[A family of practitioners + emotional revenge + fateful choices + magical duels] In the long river of time, even some things we dismiss as dross are part of our cultural heritage. They may not be the essence, but they can still provide people with plenty to talk about over tea. Since ancient times, folk tradition has spoken of three great forms of sorcery: spirit-driving, spirit-tracking, and spirit-summoning. Some people call this line of work the art of magic, and those who practice it practitioners. Magic is a mysterious, unknown power that goes beyond the abilities of ordinary people.