Tisroc is a title used for the ruler of the land of Calormen in C.S. Lewis's Chronicles of Narnia series. The Tisroc is depicted as a powerful and often tyrannical leader, representing the authority and culture of Calormen, which is characterized by its opulence and strict social hierarchy. In the story, the Tisroc is often portrayed as ambitious and manipulative, seeking to expand his influence and control over neighboring lands, including Narnia. His character serves to highlight themes of power, greed, and the moral complexities of leadership within the narrative.