Where can i buy a masterball?

Question

It's like a rubik's cube only a sphere... it has different colors all the way down, like a beach ball...

Answer 1

u cant... not in a pokemon game.but u may get one from newspaper guy in solaceon town.u have 2 bring him a pokemon and he will give u a heart scale and pokeballs.RANDOM pokeballs.they might not b master balls,though...