Lord Muzan was the most powerful being, right? No. Many thought that. But no. Only Upper Moons learned about the literal gods. One for each Deadly Sin. Only once in a hundred years, when the moon was full and red, would they show. They showed to feast and to he worshipped as they should. Each one could easily not only kill every Upper Moon, but also Lord Muzan himself. Each Upper Moon was required to attend and, if they were respectful enough, would get a wish granted.

The Upper Moons stood in a line. They did this each time to great the gods. Then, the door opened.