there is no way srry <(-_-)>
No.
Can't
You cannot. Dark Lugia is only available in Pokemon Colloseum.
you need an AR.
by trading it from Pokemon xd
yes..
Lugia can only be found on Naval rock in Pokemon Emerald. The Mystic Ticket is needed to grant access to the boat that will take you to Naval Rock.
Lugia isn't available in Pokemon Emerald, it is available in other versions such as Soul Silver, Gold, Silver, Crystal, FireRed and LeafGreen.
Yes, if you get the Rainbow Wing, Oh-oh is in the same cave as Lugia.
You had to get it at a special event a couple of months/years ago. You may be able to hook up Pokemon Emerald with a Gamecube and trade a purified Lugia to Emerald.
You can't.
You need to trade with Emerald