The Quieting of the Abyssal Pulse

As the final rhythmic shudder leaves the massive demon heart, the organ shrivels into a blackened, leathery mass. The unnatural heat that once permeated the ancient ruins begins to fade, replaced by the damp chill of the surrounding stone. Hidden within the inner chambers of the heart, protected from decay by necrotic magic, lies a collection of items harvested from previous victims and the crystallized essence of the demon's own power.