Cai Jun's " Tianji " was a fantasy novel. It told the story of a young man named Ares, who had experienced many difficulties and dangers in the process of searching for the truth. In the end, he fought a decisive battle with the evil forces. In the story, Ares discovered the secrets hidden behind this world after some exploration and investigation. He also discovered the true identity of the evil forces. He fought fiercely against the evil forces and finally defeated them to protect the safety of the entire world. In the final battle between Ares and the evil forces, Ares paid a heavy price, but in the end, he won and the world was protected. The ending of the story brought hope and enlightenment to the readers.