The Mists of Pantea
Qiphine lives in the lake due west of the cottage in the Black Swamp, according to Quirora. The lake is dark, and deep, and its surface reflects like a mirror. Quirora also claims that the darkness in the purple realm originates from the lake.
Relevance to Characters
Andraste and Taman head off to investigate the lake. There, as Andraste is planning to electrify the lake, she is dragged into its depths. Taman manages to rescue her right before Qiphine appears
and fucks up Andraste and attacks them.