The people who came were Duan Pizhen and Duan Wenyang, the two of them were brothers, the son of Duan Wu Bechen, and the younger brother of Duan Ji Lu, the Duke of Liaoxi.

Duan Pizhen was once named the Xianbei Zuoxian King by Emperor Huai of Jin, the general of the Fu Army, and the history of the Youzhou Assassin, which was controlled by the Great Jin Dynasty, because Youzhou has been partially encroached upon by the Zhao State, so the Duan Department was also quite dissatisfied with Liu Zhao, this time I saw that the imperial court sent Liu Kun, and I wanted to come to form an alliance with him, and today I got information that Jinyang was besieged, and Duan Pizhen immediately brought troops with his younger brother to help Liu Kun.

The Xianbei cavalry was as fast as the wind, and even Liu Yuan was afraid of three points.

20,000 cavalry attacked the Zhao army, the Zhao army was immediately in chaos, and did not care about attacking the city, but turned to melee with Duan Pizhen, the two Duan Pizhen brothers were brave and abnormal, rushing back and forth, the Zhao army retreated, Liu Kun in the city saw it clearly, Duan was indeed here to help him, he ordered to open the city gate to attack the Zhao army.

The Jin army rushed out of the city and plunged directly into the back of the Zhao army, the Zhao army was attacked on both sides, with countless casualties, Liu Yao saw that the matter could not be done, so he fled with the remnants of the army.

Liu Kun welcomed Duan Piyan and Duan Wenyang into the city, and the three of them talked about the recruitment conference that year, which was quite cordial, and they became brothers during the banquet, and agreed to reject Liu Zhao from now on.

Duan Piyan said: "Brother Liu, after Liu Yao ascended the throne, he changed his country name to Zhao, and now Shi Le has also established himself as the king of Zhao, I think our biggest enemy in the future should be Shi Le, Shi Le is assisted by Zhang Bin, his ambition is expanding day by day, and he has the ambition to annex the world, so we have to guard against it." ”

"Yes, Shi Le's power is probably greater than Liu Yao, he is the biggest enemy of our Great Jin, however, our best strategy at the moment is to stand still, wait for them to fight, and then we can take advantage of it."

"That's right, Brother Liu, from now on, we are an alliance that advances and retreats together, sharing blessings and difficulties, and I hope we can hold up a piece of the sky of Dajin in the north."

The three of them talked happily with each other, but before they knew it, Duan Pizhen rested in Jinyang, and he and Liu Kun became brothers who talked about everything.

Liu Kun and Duan Bu formed an alliance, so that Liu Yao no longer dared to attack easily, which gave Liu Kun time to recuperate.

At this time, Liu Yao was becoming more and more depressed, without sheep to dedicate his face, he could only watch the clay sculpture to live, and his personality became irritable, he wanted to kill people at every turn, some generals left him, surrendered to Shi Le, Shi Le took the initiative to attack Liu Zhao's territory under the persuasion of Zhang Bin, Liu Yao was defeated and retreated, until he retreated to Chang'an, and later retreated to Luoyang, and finally in a battle, Shi Le captured Liu Yao and was executed.

Shi Le defeated Liu Yao, unified most of the north, and immediately ascended the throne as emperor, with the country name Zhao.

At this point, Liu Kun's opponent became a pure Shile, Shile was busy fighting with Liu Yao, Zu Li and Liu Kun quickly seized the opportunity and expanded their territory, Zu Li recovered all the areas south of the Yellow River, and Liu Kun's power also extended to Xiangyuan, and the two exchanged letters to join forces to attack Shile.

Zu Ti and Liu Kun were both making pre-war preparations, accumulating grain and grass, reorganizing weapons, and recruiting soldiers, and they did not ask the court for a penny in all this, all of which they earned from self-reliance.

Seeing that the Northern Expedition was about to succeed, and there was a crisis within the imperial court, some people were unwilling to be lonely and wanted to live the emperor's addiction, so he was Wang Dun.

Wang Dun sits in Wuchang, has heavy troops, and gradually does not put Sima Rui in his eyes, if the court appoints officials to take office without his consent, he will either be killed or expelled, Wang Dun will control the government remotely, Liu Kui, Diao Xie, Dai Yuan and the three will work against him, Wang Dun also feels that he can't stretch out his fists and feet, so he wants to sit in the world by himself.

