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Cao Cao was in a bad mood today. Cheng Yu brought him bad news. The Han Army Ordnance Academy in Chang'an developed a new type of weapon called a bee crossbow. It has an effective range of stairs and has a strong lethality to the cavalry and poses a huge threat to his tiger and leopard cavalry.

What made Cao Cao angry was not that the Han army invented new weapons. The Han army's new weapons emerged one after another, and he had long been accustomed to it. The key was that they themselves were not successful. They imitated the Han army and established craftsmen a few years ago, but they were unable to create a large number of advanced weapons like the Han army.

Cao Cao snorted heavily and said to the guards on both sides: "Go and find me the eldest son."

Cao Pi was in charge of the craftsman of Wei State. Cao Cao was furious and wanted to ask the chief for an explanation. The guard agreed and ran away quickly.

At this time, Cheng Yu advised: "Please calm down from the rage of Wei, this matter is actually not that simple."

"Zhongde, please continue, I'll listen." Cao Cao restrained his anger and sat down slowly.

Currently, Cheng Yu is Cao Cao's first strategist and Cao Cao's most trusted confidant. Cao Cao's elite spy agency is in the hands of Cheng Yu. In order to grasp the development of new weapons by the Han military craftsmen, Cheng Yu specially arranged two spies among the many students of the Han military craftsmen.

Although they could not access the core secrets, they could understand some developments in the development of major weapons. The experiments of elephant bee crossbows must be carried out in the wilderness, so that many students could watch, and the secret spies inserted by Cheng Yu'an were also among them.

Cheng Yu smiled and said, "The bee crossbow developed by the Han army is not actually to deal with us, but to deal with the Guanlong Zahu. This is directly related to the upcoming battle against Zahu that the Han army is about to launch, and has little impact on us."

Cao Cao nodded. He later saw the real reason why Liu Jing stopped the Hefei battle, that is, the Han army was about to launch a war against the Zahu in Guannei, to relieve his worries for the Han Dynasty to move the capital to Chang'an. At this time, a new weapon such as bee crossbow appeared, which was obviously aimed at the Zahu cavalry, and Cao Cao also agreed with this reason.

He pondered for a while and asked, "It is true that the bee crossbow appeared to target Hu Qi, but why did Zhongde say that it had little impact on us?"

Cheng Yu smiled slightly, "Because after testing the bee crossbow, Liu Jing issued a public reward at the Ordnance Academy. Who can propose an effective solution to break through the shield of Cao's army and reward two golds? From this, it can be seen that the bee crossbow can shoot through the simple shield of the Hu people, but cannot shoot through the compound shield of Cao's army, so this reward appears."

"Zhongde means that our shield can defend against the bee crossbows of the Han army?"

"It should be so"

Cheng Yu took out a sketch of a bee crossbow and placed it on the table and said, "The key is that its range is stepping. Any crossbow that reaches this range is at the end of a strong crossbow, and the bee crossbow is no exception. However, in order to form lethality outside the step, the Han army's bee crossbow used iron crossbow arrows and used the drop weight of the iron crossbow itself. This is the key point of the bee crossbow. It must be a high-level shooting angle. The leather armor and wooden shield of Mihu cannot defend against this downward impact force, but our shield can withstand it. Therefore, although the spear is sharp, the shield must be strong. As long as we strengthen the defense of the strong shield, the bee crossbow will not pose a threat to us."

Cao Cao stared at the sketch and said for a while: "In fact, we can also imitate bee crossbows, and use the way of others to treat them, so that the Han army can also taste the taste of bee crossbows."

Cheng Yu smiled bitterly and said, "This bee crossbow seems very simple in appearance. In fact, it is not so easy to shoot crossbow arrows perfectly and the crossbow arrows do not drift and roll. Just this witness's sketch can't imitate the bee crossbow, unless we can get a physical object for detailed dismantling and research."

Cao Cao took a few steps behind his hands and turned around and said, "Don't Liu Jing use it to deal with Hu Qi? As long as it enters war, we will definitely get a bee crossbow, but I hope to prepare in advance. Once I get the bee crossbow, I can immediately commit to large-scale counterfeiting."

At this time, the guards reported: "Report to Duke Wei, the eldest son is here."

Cao Cao was stunned. Why did he come so quickly and immediately said: "Supreme him come in."

