Blood Covenant Book three of the Nytefall Chronicles The Crimson Isles

Charles staggered forward, his chest now burning with agonizing intensity from the Entropy Curse. The curse tore through his defenses, forcing upon him twisted flashbacks: the faces of soldiers he had fought beside in Kandahar, British comrades who bled and died in the desert. Now, their spectral faces twisted into ghoulish reflections within the polished, black-iron visors of the Hollow Crown