Preface: It is said that in a land of the Central Plains, in a place with dense crowds, the land is divided into five large areas, each controlled by the five major families. Gold is related to the Yuan Mansion, wood is related to the Song Mansion, water is related to the Tang Mansion, fire is related to the Ming Mansion, and earth is related to the Qin Mansion. In addition, in the northernmost and southernmost parts of the Central Plains stand two sacred places, Xuefeng Mountain and Yushan Mountain. Among them, Xuefeng Mountain belongs to the Yin system and Yushan belongs to the Yang system. Not only the common people, but also the five major aristocratic families regard it as the highest honor to be able to go to the Holy Land to cultivate. Until one day, a melee between humans and demons broke out between the human world and the demon world. Finally, the two holy places joined forces with the five great families to use the spiritual power of the Five Elements Pearl to forcibly seal the entrance to the human and demon world. Yushan was in charge, and the human world returned to its former tranquility until 18 years later...