Beneath the world—and above it—rules Vaelrix Caedryn, an immortal king whose beauty and authority have endured for millennia. In a realm where servants are born to obey and replaced without sentiment, routine has long dulled even his interest. But when tradition leads him to select a new personal servant, his attention catches on one he was warned would not matter. In an underworld built on certainty and control, a single unexpected choice threatens to disturb an eternity of balance.