Prehistoric: My Demon Ancestor Rahu Has Now Become a Saint

I traveled to the prehistoric world and was reborn as the demon ancestor Rahu. I was very panicked at first. Later, I successfully killed Dao ancestor Hongjun through Gou's Avenue. Now he has become a saint by luck. I thought the matter was over, but everything had just begun. Under the general trend of heaven, I replaced Hongjun and conformed to heaven. Later I found out. . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.