Prehistoric: Get the Hongmeng Gate at the Beginning

The vast and primitive land is experiencing a bloody moment when the demon clan is slaughtering hundreds of millions of people. Fortunately, the prehistoric times did not keep track of time, and thousands of years passed easily, leaving a lot of breathing space for the human race. In a small tribe, a human boy named Jiang Chen was born due to luck, rose up, led the human race, and became the protagonist of the prehistoric times. Report the blood debt of the demon tribe to heaven for massacring hundreds of millions of people. The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.