Because Su Chen knew very well that the risks of actually going to the God-Slaying Clan to rescue Yan Yanqi were simply too high. One slight misstep, and he would end up throwing good money after bad.
Not only would he fail to save Yan Yanqi, but he would also forfeit his own life—it was a completely irrational course of action.
"As long as they don't catch me, I trust Gu Ding won't execute Yan Yanqi. I need to build up my strength. The next time I return to the Myriad Clans Continent, I'll go to the God-Slaying Clan myself to rescue Yan Yanqi."
Chapter 1479