They were the ones known as the "Vessel of Genesis". Born of pure blood, they carried the rhesus negative trait that kept all of the human race alive and able to live on this planet known as "Earth".
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.