Master Balls are a special type of Poke Balls that ... You can use it on any wild Pokémon, whether it’s a legendary like Mewtwo, a mythical like Genesect, rare shiny encounters, or even the ...

If you want to be the best like Ash Ketchum, you’ll need to prove yourself by defeating all Gym Leaders in Mewtwo ... you can capture with your Poké balls and train for battle.