They are learning it, very quickly, because they're inside, operating in it. Pushing levers, pulling cords, seeing what happens. Stories are very sticky, and they'll remember their own stories.
Madness string 77824
It came from between the folds of time and space and worlds and light and dark. Something that is but should not be slipped in and called out to them as their god, and they believed it, and they tasted it, and touched it, and laid with it, and became its property and did its will, and IT IS STILL HERE.