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 11.93224%78.428%9.35822% -0.45446%
Amoonguss 1.34174%69.205%0.92855% -0.00755%
Tentacruel 0.40627%58.271%0.23674% -0.01456%
Salazzle 0.28893%66.797%0.193% 0.07545%
Nidoqueen 0.18604%71.417%0.13286% 0.02293%
Gengar 1.15247%9.774%0.11264% -0.00608%
Crobat 0.24537%19.806%0.0486% 0.02712%
Weezing 0.0419%46.836%0.01962% 0.00342%
Toxicroak 0.09377%20.162%0.01891% -0.00649%
Roserade 0.11516%16.185%0.01864% -0.03746%
Dragalge 0.04674%28.517%0.01333% -0.00023%
Vileplume 0.02803%37.254%0.01044% 0.00556%
Venomoth 0.0596%14.917%0.00889% 0.0035%
Scolipede 0.55%1.182%0.0065% -0.02843%
Drapion 0.03212%17.034%0.00547% -0.00043%
Qwilfish 0.08408%4.605%0.00387% 0.00226%