i missed the one in the hideout
If you get first place in the lottery there is one.
But you can go back through the hideout anyways and get the other masterball. If you have another gameboy and Ruby/Sapphire/Emerald game you could trade masterballs over. And the lottery.
How to change your username
How to add a user avatar
Why was my post hidden?
Flags vs Downvotes
Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.