A Fortress of Grey Ice

But as Ash learns more of her greater fate, Raif's task looms dark and desperate, for he must journey through the nightmare realm of the Want, a place where even the Sull now fear to tread. For deep within the Want is the Fortress of Grey Ice, and there he must heal the breach in the Blindwall that already threatens the world. Should he fail, not even Ash's powers can save them...