Books like The Axe and the Throne

It is a fool's errand and Tallos knows it, but against his own better judgment and the pleading of his wife, Tallos has committed himself to a voyage north. His lifelong friend's eldest sons are said to have been taken by Northmen, a raiding people ill-reputed for their savagery. The boys are already dead, Tallos knows, and in that dark place of grim reasoning he wishes only to find their corpses quickly so he can fulfill his promise and return to his wife. Instead, he finds something far worse.