After receiving the order, Zheng Guo immediately went to survey the terrain and determine the route of digging the ditch, and the Qin army also rearranged it according to Wang Jian's order.

Sure enough, three days later, the drainage ditch was dug and the stagnant water outside the cofferdam was drained, and then Zheng Guo personally demarcated the drainage ditch route around the cofferdam, supervised the excavation of the civilian service, and also heightened and strengthened the cofferdam.

During this time, the Dai army launched two more raids on the Qin army, and the Qin army strengthened the protection of the cofferdam, and according to Wang Jian's instructions, as soon as they saw the Dai army's warship, they immediately hid below the cofferdam, and the Dai army thought that the Qin army was scared away by their own pottery missiles, and immediately rowed the raft and landed on the shore.

But as soon as the Dai army boarded the cofferdam, the Qin army immediately came up again and started a melee with the Dai army, but the Dai army not only did not have time to destroy the cofferdam, but even the bed crossbow on the warship did not dare to fire pottery missiles. After the two sides fought for a while, reinforcements from the Qin army arrived one after another, and at the same time, more than 20 trebuchets were pushed to strike at the warships. Seeing that the situation was not good, the Dai army immediately boarded the raft and left the cofferdam.

On two consecutive occasions, the Dai army was blocked by the Qin army in this way, not only was the cofferdam safe and sound, but also a large warship, more than 20 rafts, and more than 500 soldiers were killed by the trebuchet of the Qin army.

Successfully repelled the surprise attacks of the Dai army twice, and actually sank a large warship of the Dai army, achieving such a result also greatly boosted the morale of the Qin army, and also improved the morale a lot. The drainage ditch was repaired, the stagnant water was drained, the cofferdam was heightened and reinforced, and the troops were also arriving one after another, so the Qin army also regained confidence in the battle situation.

And Gao Yuan also has to admire Wang Jian, in this case, Wang Jian was able to find a way to deal with it with the current conditions, and he is indeed worthy of being one of the four famous generals of the Warring States.

However, the Qin army has the response of the Qin army, the plateau has its own new moves, the third attack, the plateau will divide the troops into several ways to attack, or the east and the west, or go hand in hand, or bluff, true and false, false and real, there is nothing to send a fleet around the cofferdam, but the Qin army has to play a spirit of twelve points to deal with. And Baimi will eventually have a mistake, as long as the opportunity is seized by the Dai Army, it will catch the Qin Army off guard.

The two sides fought for more than 20 days in a row on the back and forth of this restriction and counter-restraint, and each gained from each other, and the Dai army succeeded in two surprise attacks, dug up the cofferdam to release water, and destroyed more than a dozen trebuchets of the Qin army. Fortunately, the drainage ditch of the Qin army had been repaired, and after the gap was blocked, the stagnant water was quickly drained, so that it did not cause much damage to the Qin army. The Qin army also successfully destroyed several warships and dozens of rafts of the Dai army, each with damage.

But at this time, Wang Jian received an urgent request from Changping Junxiong who was stationed in Yingchuan County, and the Korean clan of Yingchuan County rebelled, and established the Korean clan Han as the master, and captured the old capital of South Korea, Xinzheng, and successively captured Xincheng, Huayang, Changge, Linzhong, Maling and other places around Xinzheng, and now has gathered more than 50,000 troops, which is quite powerful. Moreover, Ju Shuo also sent people to contact the state of Chu and asked the state of Chu to send troops to help.

It turned out that Zhang Liang was ordered by the plateau to rush to Chu State, ask to see Xiang Dong, and was introduced by Xiang Dong, received by Xiang Yan, and explained the interests to Xiang Yan, and asked Xiang Yan to write a letter to dissuade the Korean family, not to act rashly, and to act lightly.

After listening to Zhang Liang's persuasion, and Xiang Dong also helped Zhang Liang speak again and again, and what Zhang Liang said was indeed reasonable, so Xiang Yan also immediately repaired a book, sent it to Yingchuan, and handed it to Han Cheng.

Now Xiang Yan is the most powerful minister in Chu State, and his identity is naturally extraordinary, plus Chu State and Yingchuan County border, in the eyes of Han Cheng and the Korean clans, Xiang Yan's weight is far greater than that of the plateau far away in Dai County, so after receiving Xiang Yan's letter, Han Cheng and the Korean clans really did not dare to act rashly, so they had to endure it and wait and see how the situation changed.

The battle of the Qin army to attack Daliang was not going well, and Wang Jian also continuously transferred troops from Yingchuan, at this time the garrison of Yingchuan was only less than 25,000 people, and the Qin army also had to garrison 8,000 troops in Yancheng on the border of Qin and Chu, and 5,000 troops in Yangcheng, plus the Qin army stationed in various parts of Yingchuan, so the Qin army stationed in Xinzheng was only more than 6,000 people.

It can be said that the Qin army's troops in Yingchuan have been very empty, and the Korean clans saw this situation and thought that such an opportunity was too rare, even if they did not get the support of the Chu State, they could succeed in doing something, so they finally couldn't bear it anymore and decided to do it immediately.

