While Gungun and Houtu matched wits and courage in the Netherworld, a great war between humans unfolded in the outside world over the throne of the Human Emperor.
After Xuanyuan, chief of the Youxiong Tribe, formally declared war on Chi You, chief of the Nine Li Tribe, both sides mustered their armies and advanced against each other, confronting one another on the Zhuolu Plains!
Holding the Tiger Soul Saber and riding a mighty, imposing black-and-white Iron-Eating Beast, Chi You advanced and shouted, "Xuanyuan, come forward and answer me!"
"Roar!" A dragon's roar rang out. With the Immortal Sword in hand and Yinglong beneath his feet, Xuanyuan soared through the air toward him.
Seeing that Chi You's mount was an Iron-Eating Beast, which the Youxiong Tribe revered as an object of faith, Xuanyuan's expression changed slightly. He soon recovered, however, and called out to Chi You, "Chi You, things have come to this. What more is there for us to say?"
"Xuanyuan, I am a descendant of the great god Pangu, blessed with a noble bloodline! You are merely an ordinary mortal. What virtue or ability gives you the right to covet the throne of the Human Emperor? The battle has yet to begin, and there is still time. If you submit to me and change sides, I promise to treat you with courtesy and grant you everlasting rule over the lands south of the Yellow River!"
Hearing this, Xuanyuan replied, "Why don't you submit to me and change sides instead? I will treat you with courtesy and grant you everlasting rule over the lands north of the Yellow River. How does that sound?"
"Once war breaks out, countless sons of our Human Race will be killed or wounded. They all have parents and siblings. How can you bear it?" Chi