I Was Demoted to Earth, but I Can Kill Gods.

Tianzun Li Qingchen was demoted to a mortal, and millions of years of cultivation were all wasted! Fortunately, his apprentices left him countless treasures. There is also an inexplicable god-killing system! So... The century-old demon king? Get out of my way! The Demon Emperor from the year before last? Go and die! The empress of ten thousand years? Uh, how about you become my concubine? When I return to the Nine Heavens, Nothing can stop me that day! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.