The long awaited sequel to Flame of Shadow and Deception! After narrowly escaping the clutches of Althaea's servants, Elyrah and Kaesen are running against time to get to Du'ath Ium.Elyrah is battling with multiple revelations; Kaesen has been lying to her, manipulating her. And just when she thought he was done being illusive, dark truths about their past are brought to light, causing Elyrah to question everything yet again. Rationality begs her to run. But no matter how much she knows she should, there is something that has bound itself between them, and by choice or otherwise she cannot leave him.She burns for him.The darkness in Kaesen is surging, its hunger growing, its patience thinning. He can hear it purring in his ear, can feel it begging to be free, to taste sunlight. And with each second Kaesen spends with Elyrah, his strength to keep it caged, weakens.The monster must not be freed.Corrin has joined Rosalind as a servant of Althaea, and together they hunt Elyrah and Kaesen across Tai'nna. But as they close in on their prey, forbidden truths threaten to upheave their beliefs and shatter their resolve.What is power without reason?