The historical prototype of Xiao Xu, the king of Northern Liang Dynasty in Fierce Knife in Snow, is Xu Da, a famous Ming Dynasty. Farmer Xu Da is planing in the field. However, he is not willing to be inferior. At the age of 22, he followed Zhu Yuanzhang to Ming Taizu. Because of his outstanding talent, he was appreciated by Zhu Yuanzhang and began his military career for Zhu Yuanzhang. We can strictly restrain the troops and conquer two metropolises, three provincial capitals and more than 100 Fucheng counties. The streets are safe and the people have not suffered from the war.

The Historical Prototype of Xiao Xu, King of Northern Liang Dynasty in A Sword in the Snow —— The Life of Xu Da

Xu Da was brave and good at fighting all his life, and made outstanding contributions to the meritorious military service and frontier construction. Known by Zhu Yuanzhang as the "Great Wall of Wan Li". His words are few and his thoughts are profound. In the army, once the military orders are issued, they will not change. The generals were in awe of his orders, but they were respectful and cautious in front of Mao, as if afraid to speak. He is good at appeasing soldiers and sharing weal and woe with his subordinates. All soldiers are grateful for his kindness, willing to serve them and do their best. Therefore, all soldiers are willing to defeat the enemy.