A respected elder of Yulora.

She has remained loyal to the queen but is feeling ignored. Numerous requests for help against the Frost Giants have gone unheard. Cracks may be forming in her allegiance. - The Frozen Expanse (GS-ADV6)

You decisions regarding Lomar's attack on the village will determine your relationship with Dreni. She may give you an amulet. When asked about it, she replies:

Its magic is the work of the Flayers. They were once masters of both fire and ice. In the age of Azema, they could melt or freeze the water of the ocean as they saw fit, and they sculpted palaces and entire cities from the ice. - The Frozen Expanse (GS-ADV6)

If you are in possesion of the compass, Dreni may offer more insight. As she inspects the item, the image on the lid changes before your eyes.

The Arcazion City,” she says. “In the age of Azema, the Kaiika and Frost Giants both lived under rule of the Flayers. - The Frozen Expanse (GS-ADV6)