North of Qingzhou City.

Under the city, a group of more than 30 barbarian cavalry was pointing at the city gate, laughing sarcastically from time to time.

In the eyes of the grassland barbarians, the soldiers in the central plains are vulnerable. When they see them, they just stay in the city and dare not come out.

On the wall of the city, 300 soldiers were ready, 20 archers were full of bows, ready to shoot the barbarian cavalry wandering outside the city.

"Captain Lu, here comes the king of Qi." In the middle of the gate, a seven foot black faced man in scale armor was watching the barbarian cavalry warily.

This person is Lu Fei, the captain of Qingzhou school, who is in charge of Qingzhou army.

"King of Qi?" Lu Fei said in a loud voice, "what is he doing here? It's really disturbing."

Turning around, he saw Xiao Ming on the tower.

When the barbarian cavalry outside the city saw Xiao Ming in luxurious clothes, there was a commotion. It was obvious that he was a big man.

One of them, a barbarian cavalry, pulled his horse and bent his bow and shot a sharp arrow at Xiao Ming.

The arrow of the barbarian cavalry just landed on the city wall. Because it was too far away from the gate and the range was not enough, this arrow was just to scare Xiao Ming.

Xiao Ming is very calm. The crystal of science and technology in his mind contains a lot of knowledge. The range of the ancient bow and arrow is clear to Xiao Ming, so when the bow and arrow came, he did not hide.

Lu Fei looks strange. Today's king of Qi seems to have something different.

"I've met your highness." Lu Fei bowed.

"Don't take out the red tape now. What's the matter now?" Xiao Ming asked.

The fiefdom belongs to Xiao Ming. He is not only the king of Qi, but also the governor of the six prefectures, which is equivalent to the position of commander in chief. Lu Fei is only the captain of Qingzhou and is under the management of Xiao Ming.

"Back to your highness, so far, only a group of 30 barbarian cavalry is lingering outside the city and refuses to leave." Said Luffy.

Xiao Ming raised his eyes and looked around. These barbarian cavalry, dressed in excellent scales and with a curved bow in their hands, sat down. Their horses were tall and strong, like elite soldiers.

Compared with the barbarian cavalry, his soldiers were wearing worn armor, and the ice blades on their hands were rusty. Only Lufei's scale armor was a little higher.

"No news from Cangzhou?" Xiao Ming began to analyze the current situation with his strong knowledge.

"Everything in Cangzhou is normal."

"Strange, since Cangzhou city is not broken, how the barbarian cavalry appeared here."

"I'm also surprised that the terrain of Cangzhou city is very dangerous. It's the only place that Qinling mountains can pass through. If the barbarians invade, Cangzhou city must be broken first..."

Lu Fei answers at the same time, in the heart is strange, never ask everything the king of Qi just a few words to ask the key.

When Xiao Ming ascended the tower, he realized that Lu Fei despised him, and he was annoyed.

In the whole fiefdom, except for Qian Dafu who regarded him as a king, no one else looked him in the eye.

He deliberately said: "in that case, it's better for Lu Xiaowei to lead the soldiers to take down the barbarian and ask him clearly."

Lu Fei's face turned green. He was reckless, but he didn't have a brain. "Your Highness, there are more than 30 riders in Qingzhou City. Although there are quite a number of riders, we are not the opponents of these barbarians. If we get out of the city gate, we will die."

"Is captain Lu afraid? How do you know how they're here if you don't take this barbarian cavalry? " Xiao Ming said slowly.

Lu Fei's face turned from green to red. He argued: "if it's not the end, I won't dare. It's really futile..."

When the fire arrived, Xiao Ming just wanted to knock Lufei, and he said, "really? It's possible. "

"Your Highness, this is no joke." Lu Fei thinks the king of Qi is crazy.

The barbarian cavalry under the city didn't seem to leave immediately. Xiao Ming said to Lu Fei at this time, "go and call Chen Bing Cao."

Lu Fei didn't dare to disobey, otherwise the king of Qi would make a mistake and let him go out of the city to fight, but he would die.

After a while, a thin man in green robes appeared on the tower.

"Do you have Tribulus terrestris?"

Bing Cao is an official in charge of weapons and grain in the governor's office. The most effective way to deal with cavalry is to turn them into infantry.

This Tribulus terrestris is specially used against cavalry horses.

Chen bingcao showed a look of embarrassment, "Your Highness, there are, but not many, only more than 30."

"More than thirty! What did you do when you were a soldier, Cao Ping? " Xiao Ming said angrily.

Chen bingcao said with a bitter smile: "Your Highness, it's not that the lower officials are lazy. It's really hard for a skillful woman to cook without rice. The craftsmen of the equipment department don't have enough refined iron and coal cakes to repair and make weapons."

It was so poor that Xiao Ming was almost mad. He said, "now you've got all the blacksmiths in the city."

Then, Xiao Ming turned to Qian Dafu and said, "take out all the iron and bronze articles in the palace to the instrument department."

"Ah?" The muscles on Qian Dafu's face trembled and he looked like he was in pain.

Lu Fei opened his mouth and swallowed what he wanted to say."Captain Lu, you continue to monitor these barbarian cavalry. It seems that the barbarian cavalry are going to have a meal under our city before they leave." Xiao Ming looks at the barbarian cavalry sitting on the ground.

These barbarian cavalry don't pay much attention to them. They are humiliating him.

Although Qian Dafu's flesh hurt, he still collected all the bronze tripods and ironware in the palace.

All the twelve craftsmen in the city went to the equipment department, and some of the clerks had begun to burn fire to melt copper and iron.

"Your Highness, everyone is here, but some folk craftsmen don't know what Tribulus terrestris is and can't forge it." Chen bingcao said carefully.

"Well, I teach them myself." Xiao Ming shows a strange smile, facing a huge dilemma, at least he has technology crystal.

Science and technology library is only a part of science and technology crystal. The most important function of science and technology crystal is to transmit knowledge.

This kind of transmission is similar to magic, Taoism, and enlightenment.

In short, integrating into the consciousness of scientific and technological crystal stone can connect other people's consciousness, and input scientific and technological knowledge into other people's minds imperceptibly.

At this time, Xiao Ming is equivalent to a central computer. He can take consciousness as a data line and import his knowledge into other computers, that is, other people.

However, what is transmitted and what is transmitted are all independent of Xiao Ming.

So Chen bingcao was surprised to see that Xiao Ming took the seven craftsmen to talk for a while. When he came back, the seven craftsmen immediately put into forging.

To his surprise, the iron tribulus made by these seven people was even more standard and sharp than the iron tribulus made by the craftsman of the instrument department.

"Is this still the king of Qi?"

In the eyes of Chen bingcao, the king of Qi has always been the object of ridicule, but now there seems to be something wrong.

Xiao Ming is very satisfied. He succeeds. By explaining this method, he conceals the transmission of knowledge. These craftsmen think that they understand the manufacture of Tribulus terrestris.

However, these Tribulus terrestris existed in the Warring States period. In fact, they are very simple, just like nails in a triangle.

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