I Have A Sword That Can Slay Demons And Eliminate Ghosts

I have a sword that is incredibly sharp, capable of slaying demons and eliminating ghostsQin Fangcheng has been haunted recently, and many families are eager to invite Taoists. People who cannot find Taoists are also bowing to the temples to worship Buddha and seek talismans.The future head of the Lu family, Lu Mingyuan, accidentally obtained a sword in the mountains while participating in a family competition. This sword is very supernatural and will automatically sound when encountering ghosts and monsters.Li Ruoshui, the little fan sister of Lu Mingyuan, was possessed by a demon.The Li family is searching for experts and cannot save her