Zhang Xiaofan is a fictional character from the popular Chinese web novel and animated series titled Mo Dao Zu Shi, also known as Grandmaster of Demonic Cultivation. He is known for his complex personality and significant development throughout the story, which revolves around themes of friendship, loyalty, and the struggle between good and evil. In the narrative, Zhang Xiaofan is a young man who becomes involved in the world of cultivation, where practitioners harness spiritual energy to enhance their abilities. His journey is marked by challenges and encounters with various characters, including Lan Wangji and Wei Wuxian, who play crucial roles in shaping his destiny.