Fire & Flood
An ancient Vampire lord who’s lair lies deep in the Depths, Calderus wields significant power in Sharn. Ruling the Servants, a network of enslaved vampires and dominated pawns of various races, the has a complex system of spies and agents operating as her eyes, ears, and hands in the city, advancing her plots and gathering intelligence that adds to her significant storehouse of information. She is rumored to be a high level Psionic Seer and is generally feared and respected.
When the party encounters her they find her lair to be a den of debauchery and hedonism ruled over by a beautiful but unfathomably old cougar of a human woman. Ernest Kuntsqueiller is also known to be a contact of Calerus after this visit.
She is known to be investigating the location of the source of power known as The Artifact but to what end is unknown.