Wubei Zhi (Vol. 10)

...along the side of the road. By day, the Red Eyebrows sent ten thousand men to attack Yi's vanguard. Yi sent out only a few troops to rescue them. When the rebels saw that his force was weak, they committed their entire army to attack Yi. Yi then unleashed his troops for a grand battle. At sunset, the rebels' spirit waned, and the ambushers suddenly rose up. With the clothing in disarray, the Red Eyebrows could no longer distinguish friend from foe. Their masses fell into terrified retreat. Yi pursued and defeated them at the foot of Mount Xiao, receiving the surrender of eighty thousand men and women. The remaining Red Eyebrow forces headed east toward Yiyang. The Emperor personally led the six armies, arranging them in strict formation to wait for them. The Red Eyebrows were shocked when they suddenly encountered the great army. They sent Liu Gong to beg for surrender, asking, "Penzi is leading a million men to surrender to Your Majesty; how will you treat them?" The Emperor replied, "I will treat you by not killing you, that is all." On the bingwu day, Penzi, along with the Chancellor Xu Xuan and others, surrendered with their upper bodies bared. He presented the Heirloom Seal of the Realm The imperial seal representing the mandate of heaven. The Red Eyebrow forces still numbered over one hundred thousand. The Emperor ordered the imperial kitchens to provide food for them all. The next morning, he displayed his troops in a great formation facing Luoyang...