You can't. It is not available on Pokemon Platinum.
To Catch Lugia You'll Need A Action Replay.
you have a cack then it appears
no you cant so srry...
I think so. Because I did but with cheats.
No
You don't. Shadow Lugia is not available in Pokemon Platinum.
You don't. Shadow Lugia is not available on Pokemon Platinum.
You can't catch a Lugia in pokémon platinum. If you would get a Lugia on platinum you should link it.
Lugia cannot be caught in platinum you would either have to trade with someone or use pal park
You can't unless you have silver,soul silver or action replay [with silver and soul silver you must capture lugia then for soul silver trade and for silver, I'm not 100% sure but you migrate lugia to platinum and catch it at pal park.
You cannot find Lugia in Pokémon Platinum.