The story begins with sixteen year old girl from Mistral, Thalia Kal. Lost in the dark and rain, Thalia comes across a girl simply called Venom and a boy named Kevin Jeck by chance. Both belong to a group called the Sky Army, and the two take her back to base to stay the night. But when the evil Xandra strikes out at Minecraftia, Thalia finds herself launched into an adventure she never expected. Join Thalia as she comes across new friends, new enemies, and new frontiers and faces thing she never thought she'd face; like the Commander of the Sky Army himself.
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.