Original God: Cthulhu invades, Mondstadt is destroyed at the beginning

This is a world where subjectivity becomes objectivity. It is a process of materialism turning into idealism. People never thought that the "He" that a group of lunatics talked about would soon occupy the entire sky and gaze at this once peaceful continent. The disaster came very suddenly. At first, it was thought to be a disaster in a small town, but unexpectedly. The seven kingdoms were destroyed. The seven gods died. In the end, only a deformed human was left in the desolate and dead wasteland. A series of kaleidoscope-like illusions appeared in front of him, and then all of this was dissolved from time to time in an unfathomable vast dark abyss, and countless deeper black worlds and suns were spinning in this abyss...