Give a black apricorn to Kurt.
a black apricorn then give it to Kurt
You can't get a GS ball in Soul Silver. You can only get it in a Japanese Pokemon Crystal. Sorry.
You can't buy them, you have to give Kirk in Azalea town a Blk Apricorn and wait a day for them to be made.
No.
there is none
pokemart
The GS Ball does NOT exist in the games.
faST ball
you can with ultra balls or if your stupid waste your master ball-PS i caught groudon with a heavy ball (he weighs more than two thousand pounds) so that might be to him a master ball
no
no
It's impossible