Immortality

Lu Changqing, who accidentally traveled to another world, discovered that there was a mirror full of unknowns hidden in his body, and a shadow trapped in the mirror that could evolve martial arts, Taoism, and immortality. Relying on the Qi shadow to practice martial arts and Taoism, he can quickly master Taoist techniques, and the mirror that traps the Qi shadow that can easily understand the Taoist techniques also hides a bigger secret. As Lu Changqing becomes stronger along the way, he discovers that this may be the secret of immortality...