A poor sweeper named Yang Kai eventually acquired a black book, which started him on the way to become the best martial artist in the entire world. Reaching the pinnacle of martial arts is difficult, lonely, and it takes a long time. You must persevere and maintain your resolve in the face of challenges. To advance in your quest to become the strongest, you must finish this phase. In order to get them ready for this journey, Sky Tower gives its students the toughest exams.