you need to go to the jublife TV station and talk to the lottery man and to get a Master ball you need to get the exacet same ID.number
you have to trade a Pokemon holding it to your game
You can only get lots of master balls by using a cheat/code. There is only one or two in the actual game
u can only get one master ball in Pokemon Black to my knowledge, unless u trade with someone whose Pokemon is holding a master ball, or if u hack it, which there is no hack to.
You cannot duplicate Master Balls in any Pokemon game.
From what I know, You can't BUY master balls in Pokemon.
Get rid of some of the master balls! the number of master balls you have is the number of the pokemon
Getting master balls without cheating in Pokemon DP is very hard. The only ways are: to win the lottery in Jubilife City, or receive a Pokemon that has a master ball from trading. I have 2 master balls in my game. I traded with a person who had a Pokemon with a master ball.
You can get 2 Master Balls in both versions.
You use the cheat.
you have to have Pokemon platinum and a action replay then if u want just give your Pokemon master balls and trade them to games you want to have master balls
Have your friends trade you the master balls they got.
Master balls cannot be brought, only given or won.