The last traitor of Arnadore turned his back on his people for a misguided love. Now, he must confront his cursed past, reconnect with his culture, and unlock the magic hidden inside his heart. Exiled and alone, Osman finds himself thrust back upon the shores of the homeland he deserted a decade before. To repay the debt he owes the brother he betrayed, Osman must traverse the Uldani Isles. Across the frozen tundra of Kyflenor, to the mist-shrouded giant forests of Mornaserin, and beyond-his journey unraveling a secret legacy left to him by his father. "Promise of the Betrayer's Dagger is the sequel to Legacy of the Vermillion Blade. It is an epic coming-of-age adventure that explores the pain, joy, and unbreakable spirit of one of the series' favorite characters. The high fantasy world of Rhymera features vivid worldbuilding and a diverse cast of LGBTQIA+ characters." -Jay Tallsquall Sometimes, to find yourself, first you have to find your Family.