After a moment, Cao Pi hurried in, knelt down and bowed, "I pay homage to my father."

"Pier, are you going to see me?"

"It's because the child has an important book that he has to hand it over to his father for review."

As he said that, Cao Pi stepped forward and submitted a memorial. Cao Cao took it and glanced quickly. It was the Censorate who impeached Wei Yang Biao and Sikong Cui Lin. He put it aside and asked Cao Pi: "I have come to you for my father. I want to ask the craftsmen. Why can't we craftsmen continue to launch important new weapons like Han military craftsmen, I allocate so much money and grain every year, what are they doing all day long?"

At the end, Cao Cao's tone became obviously dissatisfied. Cao Pi hurriedly said, "Please calm down. Our craftsmen are only established in the past year, while the Han army has been nearly ten years old. In terms of technical accumulation, we are far inferior to the other party. New weapons can only be created through continuous accumulation. But our advantage is that craftsmen are very experienced in practice and are good at imitating, such as horse harnesses, impeller pedal boats, giant trekking machines, improved yellow crossbows, as well as duplex shields, double-layer fish scale armor, and the latest wooden cows. It can be said that except for the heavy armored infantry, we have imitated most of the other weapons and armor."

Next to him, Cheng Yu also advised: "Duke Wei, I have to say a fair word. For craftsmen who have only been established for a year, it is not easy to do these things. Duke Wei should not be too demanding of his elder brother."

Cao Cao also felt that he was strict with his demands. He was slightly angry and said to Cao Pi: "I heard a news recently that the Han army craftsmen invented a new type of bee crossbow, which is powerful, but our duplex shield can defend it. I hope that the craftsmen of Wei can develop a large shield that is easier for cavalry to use. It should be larger, lighter and stronger. If you pass the orders, whoever develops the best shield first will I reward five taels of gold."

"Boy obeys the order"

Cao Cao put down the bee crossbow, and then he picked up the impeachment memorial from the Censorate. He was actually very interested in it. He actually impeached Yang Biao and Cui Lin.

Cao Pi stood aside and secretly watched his father's face change. Logically, he should not give this memorial to his father in person, but Hua Xin reminded him that the memorial of the Censorate would come to Dong Zhao first. If Dong Zhao took it off with his excuse for falsehood, perhaps notifying Cao Zhi to prepare in advance, the effect would be greatly reduced in the end. Moreover, Yang Tian is his own person, and his father would also know that his impeachment was related to him, so it was nothing to do if he sent it directly.

Cao Pi found that his father's face began to change, and his face was covered with dark clouds. He secretly glanced at the letter in his father's hand. It should be a letter written by Cui Yan to Yang Xun. Cao Pi remembered that it was written in it at times and when there was a change. This change refers to the change after Cao Zhi ascended the throne.

Cao Cao looked down one letter after another, his face getting darker and darker. Finally, he saw the letter Cao Zhi wrote to Yang Biao. The content in the letter made him furious. He could no longer control the resentment in his heart. He slapped the table and shouted, "Go and find Cao Zhi for me."

The guard ran away, and Cao Pi said carefully: "Father, Yang Tian, ​​the chief censor, is waiting outside, should he summon him together?"

Cao Cao snorted heavily, "I will announce that he will come to see me together."

At this time, Cheng Yu, who was standing aside, sighed secretly. Although he didn't know what the letter Cao Cao was reading, he could see that this must be Cao Pi's heavy blow to Cao Zhi. It seemed that the evidence was conclusive. No wonder Wei Gong was so angry. It seemed that the brothers' dispute was about to become fierce.

Cheng Yu was once a staunch supporter of Cao Pi, but as his relationship with Cao Pi deepened, he gradually discovered Cao Pi's character flaws, dark, cold, ambitious, and determined to take over the Han Dynasty and replace him. If he came to power, the Han Dynasty would inevitably perish in his hands. Cheng Yu was unwilling to bear this historical crime, so he left Cao Pi and remained neutral, neither supporting Cao Pi nor Cao Zhi.

But at the same time, Cheng Yu did not want to see the Wei State fall into internal strife due to the dispute between their brothers. Cheng Yu softly advised Cao Cao: "Mr. Wei is old and should not be angry. After asking the facts, he will deal with it according to the law."

