go to oak and press L
Action replay
No
You get it with an action replay
action replay
if you use an action replay.
Find an action replay code and program it, that's how you get many masterballs on Pokemon diamond action REPLAY. ;)
you trade it or use action replay
it requires an Action Replay. if you can activate without one, then i don't know how to
yes there is
U HAVE TO MIGRATE OR ACTION REPLAY
There is no cheat you can only battle him once!
there are none