I do not know. But this is a nicer answer than before. ;)
Only by using gameshark or action replay.
by using an action replay
by using an action replay
by using an action replay
with an action replay or an event Did you mean Aurora?
you cant sorry
You are probably using an older Action Replay.
go to youtube and tipe in "how to get darkriewith action replay in Pokemon platinum walkthrough". If it doesnt work make the typing shorter.
no sorry you need one of those things
You could use an Action Replay (advised) or Gameshark. Do yourself a favor, use an Actiona Replay.
Deoxys can be found only by obtaining the aurora ticket at a Nintendo event and using it to get to birth island. Either that or by using an Action Replay.
At Navel Rock, and you get there by using a mystic ticket you can get one by using a gameshark or action replay or nintendo event or a cheat.