I'm Just a Catcher, You Want Me to Kill Demons?

[Travel + No System + No Routine + Passion + Cultivation] This book is also known as "From the Policeman in Armor to the Supreme Immortal Emperor", "Ten Years of Slaying Demons, Opening the Heavenly Gate with One Sword", "The Man Is in the Demon Slaying Department, and the Stunning Witch Begs to Be Let Go" …… "Grandpa, I heard that there were many monsters in the world before?" "Yes, we humans suffered a lot at that time, and people often became the blood of demons." "Then why are there no demons now?" "Because all the demons have been killed by a catcher!" ……