You're looking for a guide on how to download the Dark Souls (DS) ROM, specifically the "Soul of Darkness" version, which seems to be a modified or hacked version of the game. I must emphasize that downloading ROMs of games you don't own can be against the terms of service of the game and potentially illegal.
Soul Of Darkness Ds Rom Download New Today
You're looking for a guide on how to download the Dark Souls (DS) ROM, specifically the "Soul of Darkness" version, which seems to be a modified or hacked version of the game. I must emphasize that downloading ROMs of games you don't own can be against the terms of service of the game and potentially illegal.