A strange apocalypse has arrived, the world is polluted by strange things, and all living beings follow twisted rules; the protagonist holds a fragment of the out-of-print ancient "Shan Hai Jing". The strange beasts, mountain gods, and strange places in the book are not myths, but the horror and strangeness corresponding to the real world. The protagonist can unlock the permissions of ancient books, command strange beasts, decipher strange rules, uncover the truth about ghost stories, and travel in various supernatural dungeons as a mortal. While protecting himself and surviving, he can uncover the ultimate conspiracy behind ancient books and the strange apocalypse.
