Astraea Nightshade never expected to be payment for her father's debt. Sold to the Beast-Kings of the North to settle what was owed, she thought she was being sent to her death. Everyone knows the Vorenus triplets are monsters, savage apex predators who've killed more wolves than anyone can count. She was wrong about the death part. But she wasn't wrong about the monsters. Kaelith, Thalion, and Dravyn Vorenus are the last of the Primordial Bloodline, ancient Beast-Kings who've been searching for their fated mate for fifteen years. When they scent Astraea, their beasts recognize what she is, the lost hybrid queen who can survive bonding with all three of them. There's just one problem. Astraea doesn't know what she is. She's spent her entire life being told her wolf is broken, that she's defective, worthless. And the suppression drugs her father has been feeding her since childhood have kept her true nature buried so deep she can barely shift. But the mate bond doesn't lie. And when the triplets begin the claiming rituals to awaken her beast, Astraea discovers she's not broken at all. She's a primordial hybrid. The most powerful creature born in three centuries. And every Beast in the realm wants her dead, or worse, wants to breed her to create their own powerful bloodline. Forced into a world of savage politics, ancient prophecies, and breeding laws she doesn't understand, Astraea must learn to embrace the monster inside her. Because the Old Gods are watching, and if she and her mates can't prove the primordial bloodline deserves to exist, every Beast on earth will be erased from existence. The prophecy says she'll either unite the realms or burn them to ash. There is no middle ground.