Yeah...
gts
* * * *
You can get it in GTS or trade it from Silver or Gold
Any Pokemon that isn't an event Pokemon can be traded on the GTS.
When you check your GTS staus, you receive a traded Pokemon.
you catch lugia in whirl islands in soulsilver
yes, if someone's offering one in exchange for another Pokemon
Goes any where around the world and you get your wanted Pokemon
they have to be on ur pokedex
what is luiga and what is planium?for lugia you cheat get an event migrate or trade or do GTS
Yes! you TRADED, didn't you?
Yes it is, but if through the GTS, the GTS will pick it up as a hacked Pokemon and refuse to put it on its servers.