Cao Cao was indeed planning something. Just today, Cao Hong brought a team of men to the camp secretly, and the most mysterious Jinshi Captain under Cao Cao came with him.

It turned out that when Liu Ye was asked to build a catapult, Guo Jia suggested to Cao Cao that Cao Hong would come to help with the lieutenant. At that time, Cao Cao thought that Guo Jia was too cautious. He obviously had an advantage on his side, but he still had to prepare for what to do later.

But at this moment, when the siege was blocked, Cao Cao realized that Guo Jia was indeed far-sighted, as if he had a premonition before. As Cao Hong's secret arrived, Guo Jia let out a sigh. He looked at Wancheng's direction and raised his lips unconsciously, and then whispered: "Han Fei is going to dig the ground and enter the city. Have you thought of it?"

Han Fei did not live in the city, but returned to the camp the next day. He felt that he could make Cao's army worry about it. However, Cao's army did not invade the city today, which made him feel very strange. Could it be that Cao Cao retreated when he knew the difficulties? It was obviously impossible to tell. The only thing left was what he was planning! But what was specifically planning? Han Fei could not imagine it.

At this time, he sent someone to the city to ask Jia Xu, but Jia Xu had no new news to restore his shadow. Although Han Fei was unwilling to give up, there was no better way. At this moment, he had to wait for Cao Cao to take another move!

Cao Cao did make a move. He first moved the camp forward twenty miles and set up camp only ten miles away from Wancheng. However, although the camp moved forward, Cao Cao sent a team of cavalry to patrol outside the camp all day long to prevent Wancheng and Jingzhou troops from robbing the camp.

Then in the camp, Cao Cao ordered Cao Hong to build several large tents together, and then began to dig tunnels in the large tent. Zhang Yuren looked white and clean as his name, but he was one of the three leaders of Cao Hong's commander, the lieutenant of the Jinshi. He was the one who came to Wancheng to lead the team today.

At this moment, Zhang Yu was standing in the tent and directing his hands to dig the soil. At the same time, he put the wood prepared in advance into the hole, and then he used a torch to roast the walls of the hole harder. These were all to prevent landslides. Since Cao Hong was ordered to form a lieutenant in the gold-touching school, Zhang Yu had already put more than a hundred tombs. Digging holes has long been familiar with it, but this time it was Cao Cao's instructions, so he had to be extremely careful.

At this moment, Cao Hong walked in when the curtain of the big tent was lifted. He saw Zhang Yu nodded and said, "How is it?"

"The commander, I have dug five hundred meters." Zhang Yu bowed to Cao Hong. Cao Hong frowned and said, "Have you only dug five hundred meters in one afternoon?"

Zhang Yu sighed and said, "Grand Commander, aren't you brothers? Don't try hard. The soil in this place is really soft. In order to avoid landslides, you have to build wooden beams every ten meters, and then you have to grind the top and walls of the cave to harden..."

Cao Hong waved his hand and said, "I don't want to listen to excuses. I'll ask you how many days will it take to dig into the city?"

Zhang Yu thought about it and stretched out three fingers. Cao Hong looked at it and said, "Okay, if you haven't dug out the passage in three days, you all know what the consequences are!" Zhang Yu heard Cao Gong's words, a trace of fear flashed in his eyes, and he said, "Don't worry, commander, I will guarantee to complete the task."

Cao Hong looked at him, turned around and left the tent without saying a word. After Cao Hong left, Zhang Yu wiped the cold sweat from his head, and he shouted to the tunnel: "Sun Wu, come up, I will take people down."

Cao Hong returned to the central army tent, Cao Cao looked up and asked, "How is going on over there?"

"It will take three days to return to the lord!" Cao Hong replied truthfully.

"Three days? Can you shorten the time?" Cao Cao stared at Cao Hong and asked.

Cao Hong said: "The land here is soft. In order to avoid landslides, I have to build wooden beams every ten meters, and then the top and walls of the cave..."

"Okay, don't tell me this. I'll ask if you can shorten the passage in one day and dig up the passage in two days to send the army directly into Wancheng City?" Cao Cao asked with his fingers knocking on the desk.

Cao Hong was obviously a little impatient when he saw Cao Cao's appearance, so he gritted his teeth and said, "Please rest assured, lord, you can definitely dig the passage in the evening two days."

"Okay, Fengxiao will be the night after tomorrow. What do you think?" Cao Cao turned his head and asked Guo Jia.

Guo Jia smiled and said, "My lord will still send someone to attack the city tomorrow. Otherwise, I am afraid that Han Fei will be suspicious.

After hearing this, Cao Cao nodded and said, "In this way, Mancheng will still lead his army to attack the city tomorrow!" Cao Cao decided that Guo Jia would naturally not refute. So the next day, Li Dian brought people to attack the city again.

Of course, before the siege, the catapult had already been launched for two rounds. After yesterday, Zhang Ji did not send anyone to repair the city wall. So with the bombing of the catapult, the gap in the city wall became larger and larger.

Li Dian ordered all the soldiers to rush in through the gap with thickened shields. Zhang Ji followed Han Fei's plan and used large stones to build many obstacles in the city to block the cavalry of Cao's army. Not only would the cavalry be very difficult to move forward, but even the infantry were the same. As more and more people entered the city, the speed of the march suddenly decreased.

At this time, when the soldiers at the moment came to the street, the crossbow soldiers on the roof began to fire crossbow arrows. The thickened wooden shield did block the first wave of crossbow arrows, but before they could be happy, the second wave of crossbow arrows shot over again. Although the wooden shield was thick, it could not protect their whole body. Many people fell to the ground with arrows.

As more and more people fell to the ground, the soldiers entering the city did not dare to leave anymore. Li Dian saw that there was still no good idea. Faced with the overwhelming rain of arrows, no one dared to pass here without any harm.

Seeing that it was meaningless to stay any longer, Li Dian waved his hand and retreated like a tide. Seeing Cao's army retreating, Zhang Ji smiled on his face and said to Jia Xu: "Sir, Cao's army has retreated again. I'm afraid Cao Cao will not think of a way to pass through our crossbow formation!"

Jia Xu looked at Cao's army retreating but thoughtful. He turned his head and asked Zhang Ji: "How many people are coming to attack today?"

Zhang Ji thought about it and replied, "It's about ten thousand people."

Jia Xu nodded and said, "So, Cao Cao has no intention of seizing the city through this place! What is he planning?"

In Cao's army camp, Li Dian came to hand in dejection. After hearing his siege, Cao Cao comforted him: "Mancheng doesn't have to be depressed. This Wancheng will be destroyed in two days! Then you will have the opportunity to show your skills."

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Chapter completed!