it is something stupide
No way you can make a dusk ball act like a master ball unless you do a hack which is bad idea.
ho oh
no
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.
use a master ball
probaby kyogre
After you defeat the main 8 gyms professor oak will call you to his lab and say he has something for you. Then he will give you a master ball.
To get an additional master ball, you must either trade it from another Pokemon game, or use cheats to get one.
After beating the Elite Four, return to New Bark Town and talk to Prof. Elm. He will give you a Master Ball. *Remember this is the only Master Ball you will get in the whole game!*
You get a master ball after defeating the eighth gym. You'll receive it from prof. Elm.
unless you hack it you don't
profecer elm givs it 2 u