no. that's only in online games like Pokemon crater
Dark Cave
There are no legendary in dark cave in soulsilver that i know of, but i know alot of legendaries and I could list some of them if you want.
in dark cave
The black flute can be found in Dark Cave in Soulsiver.
It is rare in the Blackthorn side of the Dark Cave, Cerulean Cave, and in the Safari Zone.
no you can trade soulsilver pokemon to black
he is not in Pokemon soulsilver or Pokemon heartgold
POKEMON SOULSILVER come with a poke walker and the Soulsilver game
Pokemon soulsilver and Pokemon heartgold are basically the same game just different versions but i do recommend buying Pokemon soulsilver
SOulsilver
He lives in a house just south of the second dark cave entrance. He's the guy you get the Pokemon egg from.
You can't catch bastiodon in Pokemon soulsilver.