Help Selveni Nethri escape the cave

Walkthrough
While clearing out the Southfringe Sanctum, the Dragonborn comes across a dark elf caught in spiders' webs. The elf introduces herself as Selveni Nethri and explains that she was trying to leave Bashnag's coven when she became trapped. She then asks for assistance.

Help Selveni Nethri escape the cave
If the Dragonborn agrees to help her, the elf needs to be freed from the webs and lead out of the cave safely.

Hilf Selveni Nethri aus der Höhle zu entkommen