Do you mean Darkrai?
If you do, you have to go to an event, or trade it from another game.
No, you cannot catch Darkrai in Pokémon Black.
start collecting legendary Pokemon
it is no were you need to hack to get it just like how you get darki on Pokemon
dark crater
no you can trade soulsilver pokemon to black
i think you go on you tube and type in how to get darki in pokemonindego and ill tell you or you have to go to where dark Pokemon are-
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
You CANNOT LEGALLY download Pokemon Soulsilver.
You can't catch bastiodon in Pokemon soulsilver.