Mewtwonite Y
Mega Stones
Effect
Held: Allows Mewtwo to Mega Evolve into Mega Mewtwo Y.
Description
One of a variety of mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.
Mega Stones
One of a variety of mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.