Frostborn

Ridmark Arban is the Gray Knight, banished and outcast from the High King's realm. Yet Ridmark alone sees the danger. The dread Frostborn shall return, and unless Ridmark can warn the realm, the Frostborn will entomb the world in ice forever.
Calliande wields mighty magic. Yet her memory is gone, her past forgotten. But her foes remember, and they are coming for her.
Gavin is the son of the praefectus of the village of Aranaeus, and men and women and children are disappearing from their homes as shadowy, bestial shapes prowl through the forest.
Yet no one will heed Gavin's warnings of other creatures stirring in the darkness.
Creatures that feast upon the souls of their victims . . .