The Way of the Prehistoric World

A medical student was reborn into chaos and discovered:
It turns out that the prehistoric world was much "smaller" than the universe in previous lives! And there are countless prehistoric times in chaos!
It turns out that Pangu had no intention of opening the sky at all! There is another reason for the death of the three thousand Chaos Demon Gods!
It turns out that "Liang Jie" is basically a drama written and directed by Tiandao, performed by several protagonists and countless supporting actors!
It turns out that Three Thousand Avenues turned out to be