After you defeat Cyrus at the Veilstone Galactic building and he will give it to you
Diamond & Pearl: You first encounter him in the galactic building in vielstone and then you have to fight him there and he will give you a masterball if you defeat him. And then you go to spear pillar and fight him there for the last time. Platinum: Team galactic building and he gives you the masterball and then you go to spear pillar and he's there and Giritiana takes you to the disortion world and you seee him there a few times and before you face Giritiana you have to fight him.
Defeat Team Galactic Boss Cyrus, and he gives u a master ball. then he will tell you where the Legendary Pokemon are. Follow his direction...and use your wise to use masterball
defeat team galactic boss and he will give you 1master ball
Yes, Team Galactic is in Platinum.
You attack his Pokemon until they are unconscious.
Team Galactic's Boss' name is Cyrus.
You go to Vielstone city and go into Team galactic building and find Cyrus(Team galactic boss) then battle him. After the battle he should give you a master ball.
Team Galactic boss is in M.T Corenet near snowpoint city.
I won it when i won the lotto
When you have got the galactic key from the warehouse then you need to go to the other side where you got the warehouse key.use the galactic team to open the door and then you need to find out where the boss is located.then u free the 3 legendary pokemons!
the team galactic boss gives it to you at the team galactic hideout!
you can use action replay code manager or you defeat Cyrus in team galactic warehouse and he will give you a masterball