Immortal Life Begins with Self-Sewing by Zhenmo Si

Traveled through the Daqian Town Demon Division and became a lowly corpse stitcher. At this time, demons are in chaos and treacherous ministers are in power, but Shen Mu discovers that as long as he sews the corpse together, he can obtain the deceased's lifetime cultivation and rare treasures. Suture [Ninth Grade Martial Artist] and obtain a Qi and Blood Pill. Stitch the [Ancient Great Demon] and obtain the fragments of the "Mending Heaven Sutra". Until one day, he was brought to the coffin of the current emperor... Since the sky is dead and cause and effect are split, it is up to me, Shen Mu, to bring peace to the world!