you cant. i think that's really stupid. but they are making a remake of Pokemon silver and gold, called Heart gold and Soul silver, and you can probally get lugia in soul silver.
you might be able to send that lugia to platinum
i have action replay and there is an awesome code that allows you to get any Pokemon at any level you choose.
ITS AWESOME!!!
The only way to get Shaymin in Platinum without cheating or an event is through trading it with a friend.
ONLY ONE WAY ACTION REPLAY BE WARNED USE AT YOUR OWN RISk
only with action replay!!! there is no way without action replay
You use an action replay.
no
By trading.
Only With A Action Replay And The Pokemon Modifier. Or Trading. Or Migrating.
In diamond and pearl to get you would need a action replay... but in platinum you don't.
its imposibble without trading.
You can't get the Secret Key in Pokemon Platinum without Action Replay, unfortunately. You can get Action Replay from most major websites.
no, not on diamond and pearl sorry. it's only on platinum. on platinum you can do it without action replay
Then you can't.