Mewtwonite Y
Omega Ruby & Alpha Sapphire
Omega Ruby & Alpha SapphireShowing Omega Ruby & Alpha Sapphire. Items may require trading, an event, or downloadable content.
One of the mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve in battle
Category: Held Items
Sources: PokéAPI, PKHeX game records, Pokémon Showdown and Serebii.
