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The Master Ball (マスターボール, Masutaa Booru) is the rarest and most powerful Ball available in all games.

It was originally manufactured by Silph Co. in Saffron City, but only a few were produced, as Team Rocket hijacked the building and attempted to steal them. Due to this, the Master Ball as a whole was discontinued.

Only one can be found during the course of the story in every game. However, starting from Generation II, additional Master Balls can be won, albeit very rarely, from the in-game Lottery if the player character has the exact number. More can also be gained by trading a Pokémon holding a Master Ball from another game. It is possible to get up to 450 Master Balls without using a cheating device.


It has a two-shade purple top forming two brighter purple circles on the sides of the top, as well as a white letter "M" printed on the top. The Master Ball is guaranteed to capture any wild Pokémon without fail, completely ignoring the capture system as a whole. Players should be careful about using the Master Ball, as in most scenarios, there will only be 1 Master Ball at the player's disposal.


Generation I

Generation II

Generation III

Generation IV

Generation V

Generation VI

Generation VII

Generation VIII


  • The Master Ball was introduced as a new item in the Super Smash Bros. series in Super Smash Bros. for Nintendo 3DS and Wii U as a second item from the Pokémon series, it almost always opens up rare and Legendary Pokémon, except on rare occasions when the Master Ball will release a Goldeen (which only uses Splash) instead of a Legendary Pokémon. It is a powerful item to use, as the Pokémon obtained can aid the player character.
  • This ball completely ignores the capture system that regular Poké Balls follow, as the ball will always capture the Pokémon.
  • Pokémon Black 2 and White 2 are the only games where more than one Master Ball can be obtained without using the Lottery or trading Pokémon equipped with one; this is because Professor Juniper awards the player with one in Mistralton City, and a Master Ball can be obtained from defeating Colress (on the Plasma Frigate) after the main story narrative.
  • Though production of it is believed to have been discontinued by Silph Co. following Giovanni's and Team Rocket's attempted takeover, given its appearance in other games it is more likely that the company still produces a limited number of Master Balls for use mainly by Pokémon researchers (like Professor Oak and Professor Elm), high-ranking members of the Pokémon League (such as the Elite Four and Champion), those given away as Lottery Prizes, and possibly some for use by Silph employees. It is also possible and likely that due to their capture rate, their production and distribution is monitored and regulated by Pokémon League. Given Cyrus having a Master Ball in his possession, it is likely that a few may have made their way into the hands of criminals, via either theft or purchased on the black market.