I think you need a ditto and another Pokemon then give the other Pokemon a master ball then put ditto and the other Pokemon in the daycare center and then take a walk somewhere away from the daycare center and then go back there should be an egg that egg should be the other Pokemon that you put in the daycare and when it hatches it will be holding a master ball.
WARNING:THIS MIGHT NOT WORK BUT MY FRIEND TOLD ME IT WORKS
After you defeat Giovanni in Sliph Co. the President will give you the MASTER BALL.
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That is impossible.
No, you do not need a master ball, if you get it to a low enough hp, you can catch it with an ultra ball. You can find mew in the end of the cave in cerulean.
Attach your master ball to ONE POKEMON, next CLONE that Pokemon for how many master balls you want. Next detach them, and release all the clones (if you want)
Get a Pokemon you want to clone give the Pokemon a master ball to hold and then go to your PC after cloning get the clone out take the master ball of your clone and your other Pokemon which you cloned with and take the master ball of him and keep on doing it for as long as you want.
there is only one master ball that you get in firered
you have to clone that Pokemon holding a master ball
First you get the one master ball then you either trade Pokemon with a friend who's Pokemon are holding the master ball, take it off, trade back and repeat this many times or you can use a gameshark or clone it.
There is no second master ball in any game.
if you go to youtube u can see a vidio on how to clone Pokemon. give the Pokemon u want to clone a master ball and it's clone will have one two.
equip the master ball to a Pokemon and clone it using the Pokemon clone cheat.. its so simple..
You can't do that unless you have emerald. then you can clone the master ball.
giovanni, head of team rocket, after you beat him, you will get a master ball.
no, is only one
Floor 11.
Clone your Pokemon and give them the master ball