Only 1 survivor eventually.
Scenario 1: All out, every man for himself. Everyone involved only cares for himself/herself.
Scenario 2: They still have some feelings. Huang Yaoshi will not strike Guo Jing because of his daughter. Guo Jing and ZBT will not fight each other. ZBT and WCY will work together. But there can only still be 1 eventual survivor.
Rules: No rules. Poison, tricks, anything. Fight to death.
Competitors:
Wang Chong Yang
Huang Yaoshi
Yideng
Hong Qigong
Ouyang Feng
Lin Chaoying
Zhou Botong
Guo Jing
Yang Guo