Ye Huan, a medical sage in the end of the Dharma era, realized the secret of longevity before his death. The secret was written in accordance with the rules of heaven and earth, and he traveled back 10,000 years with the memory of Ye Huan I. In the Zhongtian Continent ten thousand years ago, monks walked all over the place, There are as many monsters as hair, and everyone seeks longevity, but few can reach the end. However, because of good cultivation, there are also some powerful human races that have lived for thousands of years, and monsters that have lived for thousands or even tens of thousands of years. Monsters. In short, this is an era where all people are armed and magic is prevalent.