Tianyuan Zhi Hu

From Demonic Scanlations: This story describes a man named Nan Gong Sheng who gets caught in a terrible conspiracy while trying to learn about his life story. Forced to stand against his people, he starts to try and find a ancient book called "Tian Yuan Ce" in an attempt to stop a terror plot. While following the world in the mysterious book, characters with mysterious powers started emerging. Feelings within the demons have also started arising. Original Webcomic