And Zhang Liang is also a little tempted, after all, he has always hoped that South Korea can succeed in recovering the country, and the current situation is indeed too good, it can be said that it will be difficult to have such a good opportunity in the future. Although Zhang Liang also knew that once Korea was restored, Qin would never sit idly by, but now that Qin's army was dragged to Daliang, it was impossible to dispatch a large army to suppress Korea's restoration. As long as South Korea is fully prepared, it can completely deal with the counteroffensive of the Qin army, and if it can be said that the state of Chu can send troops to rescue, it will be no better.

Therefore, Zhang Liang did not dissuade him, but actively sent people to Han Chengjian, first assigned manpower, launched an incident in the area around Xinzheng, and attracted the attention of the Xinzheng defenders, but the main army of the incident was still hidden in the mountains near Xinzheng, and when Changping Jun led the army from Xinzheng to quell the chaos, he would take advantage of the situation to occupy Xinzheng. And after Changping Jun learned that Xinzheng was lost, he would definitely return to the army to rescue. And the Han army can set up an ambush in the middle and ambush the Qin army, which can break Changpingjun's army in one fell swoop.

After Changpyeongjun's army was defeated, the Korean army had no threat in the Yingchuan area for the time being, and could occupy other cities in Yingchuan on the one hand, officially restore Korea, and reorganize the army; On the one hand, if you ask for help from the Chu army, then Korea can gain a foothold in Yingchuan, and use Yingchuan as a base to slowly restore the old land of Korea.

Han Cheng's Korean family listened to Zhang Liang's strategy and praised it one after another, thinking that Zhang Liang's strategy was very wonderful, and if he followed the plan, he would have a great chance of success. Originally, Zhang Liang had a certain status in the Korean clan because he was a representative of the plateau, and he also held a letter from Xiang Liang, saying that he seemed to have a lot of contacts in the Chu State, which was even more impressive.

Duan Da is also a family member of South Korea, and is one of the important organizers of this event, and another organizer, Yan Ti, became Han Cheng's right-hand man, because Duan Da had been a military general in South Korea in the past, so Han Cheng named Duan Da as the Great Sima, in charge of military affairs, and Yan Ti was named Situ, presiding over government affairs, and Xu Ruo, who contributed greatly to the restoration of Korea and made a lot of contributions, he would worship whoever was Xiangguo. And these two people have also saved up enough energy, and they want to make great contributions, and when South Korea recovers, they can become the prime minister of the state and the minister.

Of course, Zhang Liang didn't care about the competition between the two, but after Han Cheng gave the order, Zhang Liang also did his best to assist Duan Da and give advice.

Sure enough, everything was carried out according to Zhang Liang's plan, and the Korean clans in Xincheng, Huayang, Changge, Linzhong, Maling and other places around Xinzheng raised incidents against Qin, because now the Qin army's troops in Yingchuan are too small, and the Korean clans are all local snakes after all, although they are not said to be a hundred responses, but they have many connections and deep roots, so they have occupied the cities and declared their rebellion against Qin and self-reliance.

After receiving the news, Xiong Qi, the Changping Jun stationed in Xinzheng City, couldn't help but be surprised, he didn't expect that the Korean clan would launch a rebellion at this time, and he didn't dare to be careless, so he immediately recruited 5,000 Qin troops stationed in Xinzheng City and went out of the city to quell the rebellion.

But just after Changping Jun led his army out of the city, Duan Da and Zhang Liang immediately led 15,000 troops hidden in the mountains to kill and attack Xinzheng. Moreover, in Xinzheng City, Neiying had already been dispatched, so the Han army should cooperate with Neiying and capture Xinzheng in one fell swoop.

At this time, Changping Jun had just led the army to break through Xincheng, but after learning that Xinzheng was lost, he was not only surprised, because Xinzheng is the old capital of South Korea and the seat of Yingchuan County. Therefore, Changping Jun did not dare to slack off, and immediately led the Qin army back to recapture Xinzheng. As a result, Zhang Liang had already set up an ambush on the road to Xinzheng. The Qin army was defenseless and got into the ambush circle of the South Korean army.

Although the combat effectiveness of the Qin army was far superior to that of the Korean army, after all, it was an ambush, and the number was much smaller than that of the Korean army, outnumbered, and the Korean army was waiting for work, so it was defeated by the Korean army, and more than 1,000 troops were dismantled, and Changping Jun led the defeated army to flee to Xincheng to garrison.

After defeating the Qin army, Zhang Liang asked Duan Dajian again, although the Qin army was defeated, but the strength was there, and the new city was too close to Xinzheng, and the threat to Xinzheng was too great, so the Qin army must not be allowed to gain a foothold in the new city, but should immediately gather the army, attack the new city, and completely defeat the Qin army.

Duan Da obeyed Zhang Liangjian again, and immediately gathered Korean troops from all over the country, concentrated 30,000 troops, and launched an attack on Xincheng. And Changping Jun was newly defeated, and saw that the Korean army had many soldiers, and Xincheng was only a small city, so he did not dare to garrison in Xincheng, so he immediately abandoned the city and retreated, and fled to Yancheng, joined the Qin army stationed in Yancheng, and sent people to Daliang to rescue Wang Jian.

After defeating Changping Jun, Duan Cheng and Zhang Liang divided their troops and captured more than ten cities around Xinzheng in succession, and on the other hand, they brought Han Cheng, Yan Lei and other Korean clans to Xinzheng.

By this time, Korea had occupied most of the cities of Yeongcheon County and had more than 50,000 troops, and the Korean clans were overjoyed, believing that the restoration of Korea had been successful.