If there is no light there when you arrive, you can use the wait command to wait 24 hours at a time.Wait for the correct day, namely the Shade of the Revenant ( see below for details).Outside each of these locations, you will find a white altar draped in a red cloth. First, head to one of these locations: Dark Fissure (east from the shrine of Vaermina), Fort Istirus (east of Kvatch), Fort Linchal (northeast of Kvatch), or Wendelbek (at the headwaters of the Panther River).A method of casting the Soul Trap effect (enchanted weapons will not work).One or more Grand Soul Gems (empty soul gems are best, but gems you have filled yourself can be used, see notes).Creating Black Soul Gems Items and Capabilities Required