Why Is This World of Immortality Filled with Old Scumbags?

"My name is Wang Chi. I am an honest man, pure and kind, and I don't want to see blood." "Hmm... I think so too." "Yeah, it's so boring to be fighting and scheming all day long." "Yeah... So can you put down the knife behind me?" "Of course, my friend." "Dang Cang." "... Just a handful?" "Dang Cang." "... Can I finish it all at once?" "What's left is not a knife."