Kalarastri is one of the beings from Notte’s past. A queen among her people, sometimes worshipped as a goddess, she is of the people of the The Darkness include any magical beings with a primary drive to devour or collect. More, and an avid collector. She drinks blood from her fingertips, and is fondest of blood freshly spilled.
There are rumors her species may have been one of the ingredients to create vampires, but if so, there are no surviving records, and no way now to know.