Use the Mages Guild teleporter to go to Vivec City. Once there, head southeast to an island shaped like a backwards V. Once there, travel to the medium sized island to the east. Travel east again to the destination.
|Ajira told me that the Warlock's Ring is held by Vindamea Drethan, a sorceress in Ashirbadon, which is on an island east of the ruins of Bal Fell.
|Ajira congratulated me on finding the Warlock's Ring.