A peculiar stone that can make certain species of Pokémon evolve. It is as black as the night sky.

Used on a party Pokémon : Evolves a []{pokemon:clefairy} into []{pokemon:clefable}, a []{pokemon:jigglypuff} into []{pokemon:wigglytuff}, a []{pokemon:munna} into []{pokemon:musharna}, a []{pokemon:nidorina} into []{pokemon:nidoqueen}, a []{pokemon:nidorino} into []{pokemon:nidoking}, or a []{pokemon:skitty} into []{pokemon:delcatty}.