Da Qin Guarded the Great Wall for Eighteen Years and the System Gave Me Phoenix Blood

He was transformed into the seventh son of Ying Zheng. At the age of nine, he was sent to the frontier to guard the Great Wall for eighteen years. The Zhenguo System recognizes its master, and Longxiang Zhenyujin, Beiweijun, and Yanyun's Eighteen Cavalry are all acquired. In the thirty-seventh year of the First Emperor's reign, the ancestral dragon was about to collapse. Ying Changying stood up holding Feng Xue: I have guarded the world of Great Qin for eighteen years, and it is not Zhao Gao's turn to ruin it.