Starting from the Troubled Times of Demons and Martial Arts, Dual Cultivation of Law and Body Began

Lin Feng, a casual cultivator at the bottom of the world of immortality, carries a wordless heavenly book and accidentally travels to a world of demons and martial arts where the human race is weak and demons are rampant. Lin Feng originally thought that he could resell materials from both worlds, rely on the Book of Heaven to continuously improve his cultivation, and reach the pinnacle of life. But he never expected that the world was not as simple as he thought...