Transmigrated into a Cultivation World, I Survive by Scavenging Techniques Until Ascension

[Traditional cultivation + a little cheat] Lu Yuan accidentally transmigrates into a lowly laborer on the Cangxuan Continent, struggling to survive in this world of cultivation. By chance, he discovers a damaged cultivation manual among the belongings of his late friend Wang Dali, and realizes he has the unusual ability to complete incomplete manuals...