In 1453, Constantinople fell, and a hell shaped by humans reappeared here.
In 1953, Jerusalem fell, and the real hell reappeared here.
As the gates of hell reappear in the human world, demons that originally only existed in the Bible set foot on the mortal world. The fragile road to heaven is therefore cut off, and the so-called ascension to heaven has become a luxury.
When people today face the erosion of demons, all they have is the legacy of heaven, the technology of other worlds, and the courage and praise of mankind itself.
Behind the curtain, the upper-level narrative records and edits this grand drama, using emotion as the anchor and cognition as the quality. Hidden behind the scenes, it indirectly affects the trend of the entire story, just to make suitable bait, reduce the shortcomings, and increase the narrative.