From ancient times to the present, countless people have been crazy about the word "immortal". Some people say that there are no immortals in this world because no one has seen them; some people say that there are immortals in this world because no one has seen them. Immortals are ethereal and illusory, like clouds and fog. Whenever there are traces of immortals in the world, people's spirits are shocked. In troubled times, the only way to find the right path is to seek immortality!