After helping Astrid escape from the Count’ s guards, a young woman named Thalia is captured. To find a cure for her sick mother imprisoned in a cell, Thalia ventures into a ruined castle. There, she encounters the imprisoned spirit of Augustus Morningstar, who offers her immense power to destroy her enemies in exchange for her soul. Rejecting the offer and demanding only a herb, Thalia learns he was betrayed by the current Guild Master. Realizing power is the only way to save her mother, she agrees to undergo his dangerous Abyss Knights trial.