Gao Wu: Become Stronger from Slaying Demons and Exorcising Demons

[High-level martial arts + decisive killing + refreshing story + no female protagonist + system] In a world of high-level martial arts, spiritual energy has revived, demons have flooded the entire blue planet, and the human base is shrinking. Can humanity return to a peaceful time? Lu Ze's soul is transported across time and he controls the system, becoming stronger step by step from slaying demons and monsters! Aim for the top of the world!