Du Chen returned to the conference hall with a hard head, and at this time, Cao Cao sat expressionlessly in front of the mahjong table, holding a mahjong in one hand and not knowing what he was thinking. And Du Chen was a little big-headed, he didn't know what Guo Jia said to Cao Cao during the time he left.

When Du Chen came to Cao Cao, he saw him with his head down, like a little pot friend who had made a mistake.

The room was silent for a long time, and then Cao Cao laughed heartily. "Hahahaha."

After laughing for a while, Cao Cao pointed at Du Chen and said, "Silang, Silang, I didn't expect you to invent such a thing." Cao Cao was holding a mahjong, with a smile on his face, and he couldn't see the angry look just now.

Du Chen didn't know what to say, so he could only smile helplessly. Then I heard Cao Cao say: "Okay, there is no need to do this, but there are some laborers who move the people, will Cao Cao punish you for this." But Silang, you're not interesting enough, you actually swallow such an interesting thing. ”

"Hehehehe." Du Chen only knew a stupid smile, and he didn't know how to answer Cao Cao. Then Cao Cao patted the mahjong table, then got up and said: "This matter is over, and Cao doesn't want to pursue it, but Cao Cao accepted this thing." Cao Cao pointed to the mahjong on the table, it was obvious that for the late Han Dynasty, who had no tools for playing, mahjong was definitely a novelty.

Du Chen's face turned bitter, and then he hurriedly spoke; "Meng De's status is noble, how does this mahjong match Meng De's identity, in fact, Chen has already made another pair of mahjong and is ready to give it to Meng De, but now the mahjong is not ready."

Cao Cao glanced at Du Chen suspiciously, and found that Du Chen did not have a deceitful look, and then nodded with satisfaction: "Since this is the case, there is Lao Silang you, after the mahjong is done, it will be sent to Cao's mansion as soon as possible." You have to the church by hand, otherwise, hum"

Seeing this, Du Chen's head was big for a while, and he hurriedly said, "Of course, that's right, Meng De." In order to redeem the merits, I have two things that can help the Blue Dragon Battalion and the White Tiger Battalion increase their combat effectiveness. ”

"Oh, Silang, what the hell is it, can you explain it in detail?" Cao Cao was a little impatient, he wanted to know what was in Du Chen's mouth. He was very curious about what Du Chen said could increase the attack power of cavalry and make horses and knights one.

For Cao Cao, his path forward was a thorn. Yuan Shao in the north is raising troops to unify the four northern continents, and after Yuan Shao takes the north, he will turn his gun to attack him. And looking at the surrounding environment, it is also steep and abnormal.

Although Lu Bu in the east did not have a tiger with broken claws, you must know that the tiger's residual power still exists, and if it really breaks out, the old tiger can hurt people just as much. And look at the Southwest. Yuan Shu was ambitious, as if he had already managed Huainan into a country within a country. Such a rebellious person, sooner or later, he will have to crusade against him.

Looking at the south again, Liu Biao sits on Jingzhou, although the matter is calm, but Jingzhou is rich, although Liu Biao has no ambitions. But there's no guarantee that he'll think this way for the rest of his life. You know, when a person's strength is strong, his desires and greed will also increase. But these are all later words, and in the current view, although Liu Biao is strong. But at least it can be ignored.

In addition to these, the west also had to be guarded. Although Guanzhong was in a situation where more than a dozen warlords were divided, Ma Teng Han Sui stood out among the many princes, and had faintly suppressed the rest of the princes. I'm afraid it won't be long before one of the two will become the lord of Xiliang.

Therefore, looking around Yanzhou, it is surrounded by strong enemies. If he grows and grows stronger in the cracks, he will definitely be crushed into pieces by many increasingly large princes.

