Descendants of Maoshan is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Zhang Guozhong opened the door to Maoshan Taoism because of a copy of "Maoshan Tuzhi" that he accidentally obtained. From exorcising ghosts and warding off evil spirits to exploring secrets and wonders, set foot in various regions and use Maoshan techniques to unravel the sleeping mysteries of the ages!