Gao Wu, I Killed Monsters in the Prehistoric Times to Level Up.

(Data panel, Gou, stable, invincible, decisive in killing + universal cultivation + no heroine + no virgin) Li Dong traveled to the Blue Star where spiritual energy was revived, and he had a strange dream every day for eighteen years. In the dream, the great god Pangu was constantly wielding his giant ax to open up the world in a dark world. As a result, Li Dong was exhausted every day when he woke up, unable to practice at all, and became a recognized waste. Eighteen years later, with only a hundred days left before the college entrance examination, Li Dong was expelled from the martial arts class for being too useless. The great god Pangu successfully opened up the prehistoric world, and Li Dong gained the ability to travel into the prehistoric world in his dreams. In the world of high martial arts, Li Dong practiced in a low profile and became invincible. In the dream world, Li Dong can be resurrected infinitely, kill gods, Buddhas and demons, and increase his strength crazily... At the university graduation ceremony, the nine-headed dragon turtle led an army of monsters to attack the island. Li Dong flew into the sky, causing thousands of thunders to fall from the sky...