Wang Dun wants to rebel, and now he is most afraid of two people, one is Liu Kun, the other is Zu Ti, he thinks that if after the rebellion, the two of them return to the army to build Ye under the emperor's order, then he will fail, so he has to find an opportunity to get rid of the two before raising the army, and he will also smear Sima Rui and make him wear an unorthodox hat.

Wang Dun used a trick is to use the legendary book "Xuanshi Tu", this book appeared in the Wei period of Sima Yi, which recorded the prophecy of "the year after the horse", at that time, Sima Yi asked the god to manage the fortune of the descendants, and the result was also the year after the horse, but the pipe did not explain the meaning, and later after Sima Yi's official residence as the prime minister, he suddenly remembered that there was a general named Niu Jin, although Niu Jin made great contributions to him, but he was particularly taboo after the year of the horse, afraid that Niu Jin would endanger future generations, Just find a reason to kill him, after getting rid of Niu Jin, Sima Yi thought that his descendants could sit back and relax from now on, but he didn't know that the world was unpredictable, after his grandson Sima Ji attacked King Langya, he had a concubine Xiahou who was romantic, and hooked up with a small official in the mansion who was also named Niu Jin, and gave birth to Sima Rui without Sima Jin, that is to say, Sima Rui is not of royal blood, but the son of Niu Jin.

What Wang Dun wants to use is the legend of Niu Jima to discredit Sima Rui, so that he loses his supporters and sits on the emperor himself.

Wang Dun ordered people to go to the capital to build Ye to spread the book "Xuanshi Map", and explained the meaning of the Xuanshi Map in the Teahouse and other places, implying that the current emperor is not of Sima family blood, and for a time, it was full of wind and rain.

Sima Rui accidentally learned about this, he thought that Wang Dun was spreading rumors and paving the way for his rebellion, he knew that the day when Wang Dun would do it was not far away, at this time, he thought of Zu Ti and Liu Kun, and wanted to be the quilt, when they were on the Northern Expedition, they were lukewarm, and they didn't really support it at all, and now they want to use them, will they listen to their own orders?

Sima Rui decided to reward the two first, give them favor, and then transfer them back to Jiangnan Jianye to guard against Wang Dun and defend Jianye.

Liu Kui gave Sima Rui an idea and asked him to issue an order to cut Wang Dun's military power, without military power, it would be difficult to rebel even if he had the courage to rebel, Sima Rui complied, but the matter was not as simple as they thought, Wang Dun tore up the holy decree and blatantly disobeyed the king's order.

Sima Rui immediately ordered someone to reward Zu Li and Liu Kun, each plus a first-class prince, and sealed the marquis of ten thousand households, but Zu and Liu Kun insisted on not accepting it.

Liu Kun was full of confidence and was ready to fight all the way back to the Central Plains from Bingzhou, but at this time, his alliance brother Duan Pizhen had a problem, it turned out that his brother Duan Ji Lu died of illness, and his uncle Duan Shi Fuchen usurped the throne and stood on his own, Duan Pizhen stopped his uncle, but at this time, Pi Zhen's cousin Duan Moqi killed his uncle and stood on his own, so Duan Pizhen thought that it was all usurpation, refused to admit him, and asked Liu Kun to lead the Jin army to attack and kill Duan Moqi, Liu Kun didn't want to get involved in the Duan dispute, just wanted to persuade them, but he didn't expect Duan Pizhen to think that Liu Kun supported Duan Moqi, and he was annoyed and angry. Blatantly turned his face, after Shi Le knew about this, he took advantage of the chaos to attack Jinyang, Liu Kun and Shi Le fought hard, and finally could not repel Shi Le's ten horses, so he quietly went out of the city at night to find Duan Weiqi, and asked him to send troops to help him, because Duan Weiqi is now the person in power in Duan Ministry, just on his way, he was seen by Duan Pizhen's people, Duan Pizhen gritted his teeth and said: "Okay, you Liu Kun, our brothers, but you fell to that thief!?" ”