Er Gen is a popular Chinese author known for his work in the web novel genre, particularly in the realm of Xianxia, which combines elements of fantasy, martial arts, and Taoist philosophy. His stories often feature protagonists who cultivate their abilities, face challenges, and seek immortality in a richly developed world filled with magical creatures and powerful sects. His most notable works include Tales of Demons and Gods and Spirit Realm, which have garnered large followings both in China and internationally. Er Gen's writing is characterized by intricate plots, well-developed characters, and a blend of action and adventure, appealing to fans of fantasy literature.