My Physique Grows on Its Own, So I Keep a Low Profile While Cultivating

Zhang Chuan accidentally transmigrates to a world of immortal cultivation and gains a physique that automatically improves his aptitude and cultivation at certain times. From then on, the road ahead stretches without end, his lifespan seems boundless, and the joys and sorrows, partings and reunions, rain and snow, and storms of the mortal world leave not the slightest trace on him. Through the long years, he looks back in a sudden moment, and everything that came before is but drifting clouds and smoke...