The Earth Walkers are a wandering people, rarely heard of and more rarely seen by any other kind, but when a young Earth Walker named Gwendolyn ends up alone, her mentor and only companion leaving her to answer an urgent summoning, she must face the dangers and wonders of the forests on her own, teaming up with an unlikely ally - a morally ambiguous shapeshifter called Jack - as the cause for her mentor's sudden departure becomes clear when strange rumours about a dark and twisted power from the North reach her ears...
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.