It's the 2030's and Ironheart Previously Ironblood has a new guided missile cruiser named Prinz Eugen, and during an exercise she gets taken away somewhere by a portal (I think you know where this is going.)
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.