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 10.35668%81.803%8.47207% 0.55099%
Amoonguss 1.09335%70.227%0.76783% -0.13459%
Tentacruel 0.91473%59.937%0.54826% -0.04989%
Salazzle 0.6971%31.435%0.21913% -0.02861%
Gengar 2.20711%8.239%0.18184% 0.00924%
Crobat 0.67224%25.064%0.16849% -0.01517%
Muk (Alola Form) 1.45284%10.258%0.14903% -0.02991%
Weezing 0.1943%63.116%0.12263% -0.00666%
Roserade 0.42242%24.343%0.10283% -0.00526%
Venusaur 0.93766%9.227%0.08652% -0.00969%
Scolipede 0.97783%6.919%0.06766% -0.00701%
Toxicroak 0.32061%17.219%0.05521% 0.00014%
Dragalge 0.15447%32.525%0.05024% -0.00723%
Vileplume 0.09184%53.979%0.04957% 0.0047%
Nihilego 0.87792%5.631%0.04944% -0.00405%
Nidoqueen 0.1658%26.455%0.04386% -0.00272%
Drapion 0.22783%18.833%0.04291% -0.00643%
Muk 0.03288%55.951%0.0184% -0.0009%
Venomoth 0.09704%16.986%0.01648% -0.00139%
Nidoking 1.2293%1.184%0.01455% -0.00232%
Arbok 0.04656%30.869%0.01437% -0.00472%
Garbodor 0.03507%36.925%0.01295% 0.00042%
Qwilfish 0.09058%10.813%0.00979% -0.0017%
Skuntank 0.03105%30.165%0.00937% -0.00226%
Victreebel 0.18197%3.844%0.00699% 0.00278%
Dustox 0.01293%43.343%0.0056% -0.0056%
Swalot 0.01156%37.373%0.00432% -0.00219%
Ariados 0.04808%8.167%0.00393% 0.00032%
Xatu 0.23933%1.22%0.00292% 0.00292%
Totem Salazzle 0.01121%14.351%0.00161% 0.00161%
Seviper 0.02486%5.635%0.0014% -0.00001%
Carbink 0.05931%0.813%0.00048% 0.00048%
Haunter 0.02184%2.042%0.00045% -0.00023%
Lopunny 0.03582%1.24%0.00044% 0.00044%
Furret 0.02368%1.744%0.00041% 0.00027%
Oranguru 0.01496%1.661%0.00025% 0.0001%