Who Is the Peak in This World, Only the Sword in My Hand

(No system + traditional fairy + slow heat + decisive killing + sword fairy + Cthulhu + fairy gourd flow) Infested by the old days, demons are coming The world turned upside down in an instant, at this time of life and death Liu Fusheng looked down at the clear sword light, caressed it with his hand, and swung out the sword... Between heaven and earth, there is only one sword...