Six months have gone by since Princess Irina of Irenwell returned from her quest to the edge of the world, with magic still churning through her veins. Lonely, bored and destructive, Irina is stuck behind the borders of her Kingdom and desperately looking for an escae. However, the opportunity is on the horizon as the fourth full moon since the winter solstice approaches and Irina has to deliver the world's most dangerous spell to Ace.
On the other end of the world, Rixen of Orathia struggles to rebuild the Spirit territory, but the residents are reluctant to accept the Shadow Rule once more. While juggling his uncle's desires, the emerging rebellion in the Spirit territory and his own disinterest and reluctance, Rixen has to decide whether he wants to rule the once powerful lands.
While Bastia and Irenwell stand on the brink of war, a bigger threat looms in the shadows, wearing a friendly face.
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.