No One Is Allowed to Practice Immortality

In front of the Seed spaceship, Du Fu, Li Bai, and Gao Shi bowed their heads and said: "Disciples Li Bai, Du Fu, and Gao Shi, pay homage to the teacher." Li Bai: "Teacher, I am familiar with Shu. I will be your tour guide." Princess Yuzhen: "For my brother, I would like to ask my teacher to be my national teacher." Tang Xuanzong: "Demon Dao, you will not die well." Chen Mo: "I declare that the Yuxian Dynasty has been established." Chen Mo: "The first rule of the Immortal Dynasty is that no one is allowed to practice immortality." Chen Mo: "A dead immortal is a good immortal." Follow Chen Mo, a time traveler lost in the historical Tang Dynasty, and watch him replace the Tang Dynasty and annihilate the immortals from other worlds. (This article is slow to get started, science fiction + historical text + spiritual recovery + immortal cultivation VS guns + late-stage high technology VS high martial arts)