From ancient times to the present, many people have visited the enlightened people in order to live forever. They went to Penglai in the east and Kunlun in the west. However, in the end they could only drag their tired bodies back to their hometowns to spend their old age. However, some people buried their bones in other places without anyone paying attention. However, there is a door in this world, which can make you become an immortal or a demon. The different paths in life may lie in this moment of choice. . . . . . . .