If these 3,000 Liao people fought against the 10,000 Zhejia army, even if these 3,000 people were killed in the end, the loss of the Zhejia army would be not small, but now they only care about escaping, it will be different, and it will become a one-sided pursuit.

Half an hour later, the Liao city lord escaped from the north gate with more than 300 people, and the other 2,700 Liao people were all killed by 10,000 fierce "horse thieves", and all the Liao people who dared to resist in the city were unceremoniously killed by Zhang Bin's order, leaving only some women, children, old and young.

In this way, less than an hour before and after, Shuitou City was occupied by this group of well-armed and well-trained "horse thieves".

This is naturally a miracle, if it hadn't happened, no one would have believed that the Great Song army had captured a city in Liao in an hour.

You must know that although the Liao people are powerful, they have to pay a great price to capture any Song city, and even if it is a border village guarded by thousands of Song troops, if there are no special circumstances, it will take at least a few days to break through.

"Uncle Dang, let you plan some things in advance along the way, now it's time for you to make meritorious contributions, I will send you a thousand cavalry, as well as the more than 20 craftsmen I brought, you immediately drive the Liao people in the city, build the city gate that was blown down, and be sure to repair it before dawn." Zhang Bin rode a high-headed horse into the city, turned his head and commanded Su Guo next to him.

Su Guo was a spirit, and said loudly: "Okay, I've been preparing all the way, Ziyu, you just wait and see!" ”

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As the news spread that Shuitou City was occupied by a gang of horse thieves, several nearby Liao tribes exploded.

Although there are more horse thieves in Liao, everyone knows that a small group of horse thieves are really horse thieves, but most of the horse thieves with a scale of more than 1,000 people are actually dressed up by some tribal warriors who have a bad harvest or do not eat enough.

There are even times when small tribes in the Liao State are attacked by horse thieves, and then quickly fall into ruin, and have to rely on the big tribes, which is actually a means for some large tribes to annex small tribes.

But there has never been a horse thief attacking the city, and after the attack, he still occupies the city and does not leave, which is not the habit of horse thieves.

In addition, although the battle for the loss of Shuitou City was short-lived, the fleeing Liao people still found that these horse thieves did not look like locals of Liao, and before the city was broken, the Song caravan was even more strange, and even the terrifying thing that the city gate became ruins was related to the Song caravan.

Therefore, the Liao city lord who fled quickly deduced that it was not the local horse thieves who attacked Shuitou City, but the horse thieves from the Song Kingdom.

"No, no matter where the horse thieves are, it is impossible to have such uniform armor and swords, they are dressed up by the Song army." After the escaped Liao city lord came to this conclusion, his face was incredible, in his opinion, the Song people captured Shuitou City more than the horse thieves attacked Shuitou City, after all, since his grandfather's generation, the Song people have always been the object of bullying by their Liao State.

"Someone, hurry up and report to the king of the Southern Courtyard, the Song people have hit our Daliao, and they have also broken through our Shuitou City." The city lord who had fled back to his tribe was shocked, and immediately sent someone to report to Xiao Tianxiong, the king of the Southern Courtyard.

Seeing the messenger set off overnight, the city lord shouted loudly: "Send another person to each tribe and tell them that it is not the horse thieves who have captured Shuitou City, but the Song army who has captured Shuitou City, and let all the warriors in their tribe come over tomorrow and follow me to recapture Shuitou City." ”

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"Prison army, please redeem the lower officer, because the lower official is really too curious, what kind of artifact did the prison army get out, it actually made a loud noise like thunder, and it also blew up a big pit, and even the city gate became a ruin." When Zhi Kerou looked at Zhang Bin again at this time, his eyes were already very different from before Shuitou City was broken.

Before, he had to obey orders because of Zhang Bin's official position, even if Zhang Bin had great deeds, he was a little dissatisfied in the bottom of his heart, and even dissatisfied.

But now, Zheke is soft, completely obedient.

The Zhe family is the first general family of the Great Song Dynasty, generation after generation of generals, although not Han people, even the ancestors are party members, but there is a set of inherited military training methods, siege methods and field methods, for the war This kind of thing is an expert among experts, how can you not know what this weapon represents on the battlefield.

Zhang Bin smiled: "This thing is gunpowder." ”

After Zhang Bin answered simply, he didn't say more, Zhi Kerou wanted to ask something more, seeing Zhang Bin like this, he wanted to say and stopped, of course he knew that as long as they went back alive, this kind of artifact called "gunpowder" would become the magic weapon of the Great Song Dynasty, if they wanted to get their hands on such a divine object, they were afraid that it would attract the most serious suspicion in the history of the Emperor of the Great Song Dynasty and the courtiers, which would bring about the disaster of extermination.

Similarly, Zhi Kerou knew that as long as Zhang Bin controlled this "gunpowder" artifact, he would always have a certain transcendent status in the Great Song Dynasty.

Of course, Zhe Kerou was not without careful thinking, for example, before he came to see Zhang Bin, he had already asked people to memorize the three substances of saltpeter, sulfur and charcoal, thinking that after he returned, he would also arrange for the most reliable person in the clan to secretly study and mix it to see if he could get such a divine object out.

However, even if the folded family gets out, it will only be hidden secretly, and it will never be used until the family is in a life and death crisis.

Zhang Bin couldn't guess this kind of careful thinking about Zhe Kerou, but Zhang Bin was not worried, because the production process of gunpowder was placed in later generations, and some middle school students with strong hands-on ability could make it, but in this era, even the most mentally top people may not be able to do it for several years.

After all, what is potassium, potassium is an active element at the top of the periodic table, potassium compounds must be soluble in water, and so on, these knowledge is very simple, but as long as you don't know a little, you can't go on.

What's more, saltpeter is strong, and it has to be hammered, mixed with water and stirred, and the water has to be filtered out with gauze that filters tofu.........

The filtered water is poured into a large pot and boiled and dried.........

In the end, potassium nitrate, which has a lot of impurities and different shapes, will not have much effect even at this point.

Because gunpowder with the same size and pure particles is very different from gunpowder with different shapes and more impurities.

And in this process, the most important thing is the proportion, and the power of different proportions is also very different.

In short, Zhang Bin was not worried that someone other than him would be able to create a powerful black powder.

As for those old Taoist priests who were obsessed with alchemy all day long and delusionally dreamed of immortality, although they had come up with gunpowder in a bit of a daze, they themselves didn't know what was going on, because gunpowder was originally a derivative of their alchemy process.

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