The trial was scoffing at Cao Cao's surrender, as long as he held out for ten days, Yuan Xi's army would definitely be able to return in time. Although Yecheng had no generals, there were still 100,000 troops in Tuntian, which was enough to deal with Cao Cao's army.

Cao Cao only symbolically surrendered and ordered an attack on Yecheng. Cao Cao's son and son attacked the east gate, Xiahoudun led the army to attack the west gate, Xu Huang attacked the north gate, and the south gate was not attacked, leaving a door for the Yuan army to escape, which could wear down the determination of the Yuan army to resist.

The east gate of Yecheng was the focus of Cao's attack, and there was a trial and match who was personally responsible, and Feng Ji, Lu Kuang and others assisted in the trial; Tian Feng was responsible for defending at the south gate, and Xin Bi, Chun Yuqiong and others assisted Tian Feng; At the north gate, Fu Zhi was responsible for the defense, and Jiang Yiqu, Lu Xiang and others assisted Fu Zhu. At present, there is no Cao army attacking the south gate, and Sima Yi is responsible for guarding it.

With the sound of the drums of the Cao army's attack, the defense of Yecheng began. Cao Cao knew that there were no generals available in Yecheng, so he didn't dare to take the initiative to attack, so he set up a thunderbolt and began to attack the east gate wall, and the vanguard siege troops of Cao's army began to gradually approach the moat under the cover of the thunderbolt and the big shield, as long as the moat was filled, they could attack the city gate.

The powerful defense facilities of Yecheng are not comparable to ordinary cities, not to mention the wide moat, even the catapults on the city wall are enough to make Cao Jun fearful. The catapult is condescending, the range far exceeds the thunderbolt, Cao Jun's thunderbolt is advancing long, ready to attack Yecheng, the trial ordered the catapult to strike first, the nine huge cobblestones prepared on the city wall fell from the sky, smashed out of nine big pits, Cao Jun who was smashed suddenly had no bones, and the lucky ones who were not hit were frightened and stunned, and they didn't know what to do.

The damage of the catapult is not particularly high, but it does have a full deterrent effect, and the main function is to prevent the opposite thunderbolt from approaching. Cao Cao was also scared into a cold sweat when he saw the boulder falling from the sky, he didn't expect Yuan Jun's catapult to be so powerful, but he also knew that Yuan Jun was just trying to prevent his thunderbolt from approaching.

The Thunderbolt is the most important weapon to attack Yecheng, and it must not lose too much, so the Cao army did not use the Thunderbolt again, but directly let the vanguard troops advance slowly with shields and fill the moat. Seeing that Cao Jun's thunderbolt did not enter the firing range, he did not use the catapult again, mainly to deal with Cao Jun's thunderbolt, and he was afraid that the throwing materials would be insufficient if he used too much.

Holding a large shield and holding Yuan's bow and arrows, Cao Jun slowly approached the moat and began to fill it. The judge watched Cao Jun's every move on the city wall, and from time to time used a catapult to deterrent back against Cao Cao, which made Cao Cao feel uneasy and did not dare to get too close to Yecheng.

Yecheng was rich in materials and everything for defense, such as bows and arrows, rolling logs, throwing stones, and fire oil, and Cao's army did not make any progress at all, as was the case at the east gate, and the same was true for the west gate and the north gate. On the first day, Cao Jun could only take advantage of the darkness to secretly bury the moat, but it was still a long process before it was completely filled.

The first day passed peacefully, with Cao's army losing about a thousand men, Yuan's army suffering almost no casualties, and the night attack that had worried everyone in Yecheng did not happen. At dawn the next day, Cao Jun began the same work as on the first day, filling in the moat.

Although Yecheng has a wide moat and a tall city wall, but the soldiers in the city do not dare to slack off, Lord Taishou said, as long as you hold on for ten days, our invincible general will return to Yecheng, and then it will be the end of Cao's army. The general's wife, Zhen Mi, took Diao Chan, Cai Yan and others to the city wall in person, condoled the soldiers defending the city, and encouraged them to defend their homeland. The soldiers of Yecheng are also very moved, the generals and their wives are noble, but they are not afraid of danger, they come to the city wall in person to condole, the soldiers are all ambitious, they are deeply favored by the general, and they swear to repel the Cao army, please Zhen Mi, Diao Chan, Cai Yan and others quickly retreat from the city wall, rest assured to stay in the house.

