You don't. Though before you encounter your version mascot you will get a master ball.
you have to get one master ball and go talk to OAK and he will make more master ballz for u
how to get many master ball
You can't. You can only get one Master Ball.
You cannot copy a master ball in leafgreen
you have to save the president of silph co. to get the master ball.
equip the master ball to a Pokemon and clone it using the Pokemon clone cheat.. its so simple..
you can if you have a Master Ball
The master ball code is: 82003884 0001
You can't you only get 1 master ball in each pokemon version.
In each game version, you can obtain only one master ball. So if you want more than one, you can consider trading or transferring a Pokemon holding a master ball from a different version.
you will only be given one master ball.
you get it after defeating Giovanni i believe
You can't do that unless you have emerald. then you can clone the master ball.
umm you cant
A Master Ball
Throw a Master Ball at it.