Demon-killing Enlightenment

(Traditional fantasy, no system, no time travel, decisive killing.) This is a world where humans and ghosts coexist. The protagonist Mu Yang lost his memory and became stupid. After waking up, he started practicing. Humans practiced spiritual energy, while ghosts practiced resentment. Awareness of Qi, manifestation of Qi, condensation of Qi, killing Qi, wandering souls, resentful souls, resentful spirits, and intelligent ghost king Mu Yang, by chance, the spiritual energy and resentment cultivation tribe heritage "Reverse Spirit Mirror" helped him embark on a unique path of cultivation......