Jiang Hengchuan did not make too absurd a request in the case of Snake King resolving to kill them. Their plan would backfire then.
After briefly considering the pros and cons, Snake King's face full of wrinkles relaxed a bit. "Fine."
Thus, he made the Soul-pledging Oath as requested by Jiang Hengchuan. He swore that he would not use Secret Voice-sending that night, attack the two of them, or try to escape halfway through.
Meng Qi exhaled quietly after Snake King had completed his Soul-pledging Oath. That matter was finally settled.