In the locked sea, air and screen secret environment of tianwu continent, when Chu Nan first fought with nian zhong, Chu Nan made a vow with blood and life: one day, he would personally commit suicide and come to his door and step on nian zhong's real body, that is, Tian Kui, under his feet.

so when Qianyuan said that, Chu Nan made a decision to kill Tiankui. First, he wanted to make a vow on that day, and second, he wanted to find more energy for Xiaohei. Tiankui's place is really a good place.

hearing Chu Nan's question, Qianyuan said, "we don't know the man behind the emperor, but...