The core characteristic of the protagonist Lin Yuluo is his Tiangang physique with extremely rapid self-healing. The word "Xiatu" summarizes his life from hiding his powers, saving people, becoming a martial artist, and finally ending the war with his own life. The title of the book directly points out the core setting and the main line of life. The martial arts is highly recognizable and concise.
Purpose: Chivalry is never about relying on strength to show off cruelty or unrivaled martial arts. It is about choosing to sacrifice yourself to protect the common people when you have power that is different from ordinary people. The protagonist possesses the unique Tiangang self-healing physique. He could have spent his life in hiding and in peace, but he stood up again and again in plagues and wars, interpreting the greatness of a chivalrous man who serves the country and the people.