The Witcher meets October Daye with a splash of John Wick in this dark, gritty, and sexy urban fantasy-noir. Kai Donovan has always had sharp teeth. Earning his keep as an underground fighter in South Boston, he revels in well-earned notoriety. Wild. Irreverent. Vicious. His secret: he's the monster from a fable. But when Kai loses a match against a mysterious opponent whose ferocity rivals his own, he finds himself beholden to the underworld....