defeat team galactic commander cirus and get a master ball
there is a cheat for you to get unlimited and you get one from professer oak.
2
Yes there is a code for 999 master balls in Pokemon platinum
You can't.
No! That's obviously a no!
cheats
you can not get a master ball in Pokemon platinum only the one professor Rowan gives you
Go to your house and talk to your mum and ask in the microphone can i have master balls. don't listen
Action replay
Find them or u get a action replay
no
cyrus gives it to you
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