In the darkness between two dying worlds, trust is the most dangerous magic of all.Katrina never expected to see Evren Avery again. Two years ago, she sealed the barrier between the Vales and the Miragelands, trapping herself in a realm of wraiths and ruins, paying for her sins in blood and isolation. She's survived on wit, determination, and the memory of one stolen moment-the night she knelt before a king in his empty castle and made a devil's bargain.One drop of blood for another.But when Evren appears in the underground city where she's barely clinging to survival, Katrina realizes the deal was never finished. The worlds are unraveling. Magic is failing. And the Ruthless King has come to collect-not her death, but her help.Together, they must journey into the heart of a dying realm, facing wraiths that hunger for magic, prophecies that threaten to destroy them both, and a connection that should have ended with that first exchange of blood. As Katrina's dormant power awakens into something new and frightening, she's forced to confront the truth she's been running from: some debts can't be paid with punishment. Some wounds can only be healed by the one person who knows exactly how deep they go.But trust is a luxury Katrina can't afford. Not when betrayal lurks in every shadow. Not when saving two worlds might mean losing the one person who's ever chosen her. Not when the price of her power could be everything-including the king who's determined to keep her by his side.A sweeping fantasy romance about redemption, second chances, and the dangerous magic of letting someone see the truth of your heart.