The Rules of Fight Club: Do Not Exist
This ain't your daddy's boxing/fighting/club. There's no structure/order/predetermined rules here, man. You step into this arena/ring/sanctuary and it's every man for himself. The only guideline/principle/truth is here that there are no guidelines/rules/limitations. It's a wild free-for-all/maelstrom/bloodbath, where the strong survive/prevail/rule