1. you get one at team aquas secret lair there are 4 poke balls siting there the 2 on the right are voltorbs the bottom left poke ball is a nugget then the top left is... a master ball
2.at lily cove market or what ever you call it if your lucky go to the right cashier on the first floor and keep talkin to her and if your lucky ... you got a master ball
you cant get sapphire master balls i thinck
Master balls cannot be bought in any Pokemon game.
with cheat code.
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give a Pokemon the masterball and put it in the daycare with a ditto then it will be cloned!!!!!!
your get from team aqua or team magma i think
1.Action Replay2.gameshark3.codebreakerthat is all
123 don't trip
get 1 in the aqua bace and win the loterry 3 times
Use action replay. Note: Dont use it
im sorry you cant, you just get one at team aqua hideout
you HAVE to use a game shark. or have 999 nice friends who will give them to you!lol