Cheats. If you're using emulator, go search for GameShark Codes Emerald and click supercheats.com or something like that.
Well, without a gameshark you could keep on re battling the Elite 4 or trainers.
no, cloning then maybe, action replay
You can't have unlimited master balls although u can give the master ball to a Pokemon and duplicate it at battle frontier
I'm sorry, you have to have Action Replay.
Figure it out
you need Pokemon emerald pass all rare candies
123456789435632
Action replay codes.
yes
first you get amaster ball give the master ball to Pokemon copy that Pokemon over and over again then take the master balls from the Pokemon
You can't.
it will turn off your game.