mega-stones
Mewtwonite Y
One variety of the mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.
Fling Data
Fling Power80
Detailed Effect
Held: Allows Mewtwo to Mega Evolve into Mega Mewtwo Y.
One variety of the mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.
Held: Allows Mewtwo to Mega Evolve into Mega Mewtwo Y.