Since the troubled times have been born, every man with a certain strength will have a certain idea, that is, to unify the whole country and create an immortal cause. Cao Cao is also a human being, a man who used to be very hot-blooded and resourceful and powerful enough, so he will never be willing to be left behind, so there is only one way in front of him. Either he overcame all obstacles and unified the north and the whole country with strong strength and means, or he was shrouded in horse leather and died in the journey of conquest.

"Dust is not talking about one thing, but about two things. The combination of the two things can definitely multiply the combat power of the cavalry. Du Chen smiled a little mysteriously, and then he asked, "Does Meng De know what is the reason for restricting cavalry?" ”

Hearing Du Chen ask himself, Cao Cao frowned and pondered for a moment, and then said: "Well, first of all, if cavalry wants to form combat effectiveness, it needs a long time of training. Otherwise, it's hard to achieve much. In addition, although the cavalry machine is very powerful, it has low defense. This also made it difficult for the cavalry to defeat the enemy by confined to flank attacks. ”

Du Chen nodded, then said with a smile: "If the horses and soldiers are put on armor, it will soon greatly improve the defense ability of the soldiers." ”

Cao Cao smiled bitterly, and then said helplessly: "Du Chen's words are simple, but although excellent horses can withstand the weight of armor, their hooves are difficult to bear such a huge weight, so it won't be long before the horse's hooves crack, and this war horse will be wasted." ”

Cao Cao had just finished speaking, and then asked with a solemn face: "Silang, don't you have a way to prevent the horse's hooves from cracking?" "If that's the case, it's absolutely unprecedented. With strong defense and flexibility, the cavalry will definitely be able to gain an increasingly important position in future wars.

"Otherwise, why would Chen ask this?" Du Chen smiled pleasantly, and then said: "If you nail a ring of iron on the horse's hooves, will that reduce the wear and tear of the horse's hooves?" If that's the case, you can put armor on the horses and men, just imagine, such a heavy cavalry into the battlefield, whether it is impact or lethality, is absolutely a must. ”

In Cao Cao's eyes, it was obvious that Du Chen's words spoke in Cao Cao's heart. If what Du Chen said was true, the combat power of the cavalry would definitely be a considerable increase. If this can really be done, then he can organize the invincible ironclad cavalry, and at that time, Yanzhou's combat effectiveness will definitely be greatly improved.

"Mengde, don't forget, there are two things that Chen said, and there is one thing that makes you happy like this without saying anything." Seeing Cao Cao's enthusiastic appearance, Du Chen couldn't help but speak.

Sure enough, hearing Du Chen's words, Cao Cao immediately put away the joy he had just now, and asked eagerly with a face: "Okay, you Du Silang, you actually have a pastime, you know that you are anxious, but you are talking cool here, you are really careless in making friends." ”

"Since Meng De thinks that dust is a loss to friends, then don't talk about this thing." Du Chen said with a snicker in his heart. He just wanted to deliberately anger Cao Cao to appease his resentment.

And Cao Cao obviously didn't hold on, he instantly softened after hearing Du Chen's words. At the same time, Cao Cao couldn't help but shake his head secretly, because he was very curious about what was written in Du Chen's head, and why the items he invented were so extraordinary. Not to mention the stills and mahjong on the table, the idea of nailing iron palms to horseshoe alone makes people feel very incredible.

"Silang, don't be embarrassed by the lord, and Yu really wants to know, what is going on in your mind?" At this time, Xun Yu, who was beside Cao Cao, finally spoke. He was shocked by Du Chen's remarks just now, and now he was even more curious about what Du Chen was going to do.

"It's called a stirrup!" Seeing that Xun Yu opened his mouth to help Cao Cao, Du Chen knew that he had no way to continue, so he could only explain truthfully in the end.

"Stirrups?" Xun Yu said suspiciously, and the rest of the Wenchen generals also fell into deep thought, obviously, the thing Du Chen said never appeared in his mind. However, there are still smart people who can imagine what the stirrup in Du Chen's mouth is by name. (To be continued......)