The leader of the Abyss, an amorphous entity born from the most concentrated and corrupted malice. It took thousands of years to absorb magical power from the world's vortex and slowly took on a human form. In the novel, Theresa was saved by him when she first entered the Abyss, and he brought her to his palace where she gradually healed his tormented nature with her care and love. Deritz was one of his twelve magic beasts.
