Arianna is Riack's only remaining princess, making her the true heir to the throne. As it is, she's not ready by a long shot to assume her rightful position in society, and worse, she might be more of a danger than a help to her people.
She's the host of phenomenal magical power, previously thought to have disappeared from her world completely. The thing is, every time this power comes out of her, people die.
In order to set things straight, Arianna sets our on a quest to control her magical abilities. However, she has to trust an assassin to take her away from the safety of her castle, and then learn survive in a suffering country about to crumble into dust.
On top of everything, war is looming over a weakened Riack, and a battle is imminent.
Will Arianna be able to master her monumental power to save her country, not just in ability, but also in time?
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.