It can be found in Team Magma ‘s Hideout.
Where do you get more Master Balls in Pokemon Ruby? A Master Ball can be useful, but cannot be easily obtained. Using the item, you can catch any wild Pokemon without fail. Got another cheat from our Pokemon Ruby Cheats collection, Master ball is the best among all types Poke Ball. Using this guide you can get more master balls in oras. This guide shows you how to get more secret base pals or the right secret base pals for whatever special skill you want from them.
You can play the lottery every day for a chance to get a Master Ball or even use secret base pals to find master balls for you.