After completing the mission of catching demons, the demon hunter Wu Xiaoxie was told by Master Tanyao about the demon king map and the legend of the dragon bone pen, searching for the dragon bone pen. Encountering Wei Shuo, who had the ability to predict the future, Wei Shuo sacrificed himself to write at a critical moment.Wu Xiaoxie broke his ancestral teachings and sealed the clone of the Demon King (Greed), but was reborn from nirvana as a result.