The sun had already risen, the morning fog on the wilderness had gradually dispersed, and the military formation of the Manchu army had clearly appeared in Wu Sangui's eyes. From the banner of the opposite military formation, Wu Sangui easily recognized which generals were the commanders of the opposing army.

"It's Huang Taiji and his two yellow flags, as well as the positive red flag and the blue flag, where are the two white flags?" Wu Sangui thought silently.

At this time, a group of about a dozen cavalry cavalry ran out of the Qing army's military formation on the opposite side, and they slowly approached the Shanhaiguan Pass in a loose formation. Wu Sangui knew that most of the cavalry were here to shout. Because facing the wall more than four feet high, these dozen or so cavalrymen could not do anything else.

The formation of these more than ten cavalry is very scattered, and it will be very inefficient to shoot them. As for muskets or bows, they don't stupidly run into range of muskets and bows. Sure enough, when these cavalry approached a distance of more than 100 paces, they turned in a direction parallel to the wall, and while galloping on horseback, they shouted for the Ming army in the city to surrender.

This is really Hu Er learned the Han language, but scolded the Han people to the city. These barbarians, when they were homeless, we Han people took them in out of kindness, and now they have relieved themselves, and they treacherously attacked us when we were in trouble! This is really a farmer and a snake! By Wu Sangui's side, a person suddenly said. Wu Sangui turned his head to look, but it was Duncan, the commander of the Model Army who was sent here to command the artillery. Duncan was now holding his golden beard with his right hand, his hair was all covered by his helmet, and if he had put down his visor so that no one could see his big nose and green eyes, he would not have been able to tell that he was a Tessie just by listening to him or by looking at his attire. Duncan himself, on the other hand, was always accustomed to attributing himself to the Han Chinese. According to him, the "Han Chinese" are determined by spirit, not by blood.

"General Deng." Wu Sangui said, "The Tatar human face and beast heart are indeed hateful. But Shanhaiguan is not an ordinary pass, and we will definitely be able to stop those Tartars. ”

"Shanhaiguan has been built for too long." Duncan said, "The walls are too high, and they're too straight. It's a pity that the Tartars came too quickly, and they didn't have time to build a supporting fortress outside the wall. Otherwise, how many of these barbarians come, how many they die! ”

Fortress or something, Wu Sangui has already learned something about this in his dealings with the Zheng family at this time. He nodded, "Indeed, it would be better if there were three more sharp corners in front." But even without these, Shanhaiguan will not be able to fight in a short time. The Tartars are not very good at siege, they rely entirely on siege, without exception. And Shanhaiguan is not a city that can be besieged. ”

Speaking of this, Wu Sangui looked at the Qing army's military formation again, and then said: "The Tartars haven't had time to build a high platform today, so they won't launch any big offensive, at most they will just try to fill in the holes we dug outside. Dig up our stakes. ”

Before the arrival of the Qing army, the Guan Ning army dug a lot of pits outside the city and buried a lot of wooden stakes. These are all regular tricks used to block the approach of enemy shield carts. Of course, the opponent will also have the corresponding means to crack it. In short, in general, they will destroy these obstacles first before a large-scale attack begins.

The horsemen ran and shouted a few words, and then turned back. For the next whole day, the Qing army did not make any more moves. As seen from the walls of Sekijo, it seems that they were busy cutting wood in the surrounding hills, perhaps to build something like a barracks and shield carts. In the afternoon, from the tower of the city, you can already see the Qing army digging and building a high platform. In the city attack and defense battle, the defending side, because of the tall city walls and towers, has a great advantage in the field of vision, and it is always easier to find the opponent's moves, while the city wall blocks the opponent's line of sight, making it difficult for the attacking side to grasp the opponent's moves, so that in the combat command, the side defending the city can occupy a greater advantage.

In order to weaken the opponent's advantage as much as possible, piling up a high mound of earth not too far from the opponent's city wall until it exceeds the city wall, or even exceeds the height of the city tower, so that the opponent can be effectively observed, is also one of the common means when attacking the city. Nowadays, because of the cannon, this high platform has a new purpose, that is, it is used as a fort. As long as the platform is high enough, the cannons mounted on it can gain a longer range than the cannons on the city walls, and can pose a huge threat to the defenders of the city.

It took the Qing army a day to build a camp and build hundreds of shield wagons, and early the next morning, they began a tentative attack. The main purpose of this attack was to clear the pits and stakes outside the castle. Of course, those who do this kind of work are coated minions. They carried bags full of dirt, braved the fire of the Ming army in the city, and little by little filled in the pits in the ground and pulled out those wooden stakes.

On this day, for the first time, the Qing army also saw a weapon that they had never seen before, a landmine. Outside the Shanhai Pass, next to the pits dug by the Guanning Army and the wooden stakes buried, the engineer team of the Model Army also planted a lot of mines.

After the successful development of the pull fire hydrant, subject to the black. Fire. The explosive power of the drug is insufficient, so the grenade must be heavy in order to ensure sufficient lethality. Therefore, the grenades of the model army are actually only useful when they are condescending to defend the city. However, landmines do not need to be thrown, and they can be made heavier. However, in fact, the mines of the Model Army are even lighter than their grenades. It contained not much more gunpowder than a cannon, and when it exploded, it basically couldn't kill anyone, only the sole of the foot that stepped on it. However, Zheng Sen felt that in this era, considering the level of medical care of the tragedy at that time. Blowing up one or half of the sole of the foot will not only cause disability, but will most likely lead to infection, and then death as well. And they can scream for days before they die. And their screams will undoubtedly break the morale of others.

However, in this era, if you want to rely on this thing to reduce the morale of the enemy army, the effect is not necessarily particularly good. With one non-loud explosion after another, one after another of those who were filling in the pits or digging wooden stakes fell to the ground, wailing in pain. At first, the Qing troops from a distance did not perceive what the problem was, and only thought that they had been hit by the arrows or muskets of the Ming army on the city wall. But soon they didn't care what the coats had fallen to, anyway, the way to deal with them was the same, that is, they would shoot any coats that had fallen but weren't immediately dead.

However, the presence of landmines still significantly reduces the efficiency of the coaters in filling the pits and removing the wooden piles, and increases the casualties of those coatings. Therefore, Wu Sangui, who has been observing the dynamics of the Qing army, feels that landmines are indeed a good thing. He was even already thinking about buying another batch from the Zheng family.

"This thing, when used well, is no worse than a cannon. It's a pity that the power is a little smaller, if you can blow people up directly, it is estimated that you can scare a large number of stupid people. Wu Sangui said.