Thousands of Mills of Hardened Cast Iron

Wandering into the "land of dreams" I thought it was a bloody puzzle, but later I found out it was a utopian world, but why are there cyberpunk buildings here? Ancient times, modern times, future It even condenses "perfection" After four eras, turbulence and struggle, the destined ending has been changed. How should it be changed and how should it be written? What kind of writing can change the ending? Who is the variable?