Only ruins remain of the Demon base. The chief must decide what to do next—and that isn’t simple. Berg is beaten and ashamed to look anyone in the eye, and Karin… With this curse, it’s unknown how to live. How do you defeat an enemy stronger and more dangerous if, at any moment, a new storm could begin inside a small team? How not to strike each other when anger, hatred, and jealousy cloud everyone’s vision? What happens if all this is compounded by new enemies? In the Furnace, a real slaughter is coming for the only woman on the planet.