Yuan Xi was worried about the safety of Yecheng and marched overnight, Xu Shu comforted: "The lord doesn't have to worry too much, with the current marching speed, our army will be able to return to Yecheng within ten days." With the solidity of Yecheng and the ability to judge, it is not a problem to keep ten days! ”

After listening to Xu Shu's words, Yuan Xi was still worried: "Yuan Zhi doesn't know, I watch the sky at night, there will be heavy rain in a few days, which is not conducive to the march, and my army may not be able to arrive within ten days, this is what I am really worried about." ”

Jia Xu was surprised, he didn't expect Yuan Xi to understand the art of celestial phenomena, but these fantasy theories are not completely accurate, and said: "When the lord can know the sky, the blessing of our army is also, if there is heavy rain, it will not be conducive to Cao's army attacking the city, and this celestial phenomenon is not necessarily accurate." ”

Yuan Xi shook his head and said: "Wen He doesn't know, the theory of celestial phenomena is my experience accumulated over the years, almost every time it is similar to my prediction, I am afraid that Cao Jun will take advantage of the rainy day to burst the embankment of the Zhanghe River and flood Jizhou!" ”

Flooded Jizhou? Xu Shu and Jia Xu were both frightened, although this would make the people of Hebei hate Cao Cao, but even if Cao Cao could not get Jizhou, it would also deal a major blow to Yuan Xi's forces, so that Yuan Xi could not continue to go south in a short time, no wonder the general was so worried.

The battle for the defense of Yecheng is still going on, today is the seventh day of Cao's army's siege of the city, as long as the general Yuan Xi will come back after three days, the defenders of Yecheng think so, Cao Cao also thinks so, and if he can't attack it in the last three days, he will be ready to retreat, once Yuan Xi's army arrives, he may be difficult to retreat. On the seventh day, Cao Jun finally made a breakthrough and filled the moat.

Everyone in Cao's army tensed their nerves and prepared for battle, and climbed to the top of the Ye city wall in the next three days. Only Guo Jia was a little relaxed, thinking that it would rain heavily three days later, and Yuan Xi would not be able to arrive within ten days, and he could just take advantage of the rising water level of the Zhanghe River to lead the water of the Zhanghe River to break Yecheng.

Cao Cao knew that Guo Jiashan attacked with water, crusaded against Yuan Shu, and flooded Shouchun; Capture Lu Bu, flooding the billet, are Guo Jia's masterpieces, this time flooding Yecheng, although the time is a bit hasty, but it is also a last resort, if you can capture Yecheng within three days, it is really not necessary to rain three days later?

In the past three days, Cao Cao did not have any mercy, nor did he pin his hopes on flooding Yecheng, and personally led his troops to attack the city. After a few days of attrition, the defense of Yecheng is not as sharp as before, although Cao Bing has climbed the head of the Ye city wall, but was quickly killed off the city wall, even if the Cao army's combat effectiveness is stronger than the Yuan army, but the number of the Yuan army can completely make up for the disadvantage of lack of combat experience, it is too difficult to capture Yecheng within three days.

On the eighth and ninth days, two consecutive days of short-fought fighting had already aggravated the casualties on both sides, and the intensity was far greater than in the previous days. On the ninth day, the general Yuan Xi had not yet arrived, Sima Yi decided not to sit still, and with the help of Zhen Mi, he asked the Zhen family for hundreds of bulls to be chained with iron chains, knives tied to the horns, and firecrackers were hung on the tail of the ox, preparing to follow Tian Dan and launch a fire bull array to deal with Cao Cao.

On the tenth day, this is also the last chance that Cao Cao thinks, ready to give it a go and attack Yecheng with all his might, if he can't climb the wall of Yecheng today, he may never have a chance again. However, to Cao Cao's surprise, Yuan Jun actually took the initiative to open the city gate, and then rows of heavily armed bulls dragged chains towards him.

Guo Jia, who was usually chic and free, also turned ugly, and hurriedly reminded Cao Cao: "This is the train formation, Tian Dan relied on this herd of cattle to recover the Qi country back then, and he must disperse and retreat immediately!" Even if Guo Jia saw this change, but it was too sudden, Cao Jun suddenly became chaotic, some retreated, some resisted, and the result was either injured by the sharp knife on the bull's head or pulled down by the iron chain, and for a while, Cao Jun trampled on each other, killing and wounding countless people.

With the support of the trial, Sima Yi, Lü Kuang, and Lü Xiang led the army to pursue the Cao army, and the Cao army suffered numerous casualties. In this battle, Yuan's army won a complete victory, Cao's army retreated dozens of miles, and the siege of Yecheng was temporarily resolved. The weather was really as predicted by Yuan Xi and Guo Jia, it rained heavily, and the two sides also withdrew their own troops.

Although things were as Guo Jia expected, after this defeat, Cao Cao had already decided to retreat, and sighed: "I will make the erector famous, our army is weak, and Yuan Xi is about to arrive, I intend to return to Xuchang and make plans!" Cao Cao's subordinates did not persuade each other, Sima Yi's move completely hit the morale of Cao Jun, and Yuan Xi was not Yuan Shu, Lu Bu and the like, maybe he had already taken precautions against the Zhanghe, once he was in the middle of the plan, he might not be able to recover.

A few days later, Cao's army withdrew, the defense of Yecheng was successful, and Yuan Xi's army arrived in Yecheng the day after Cao's army retreated. Yuan Xi learned that Sima Yi defeated Cao Jun with the Fire Ox Array, and praised Sima Yi for being able to apply what he had learned and adapting to the situation, and even rewarded Sima Yi and the meritorious judges, Tian Feng, and Fu Zhu who guarded Yecheng.