Cao Cao sat down slowly again and controlled his emotions. After all, he was a hero who held the world's power and knew how to grasp the degree between reason and anger. He also realized that this was a struggle between his two children. At this time, he could not lose his mind. Cao Cao nodded gratefully to Cheng Yu and finally calmed down.

At this time, the guard led the Censor Yang Tian to walk into the inner hall quickly. Cao Pi gave him a wink. Yang Tian understood and stepped forward to kneel down to salute, "My minister, Yang Tian, ​​the Censor Yang Tian, ​​pay homage to Duke Wei."

Cao Cao quickly glanced at Cao Pi, and he suddenly realized that the impeachment letter should have been handed over to him by the Censor Dong Zhao. Now he has bypassed Dong Zhao and presented it directly to him by the Censor Zhongcheng, or through Chang's hand. This is obviously Chang's revenge on the aristocratic family's surrender to Cao Zhi.

Cao Cao was not angry, but asked Yang Tian lightly: "How did you find out that Yang Biao had an affair with Liu Jing?"

Yang Tian kowtowed and said, "Report to Duke Wei, a month ago, when Doctor Dong was on a mission to Chengdu, Yang Xun suddenly came to Chengdu to find Weichen. He asked me for help, saying that he wanted to meet Liu Jing and said that he wanted to send a letter to Liu Jing for Yang Wei, but Weichen did not have the ability, so he politely declined him. Later, he heard that he was going to stop Liu Jing's carriage and said that he had come to grant Yang Wei the order, so Liu Jing took him into the Han Palace, and he quickly left Chengdu afterwards."

"Why did you report what happened more than a month ago now?" Cao Cao asked sternly.

Yang Tian kowtowed and said with tears in his eyes: "After all, Wei Chen was born in the Yang family of Hongnong. Yang Wei is my family leader. He sells the family leader and sells the family affairs. Wei Chen can't do anything. Wei Chen is guilty and is willing to be punished by Duke Wei."

Cao Cao's face cleared a little and asked again: "Why can you do it again now?"

"I have been suffering for a month because of this matter. Duke Wei promoted the Wei minister to the Chief Censor of the Censor. If he could not correct himself, how could he correct others? The Wei minister decided to deal with it with the public and began to investigate the matter secretly. He received all the confessions of Yang Xun. In order to escape, Yang Xun handed over all the letters to Wei minister. Although he was from the Yang clan of Hongnong, he did not dare to abolish the public for personal gain and was willing to correct the court with his own body."

Cao Cao nodded, with a look of praise in his eyes. Regardless of whether Yang Tian was instructing him for the sake of justice or not, this kind of attitude of destroying relatives for justice is worthy of praise. Cheng Yu next to him shook his head secretly. Duke Wei was really confused. Yang Biao never admitted that Yang Tian was from the Yang clan of Hongnong. It was not like destroying relatives for justice. It was clearly looking for an opportunity to take revenge and being a lackey. Cheng Yu felt contempt in his heart, but at this critical moment, he did not want to interfere too much in this matter.

At this time, a guard came to report that Mr. Zhi had arrived and was waiting to see him outside the hall."

Cao Cao snorted, "Here comes in."

After a moment, Cao Zhi hurried into the inner hall. He had heard a little wind, as if his brother had sued him, which made his father angry. He couldn't help but feel uneasy and stepped forward to kneel down to salute, "Child Cao Zhi greets his father."

Cao Cao threw the handwritten letter written by Cao Zhi to Yang Biao to Er, and said coldly: "Is this fake?"

When Cao Zhi saw this letter, his head buzzed. How could the letter come into his father's hands? He secretly hated Yang Biao, but he didn't dare not refuse to admit it. He had to lower his head and whisper: "This is what the child wrote."

Seeing that he admitted it, Cao Cao couldn't help but laugh, "Okay, after ascending the throne, I will respect Confucianism, rely on the gentry, and support the Emperor of Han. This is indeed my good son. I know that I have made a big mistake and I must correct my father. I will really touch my father and be very touched."

Cao Zhi was so scared that he dared not say anything. Cao Cao stared at him for a while, then slapped the table and shouted: "I am not dead yet, it's not your turn to respect Confucianism and destroy the law. You are so rebellious, you actually colluded with the party and destroyed my country. I don't have you."

Cao Cao was so angry that he spurted out blood and fell to the sky.
Chapter completed!