when you encounter him hes lvl. 50 and hes psychic/flying. so it depends on the pokemon you use.
heck yeah!
lugia is level 45.
the most powerfull Pokemon is Zaurauk the 5th genaration . No arceous is
you go to an island and it is there. i think it is the 8th island.
you can't you can only get it in soul silver
you can't only if u have a game shark
after defeating lance go to the whirl islands and he'll be there
well you can mix up luigia and Ho-Ho
You can find Luigia at the Whirl Islands, you have to go quite deep.
giratinna
you go to whirl island and go in a cave then down a waterfall and into a room.
yes, you get the mystic ticket or the aurora ticket, cant remember which.