"One of a variety of mysterious Mega Stones. Have Diancie hold it, and this stone will enable it to Mega Evolve during battle."
Effect
Held: Allows Diancie to Mega Evolve into Mega Diancie.
Availability
Category
Mega Stones
Cost
Cannot be bought.
Game Availability
Sun MoonUltra Sun Ultra MoonLets Go Pikachu Lets Go EeveeSword Shield