I Really Don't Know How to Slay Demons: Kidnapping Bixian at the Beginning

My Lin Yin, I really don't know how to eliminate demons. I am just an ordinary person who has lived for hundreds of years. I can only defeat the pen immortal with one punch. I can only trample the Yin and Yang worlds at will. I am only a little more powerful than normal people. I can only defeat hundreds of immortal masters. So, I really don't know how to slay demons This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.