I Can Enter the Wild World

The first time I entered the prehistoric world, I passively exited after a second because it was too weak. "Since I have entered the prehistoric era, why do I see white light at this second?" [The strength is too weak, so it is unable to perceive things that are too advanced] "..." Choked for a moment After rebirth, a portal appeared in Li Ding's mind that could take him into the prehistoric world. He was extremely excited. In order to speed up the time travel, he worked hard for five years and finally cooled down the portal travel time. However, because he was too weak, he passively retreated in one second...