The gunpowder ran out quickly, and it was a heavy burden on everyone's mind.

Although the people who participated in the military conference made various suggestions and made promises, they would lead their soldiers to fight to the end, and even if there was no gunpowder, they still fought hard with the sword in their hands, bows and arrows, and even fists and teeth until the last man. But everyone knows that without gunpowder, the combat power of the Datong army will drop exponentially, and the casualties paid will also increase exponentially.

What the final outcome will be, no one can predict. This made the generals who were originally very optimistic and felt that they could defeat Jiannu and finally win the battle, and their hearts were clouded.

Cao Yue knew that this incident would affect morale and hit the confidence of the leading generals, but he couldn't help but tell the generals the true situation. There is not much ammunition left, and it must be used sparingly, otherwise all ammunition will be used up and eventually cause a big problem.

He also made arrangements on the spot, starting from tomorrow, the ammunition will be used sparingly, and when facing the siege of the Han army, the Korean army and the Mongol soldiers, try to use muskets as little as possible, and use bows and arrows, rolling stones, sassal wood, and hot oil against them, and wait for the Jurchen elite cavalry to appear in the musket firing range, and then the musket battalion will concentrate on shooting, and strive to make the Jurchen elite cavalry pay a heavy price.

Cao Yue, who had read the history books, knew that the number of Jurchen people in Jiannu was very small, and the total number of men, women, and children was only a few hundred thousand, and the number of young and middle-aged people who could fight was only more than 100,000. The replenishment of the population is very slow, and if this battle can kill and injure Allah in large numbers, then the vitality of Jiannu will be further damaged.

The stock of gunpowder was insufficient, so this method could only be adopted, and the gunpowder was mainly used against the Jurchen Jingqi.

After re-making tactical arrangements, Cao Yue also ordered the generals to prepare.

Wei Daben and Sun Chuanting stayed behind to continue discussing things with Cao Yue.

"Inspector Sun, Cao Zongbing, Jiannu has deployed a lot of troops in the direction of the south gate, although there are still our soldiers and horses outside the south gate, but our passage out of the city is basically blocked, if the army wants to enter and exit the city, there is still a chance, but to transport a large number of materials, it is very difficult," the busyness of the past few days has made Wei Daben, the prefect of Datong, feel a little haggard, but what makes him most uncomfortable is that he still can't transport strategic materials into the city.

In Datong City, the most urgent need now is saltpeter, the raw material for making gunpowder, the saltpeter in Datong City has been used up, and it needs to be extracted and transported from the saltpeter mine near the collar, but now the four directions of Datong, except for the south gate direction, have not been completely blocked by Jiannu, and several other directions have been surrounded by Jiannu. In the direction of the south gate, Jiannu also sent tens of thousands of horses to set up an ambush, and if they wanted to transport supplies into the city, they would definitely be attacked by Jiannu.

Several teams of men and horses sent by Wei Daben to transport supplies were attacked by Jiannu and suffered heavy losses.

That is to say, from now on, as long as Jiannu is still under Datong City, it is almost impossible to transport a large number of materials into the city.

Without saltpeter, gunpowder would not be able to be manufactured. Without gunpowder, the battle to defend Datong would not be easy to fight, and the casualties paid by the Datong army would have been very high. This made Wei Daben blame himself, he felt that he was very incompetent and could not make more contributions to the defense of Datong.

"Lord Wei doesn't have to blame himself," Cao Yue smiled at Wei Daben, "It's already a miracle that this battle can be fought like this, and the Datong army can recreate slaves without many casualties." Although it is said that the combat strength of our Datong Army mainly depends on gunpowder, but without gunpowder, we are still an elite division, and we do not need to be afraid of Jiannu. Next, we will continue to find a way to transport saltpeter to the city, and make various other preparations as well. Since Jiannu has decided to gather heavy troops to attack Datong, let them have a good understanding of the power of the Datong army. At most, our Datong army and Datong lived and died together, and the last person was killed, presumably only a group of remnants of the Jiannu army at that time were defeated. ”

"Lord Wei, we have to believe in General Cao Bing, he will definitely be able to command the Datong army to defeat Jiannu and keep Datong!" Sun Chuanting on the side also looked happy, and also raised a copy of the Tang newspaper in his hand, "Zhou Yuji and the Jiang brothers have promised to rescue Datong, and the soldiers and horses they lead are also good in combat, at least Dolgon dare not despise them." In the coming days, it should be Jiannu who is even more unhappy, not us!"

"What Inspector Sun said is reasonable," Cao Yue immediately agreed with Sun Chuanting's words, "Now the situation of Jiannu is many times more difficult than ours, they have paid the price of tens of thousands of people, but they have not achieved any results. Dolgon must have been furious there, and Jiannu had made many expeditions to the south, never so suffering heavy casualties but achieving little success. ”

Seeing that Sun Chuanting and Cao Yue were full of confidence, Wei Daben felt a little better, and then the three of them continued to discuss the future battle arrangements.

Zhou Yuji, Jiang Rang, and Jiang Ping were willing to send troops to help stop the Liukou, Cao Yue's worries were a little less, and Cao Yue was very appreciative of Jiang Xuan's ability to return after persuading the two elder brothers, it seems that the impact of some events can change some people, and by the way, it also changes history.

In this Datong defense battle, Cao Yue was confident that he would not lose so badly, and at most he would lose both. From the perspective of the Ming Dynasty, even if you lose both sides with Jiannu and pay twice as much loss as Jiannu, it is still a huge victory.

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Early the next morning, Jiannu began to attack the city.

Dolgon still used the Han and Korean armies and the Mongols as cannon fodder, and the Han Eight Banners and the Korean army attacked first.

The main attack in the direction of the north gate was changed to the red flag of the Han army of the obedient king Kong Youde. Shang Kexi and Geng Zhongming's Han army has been basically disabled, and there are not many men left, because Shang Kexi and Geng Zhongming have already died, and their men and horses can no longer be used as the main attack.

Dolgon ordered the remnants of Geng Zhongming, a monk who had been incorporated by Kong Youde, to follow Kong Youde to attack.

Kong Youde knew that as the vanguard of today's siege, his men and horses must have paid a very heavy price, and it was even possible to follow in the footsteps of Geng Zhongming and Shang Kexi's subordinates, and almost all of them died under the muskets of the Ming army. But he had no choice but to bite the bullet and accept the order.

Dolgon also ordered Kong Youde to attack intensively in batches with thousands of men and horses in each wave, and try to consume the ammunition of the Ming army.

Kong Youde also faithfully carried out Dorgon's orders, and only 2,000 men were sent in the first wave of attacks.

In the morning light, 2,000 Han troops were carrying a ladder with a red flag and quickly attacking in the direction of the north gate of Datong.

In the Jiannu array, the horns of the charge were whining, and the war drums were beating one after another. The Ming army at the head of the city did not make any major movements, and it looked quiet.

When they were about to reach the range of the Ming army's muskets at the head of the city, the charging Jiannu scattered their formation and increased their speed, ready to meet the guns of the Ming army. But it is strange that the artillery of the Ming army did not shoot, and after they rushed into the range of the muskets of the Ming army, they were not fired by the muskets.