Witness the tale of Lucas, a former Chaosite military general of the Chaos Realm Civil War, on his quest to find the Demon Slayer and vanquish the Unholy One, an evil being thought destroyed long ago.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.