Unknown Creatures Are Coming, I Am the Ceiling of Combat Power

Shen Zhiyuan has been dreaming every night since his 16th birthday. There will be different monsters in every dream, and he can only wake up by killing those monsters. The monsters in the dream are getting harder and harder to kill. Shen Zhiyuan spends more and more time in the dream, and what's even more frightening is that the dream becomes more and more real. Until one day, the monster in the dream came to the real world...