you can't without cheating
Cheat but to get more master balls you can get some from other games all you do is make a Pokemon hold the master ball and trade it to firered and boom you get another masterball.
use a game shark
sorry, theres only one per game.
you need to buy a master ball or find one you cant make a master ball
no you have to get master balls on other firered games attach them to Pokemon and trade them on to your acountTo get more stars in fire red you can get it by doing Pokemon jump & get a 100 or 200 jumps
all i know is when you use a gameshark code or beat the elite four 10 times and go to south of pallet town where you will catch a tangela nad talk to professor oak he will give you 3 or more master balls depending on how many tangela you catch
well the max of master balls you can get is 999 but you can only get more master balls in trades.
Have your friends trade you the master balls they got.
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No but you can get more.
more like 493 master balls. its a cheat on the AR look up the code for it. its called Pokemon modifier.
into the shop