Royal Assassin by Robin Hobb

Royal Assassin is the second book in the Farseer Trilogy, following the story of FitzChivalry Farseer, a royal bastard trained as an assassin. As political intrigue and conflict escalate in the Six Duchies, Fitz grapples with his identity, loyalty to the crown, and the dangerous skills he possesses. With threats from within and outside the kingdom, he must navigate a treacherous landscape while trying to protect those he loves