Having banished the demon released from its prison by his defeated nemesis Ravenkind, Gavin Kinshield faces new challenges: a magical barrage by Ravenkind's grieving mother and an age-old mystery whose time has come to be revealed. A former member of an elite battlers' guild, Cirang Deathsblade has a dark past. She sits in gaol, awaiting the new king's sentence for her terrible crimes... but she's t who he thinks she is. In exchange for leniency, Cirang leads Gavin to a centuries-old, hidden journal that holds the secrets of ancient kings and a magical wellspring with its own dark past... and an even more terrible future.