Eriles, the unknown world with mountains so high that they seem to touch the sky, seas so wild that even Poseidon couldn't tame them and wide open fields, so big that they seem to never end. But don't let this magnificent sight fool you. Eriles is the name of the five kingdoms, each kingdom with a different kind of magic, a different kind of ruler and a different kind of assassin.
In the kingdom of Askax, known for it's high mountains made by the Gods themselves, there is a lonely girl named Cera. She is the most skilled assassin in the whole kingdom, and because of that, she is trapped like a bird. For many kings would do anything to have such a powerful assassin as her.
When the stunning assassin with raven black hair and piercing blue eyes gets an offer of freedom from the king of Thiylia, it's almost impossible for her to say no. But is she truly ready to face the consequences of her choice? And what price is too high to pay to finally be free?
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.