Rules of Survival in the Flesh-And-Blood City

Anti-routine + bottom-level counterattack + egotism + cruel and novel world view Kill decisively, be a scumbag, never clean up, never look back. Some people are born with special body parts that entrust them with special abilities. Organs can be taken away, and people are like grass. If people become commodities. Each move costs life if used. How to climb up from the bottom? (The introduction is weak, please give me a chance to write 20,000 words)