Lu Changsheng died suddenly while working overtime, traveled to a fantasy world, and became a useless child of the Lu family branch in Qingyang Town, Eastern Region. In this world where the strong are respected, he suffered humiliation without spiritual roots, and even his fiancée broke off the engagement in public. In despair, the mysterious inheritance that had been dormant for three thousand years awakened in his body - it turned out that he had not traveled through time, but was the reincarnation of a seeker from eons ago. From then on, Lu Changsheng embarked on a unique path of cultivation, asking questions in the world and sharpening his sword with time. When the great calamity of heaven and earth comes again, the gods and gods discover that the mortal whom they once laughed at has been wandering in the world of mortals for three thousand years, and can cut down the sun, moon and stars with one sword.