Li Xianyu was originally the most unanticipated "salted fish boy" in a small mountain village in the Eastern Border. An unexpected incident gave him a mysterious jade pendant, and he was forced to be involved in a battle in the fantasy world. Along the way, he made friends such as Su Qiaoling and Zhang Tiangang with his humor and wit, and started a journey of growth that was both unfortunate and joyful. The crisis of the sect, the turmoil of the world, and ancient prophecies are intertwined. Under the push of fate, Li Xianyu relies on self-choice, strong friendship, and self-deprecating spirit to reverse fate, achieve legend, and finally save the world with a smile. The plot of the book is compact, full of ups and downs, full of laughter and tears, and the writing is funny and heart-warming.