Master Ball



Descripition
A Master Ball is an experimental pokeball that can catch any pokemon. It is developed by Silph Co in most versions of the game.

Locations
In the Cerulean Gym 2  level, Ash tries to capture Kyogre with a Master Ball. (pictured above) Mewthree blocks the Master Ball, though.

In Vermillion Gym, Brock captures Mewtwo with a Master Ball.

Trivia

 * The Master Ball is the only pokeball to appear in all of the games except for the regular one.
 * 93.7% of all non-infinite ball cheat Master Balls are used to catch legendary pokemon.
 * The Master Ball is the pokeball used by Blaine to capture Mewtwo.