The Sinnoh Stone (Japanese: シンオウの石Sinnoh Stone) is a type of evolution stone that first became available in Pokémon GO on November 16, 2018. When used with 100, it evolves a compatible Pokémon into its cross-generational evolution from Generation IV. The Sinnoh Stone is required for all currently available cross-generational evolutions into Generation IV Pokémon.
Sinnoh Stone
The Sinnoh Stone can be acquired as a potential reward from: