The Mongolian cavalry was invincible. The Mongolian cavalry once wiped out the Yuan Dynasty and the Jin Kingdom with overwhelming force, and established the Yuan Dynasty, the first unified feudal dynasty of ethnic minorities in history. The Mongolian cavalry has even left its footprints in Europe. They still maintain an almost complete victory record in Europe. However, the Mongolian cavalry is short-lived in the history of military warfare. The reason for this phenomenon is mainly because of the establishment of After the Yuan Dynasty, the rulers of the Yuan Dynasty did not value military power, and many Mongolian cavalry began to put down their weapons. They began to enjoy freedom and a happy life, forgetting the spirit of bloody battles in the past.

Genghis Khan established a unified Mongolia and Korea, laying a solid foundation for Kublai Khan to establish the Yuan Dynasty. This period was also the period when the Mongolian cavalry was at its strongest. Wherever the Mongolian cavalry went, there was almost no grass. The Mongols were also very keen on massacring cities. Basically, no one was left alive in the cities they attacked. Depleting the enemy's vitality was their ultimate goal. , although this method is very cruel, it is very effective for the army. Many enemies are frightened when they see them, let alone fighting the Mongolian cavalry at close range.

The Mongols originally lived a nomadic life, and they did not have their own handicrafts or agriculture. The Mongols did not go to such a prosperous area as the Central Plains. When they came to the capitals and cities of the Song Dynasty, they were completely attracted by the prosperity here. They had long forgotten the dignity of being a warrior, put down the butcher knife in their hands, and picked up the He drank the wine glass and began to live his own hedonistic life. This luxurious and comfortable life made the once Predator City become a place for people who couldn't afford a knife.

At the end of the Yuan Dynasty, there were basically no combat-effective troops. Except for Yuan Baobao's troops, all the other military forces in the Yuan Dynasty were just showpieces. After Zhu Yuanzhang destroyed Zhang Shicheng and Chen Youliang, he attacked the capital of the Yuan Dynasty with overwhelming force. The once invincible Mongolian cavalry had died in Wenwen Township.