The Faith of Beasts - James SA Corey

The monstrous Carryx empire was built by subjugation and war. Thousands of species are bound to their Sovran’s command in an endless, blood-soaked test: be useful in the eternal conflict or be slaughtered. Dafyd Alkhor, highest among their human captives, is feared and despised by the very people he champions. Ruthless in carving out his niche in the eternal war machine of the empire, he will reshape human nature itself as a tool for their alien masters’ use. But Dafyd’s loyalty is not what it s