action replay
No
you can trade a Pokemon from black or white holding a master ball.
you can get one when you defeat iris or do 50 trades an talk to some black suited guy in castelias pokemon center
you can't
you need action replay 4 that
You can't you only get more if you have the cheats
Definitely Thundurus. You can get 2 Master Balls in Black and White. You should save the second one for shinies or event pokemon.
Throw a Master Ball at it.
you cant
you get 649 master balls and 100 ultra balls ultra balls = level master balls = national dex number press l+r to reset the modifier to easily get over large numbers toss masterballs
to get a 2nd master ball trade with 50 diffrent people and go see a man in black in the castela pokemon center
You are given one once you get your eighth gym badge.