Black Soul Gems are magical items in Oblivion. Unlike regular Soul Gems, you can use Black Soul Gems to trap the souls of higher races, such as men, elves, Argonians, Khajiit and Dremora. You discover the rituals necessary to create Black Soul Gems during the Mages Guild quest Necromancer's Moon. However, it's not necessary to complete that quest to create Black Soul Gems. These steps can help you create your own.
Head to Dark Fissure, Fort Istirus, Fort Linchal or Wendelbek.
2
Wait for the Shade of the Revenant (a purple light) to shine down on the altar. The Shade of the Revenant actually occurs every 8 days starting with the first day of the month.
3
Place your Grand Soul Gems in the alter and strike it with your Soul Trap spell once for each gem placed inside the altar.
4
Open the altar and retrieve your Black Soul Gems.
Tips & Warnings
Stand a good distance away from the altar while waiting for the purple light. It's difficult to see if you are too close to the altar.
It's possible to use filled Grand Soul Gems to create Black Soul Gems. However, you have to have filled them yourself. Purchased ones or ones you found already filled don't work.
"Oblivion" is the fourth entry in the role-playing computer game series "Morrowind." This open-world RPG has you controlling a fantasy character throughout...
