Prehistoric: the Unparalleled Human Emperor Creates the Method of Covering the Sky at the Beginning!

Jiang Cheng traveled to the prehistoric world, which coincided with the birth of the human race, and struggled to survive on the prehistoric land. Facing the threat from the demon clan, Jiang Cheng bound the human race's development system and created the method of covering the sky! Preach the human race, make it stronger and stronger, kill the demon clan, fight the witch clan, and create a bright world! When Jiang Cheng led a group of human immortal emperors to break through the sky, everyone was shocked! Monster Clan: "There are so many strong men in the human race? We actually have to refine the Witch-Slaying Sword?" Witch Clan: "How come the human body is stronger than our Witch Clan?" All Saints: "The human race is not the protagonist of the future world? How come it has become the overlord of the ancient world now?"