Master Ball

The Master Ball is a Pokeball with the ability to capture any Pokémon instantly.

Locations

 * In the Cerulean Gym 2 level, Ash tries to capture Kyogre with a Master Ball. Mewthree blocks the Master Ball and saves it for later using Psychic.




 * In Vermillion Gym, Brock captures Mewtwo with a Master Ball. This Master Ball is later given to Sabrina to smuggle Mewtwo into Saffron City.