Somewhere in the aqua hideout you can find a master ball.
you have to clone that Pokemon holding a master ball
a master ball!!!
I dont think you can get another Master Ball in Pokemon Emerald Version. If you have seen people with more then 1 Master Ball, they´ve used a hack to clone the Master Ball.
you use master ball
You can copy a master ball on Pokemon Emerald by having one of your friends that has one sign on to their ds and connect the two. Then they can give it to you in the Pokemon center.
You can't do that unless you have emerald. then you can clone the master ball.
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 get a master ball in the team aqua hideout. Its in a room with four poke-balls.
Clone your Pokemon and give them the master ball
it is in the team aqua hideout by the electrodes