Dungeon Queen (Extacia Series #1)

In the World of Extacia, Grimress, a servant of Manaeia, the Goddess of Love and Compassion, had been given an important task to complete, and that is the complete destruction of the Exas (Human). The Exas had deeply fallen into the abyss by the influence of the Seven Deadly Sins. The destruction of the Exas is now anticipated by every kind.