Robin Hobb

FitzChivalry Farseer, the illegitimate son of a royal prince, is brought into the royal court and trained as an assassin in secret service to the crown. As he grows up, he learns both political intrigue and deadly skills while navigating a dangerous royal family filled with rivalries and betrayals. Fitz also discovers he possesses a rare magical ability called the Skill, which connects minds, and a deeper bond with animals known as the Wit. As conflicts rise in the kingdom, he is forced to choose between loyalty, survival, and his own identity.