Someone up top gave the tacit instruction to spare Chi Lai.
Could Wang Yang possibly resist this? He immediately realized that Wang Dachui was never normally this forceful; in breaking from his usual character today, he was clearly acting on the wishes of a certain Sacred Lord. Thus, to fight back now would mean fighting the very powers standing behind the sect master.
"So that's how it is! Sect Master, you should have made this clear from the start." Wang Yang completely withdrew all his aura.
Chapter 729