicroak 0.12225%28.447%0.03478% 0.00211%
Weezing 0.02495%86.189%0.0215% 0.00122%
Dragalge 0.05943%34.899%0.02074% 0.00521%
Crobat 0.1811%9.714%0.01759% -0.01591%
Ariados 0.01782%70.135%0.0125% 0.00572%
Nihilego 0.40031%2.829%0.01132% -0.01072%
Venusaur 0.703%1.573%0.01106% 0.01106%
Venomoth 0.06644%14.48%0.00962% -0.00024%
Vileplume 0.01286%73.228%0.00942% -0.00649%
Drapion 0.03742%22.111%0.00827% -0.01564%
Qwilfish 0.08878%2.274%0.00202% -0.00162%
Liepard 0.01031%0.708%0.00007% 0.00007%