For Pokemon emerald via gameshark Master code: D8BAE4D9 4864DCE5 Master ball code: 82005274 0001 The master ocde is very important. You will get master ball in any pokemart for free after you type the "Master code" and the "Master ball code". HOPE IT WORKS!
First use the master code 72BC6DFB E9CA5465 56671F3A 6F4F4D6B Then buy master ball with this code CF1BCCE4 F26C57D9 And when your battling throw a master ball but you've got to press L+R.Hope it helped.
use a fast ball , aultra ball or go to a store and get a cheat code that gives you masterballs or go to a friend that has master balls and trade a Pokemon to that person and tell him or her to trade a Pokemon with a master ball
If you want to get master balls in the beginning you have need the cheat code! There's no way you can get it any other way in the beginning. But in the last part you fly to Professor Oak he will give you a master ball! For cheat code you can have master balls for free!