I started the quest yesterday had no issues up to the point of Cold-Blood Cavern, or the naked quest giver ;-) , once I get all three items and defeat the boss, I travel back up the ladder with my quest tracker and journal telling me to return to Rhea. Once I load into the upper room the tracker and journal tell me to collect the three items again, go back down the ladder and it tells me to return to Rhea. I submit a ticket through the quest journal, get a response email having me try logging out of the game- no success, and abandoning the quest and restarting- no success either, I had to start the quest again back at the naked and mute quest giver in Stormhold.

I sent an email back reporting my still inability to progress further with this quest and was told to file a bug report. I figured I'd post on here and see if anyone else has this issue and maybe know of a fix.