Deduction World: Infinite Possibilities

You get a system. You traveled through time and came to 100 million years in prehistory. You sneeze and the butterfly effect occurs. You changed the history of human evolution. A new civilization was born. The deduction is over and the world projection is about to be delivered. Time rolls by, with infinite possibilities. Every accident is a brand new world. "Relics of cultivating immortals?" "Prehistoric beast?" "Alien civilization?" Mom, this is not my home! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.