Days of Frozen Hearts Eschaton Cycle

All warmth dies. In pursuit of a runeblade, Hervor and Starkad travel beyond Midgard to a fabled kingdom. Here, they find a cursed valley lost by time. The ghosts of long ago walk the night, playing out the final moments of their tragic lives. Can they claim a runeblade from the most powerful foe they've ever faced? And if they do, how will they leave the valley?