It was during the Zhenguan period of the Tang Dynasty. The war in the Three Realms has subsided for more than five hundred years, and peace and prosperity have been restored to the world. The world is divided into four major continents, and all living beings are good and evil. Dongsheng Shenzhou is home to strange beasts and immortals, absorbing the essence of the sun and moon, respecting the etiquette of heaven and earth, and feeling refreshed and calm; Luzhou in the north is occupied by barbarians, and is home to many ferocious birds and beasts, which is extremely dangerous; Xiniuhezhou has many secluded fairy temples, where people practice the art of yin and yang, nourishing Qi and latent spirits, and everyone can live long;