In the Great Xia Kingdom, demons invade and Martial Arts flourish. Gu Yuan, who is embarking on a graduation trip due to his lost love, boards a train. What he doesn't know is that at the end of the train is the Abyss! "I never believe that darkness is coming, because the torch is in my hand." --Gu Yuan, First Priest of the Human Race, Great Xia Kingdom, Demon Suppression Division, invites you all to return to the ruins!