Human Arthur's entire family was massacred by the vampire elder Marcus, and he was subsequently turned into a blood thrall, lying in wait for five years. He incidentally discovered that he was the tripartite vessel capable of activating the Ancient Covenant, a sacrifice long orchestrated by Marcus. Arthur allied with Emily, the werewolf heir, and Victor, the intelligence wizard, to incite a multitude of oppressed vampires to rebellion. During the decisive battle at the Blood Moon Tribunal, he shattered Marcus's five-hundred-year sacrificial conspiracy and rewrote the Three Realms Covenant. The seals loosened, and six thousand-year-old Primogenitors awakened. Arthur, using his own bloodline, dispelled their ancient fixations, ultimately balancing the three factions—vampires, werewolves, and wizards—and establishing a new, equitable order for Chicago's nocturnal world.
