Rhagothan is a Harvester that may appear as a boss at Dark Anchors. Molag Bal will introduce her by saying: "You've done well. Now it ends. Come, Rhagothan! Feast!" or "A mortal for you to feast upon, Rhagothan. You may feed now."
There is one achievement associated with this creature:
|Devourer of Souls Subverter||10||Defeat Rhagothan, the Devourer of Souls, at a Dark Anchor.|