Traveling through the Qin Dynasty, Prince Ying Changying was wrongly sent to Northern Xinjiang for eighteen years. He bound the country's system to guard the border, learned peerless martial arts, and was equipped with elite iron cavalry. At the end of the First Emperor's reign, the Xiongnu and Donghu joined forces to invade the border areas and massacre the Qin people. He awakened the blood of the immortal phoenix, and his combat power exceeded the limit. He killed the barbarians and established a capital to terrify the grasslands. He also gained the loyalty of the poisonous warrior Jia Xu and decided to conquer Mobei. He wanted to use the iron cavalry in the northern border to defy fate and rewrite the fate of the Qin Dynasty!