When Zhang Haitao asked this sentence, both of them fell into silence. For this question, it was the answer they were looking for, but the answer was not easy to find.

At this time, Li Yuanhong coughed and let the silent two suddenly raise their heads. You know, there are strict security here, and no one can come in.

The cough made them startled. When they saw Li Yuanhong and Zhang Haitao's fat faces, they immediately showed a brilliant smile.

"Oh, when boss Li will come, he will not inform us in advance, so that we can tidy up the room and see the mess here!" Zhang Haitao said, pushing the material piled on the edge of the chair toward the corner with his feet.

At this time, Li Yuanhong saw that the room was not small in size, but it was occupied by most of the materials. If there were more people, there would be no place to stand.

"Oh, it doesn't matter. I'll take some time to come and have a look." Li Yuanhong said.

"Ha ha, it's a bit chaotic. Boss Li is laughing at me. I don't know what boss Li is doing this time? " Zhang Haitao knows that Li Yuanhong will not come here for no reason. You should know that Li Yuanhong is in charge of thousands of troops and has no time to wander around.

"It's a little thing, but what are you looking at?" Li Yuanhong is also very interested in the thing on the table, because just now Li Yuanhong looked at it with his real eyes and found that it was a wonderful thing.

"Stone essence of space

the stone of space condenses the stone of time and space by the power of space for a long time, which contains a hundred times the power of space-time stone.

However, this kind of stone of space-time is often contained in the black hole of space-time, which is rarely seen in other spaces. However, once the black hole changes greatly and erupts, it will occasionally eject this spirit

When Li Yuanhong saw this place, he knew that the stone was not a mortal thing, so he asked questions intentionally.

"We don't know what it is. It was found in the stone of time and space that was transported back. Those workers thought it was waste ore. fortunately, Master Yu was nearby at that time and felt that there was a strong energy fluctuation in the ore, so they picked up this stone." Yu Haitao quickly explained.

Li Yuanhong affectation picked up the stone, closed his eyes and felt it, then threw the stone down on the table. "This stone is much more pure than the ordinary space-time stone. It is estimated that the essence of those stones is what we call it." since we don't know what to call, we should give him a name. It's called the stone of time and space.

"Good name, well, good name, very appropriate!" Zhang Haitao immediately threw a compliment to him.

Next to master Yu also thought about it for a while, and then nodded to agree to the address.

"I think there should be more than one stone. Master Yu and master Zhang are more involved. We should have a good supervision. Don't let it pass and be thrown away as waste." Li Yuanhong said again.

"How can it be? The worker who was going to throw things at that time was very much taught by Master Yu. It is estimated that other workers will not make the same mistake! And we sent people to sift through the discarded waste ores, and found no similar ores Zhang Haitao said.

"That's good, that's good!" Li Yuanhong is also afraid that this kind of spirit will be thrown away as a waste mine. It is a very rare treasure. Maybe the core parts of a new type of aircraft giant ship to be built by himself will be tested for this kind of ore.

"By the way, boss Li, why are you free to come here today?" Zhang Haitao suddenly remembered that he had been interrupted by the question he had asked Li Yuanhong, so he asked again.

"Ha ha, no, I just came back from Europe. I didn't have any good things. But I also took some bottles of foreign wine to see the two masters." Li Yuanhong took out a lot of foreign wine from the space, including shixo, wine, brandy, and various kinds of foreign wine. There were more than ten kinds of them. The two big boxes were both famous brands in China. If these foreign wine were put in the last world, they would be worth hundreds of thousands of dollars, but now they are packed in the boxes at will by Li Yuanhong as a gift.

"Oh, it's too expensive." Zhang Haitao, a good wine man, couldn't even move when he saw these famous wines. Although he said "I'm sorry", he pulled the wine box to his side.

"This wine is in our country, and its price is high. If it is put abroad, it's almost the same as our Erguotou. It's no big deal. You can drink it slowly. If it's good, I'll ask the logistics personnel to send some more cases to the two masters." Li Yuanhong said magnanimously.

"That feeling is good, that is daring to be kind!" As soon as Zhang Haitao heard this, he immediately laughed like a chrysanthemum on his whole face.

"But master Zhang and Master Yu, I have one more thing to trouble you."

"Come on, I knew you didn't come as a gift." Master Yu, who didn't speak for a long time, finally spoke.

"Well, the sunken moon blade you forged for me before is no longer able to cut down those zombies. Their skin is too hard to strengthen." Speaking of this, Li Yuanhong took out the sunken moon knife in the space.

Yu TIANYAO took over the Shen Yue Dao, rubbed it carefully on the back of the sword for a long time, and then sighed: "Alas, I made this Dao before, and thought it was my peak work. I didn't expect that this knife would be out of date so soon!""Master Yu, can this knife still be promoted?" Li Yuanhong asked.

"This knife has been modified once, and after a long time of fighting, there are a lot of hidden injuries in it. It seems that you don't use it violently. It's OK to repair the saber and recover the hidden damage. But if you want to upgrade it, I'm afraid it's no longer possible. " Master Yu shook his head.

"What can I do?" Li Yuanhong rubbed his hands anxiously.

"Easy to do, we'll make you a new one. With this kind of stone spirit of time and space, we can just try the sword made of new materials. What's the power of it?" Master Yu said.

"How long does that take?" Li Yuanhong doesn't have much time to wait here.

"Well..." Master Yu bowed his head and thought for a moment: "well, come and get the knife in five days."

"Good, great. I'll come in five days!" Li Yuanhong said excitedly.

Li Yuanhong had a simple chat with Master Yu and master Zhang for a while, then he left. He had an expectation in his heart, and did not know what the new Dao looked like.

After leaving the blacksmith's shop, Li Yuanhong came to the library. The last time Li Yuanhong entered the Pope's treasure house, although he only took the antiques belonging to China, there were many books in it, especially those from various schools of thought. Two of them were legendary books, one of which was the book of war of Jiang Taigong and the other was the Mohist school.

The first legend is the ancestor of the book of war, from which the art of war of later generations has evolved.

As for the Mohist school, although it is one of the hundred schools of thought, it pays more attention to natural science and has unique views on military defense. Therefore, it is not too much to list this book as a legend.

If these two books are seen by the old scholars who study cultural relics, they will definitely be listed as national treasures, or even listed as cultural relics forbidden to go abroad. However, Li Yuanhong wants to copy the contents of the two books with the help of the magic of the library, so that future generations can read and disseminate them. This is the value of books.

After putting the two books on the top floor of the library, Li Yuanhong felt that his military skills leaped up two spaces. At the beginning, many confused places seemed to be suddenly enlightened. Therefore, Li Yuanhong's art of war evolved from master level to legendary primary level.

Li Yuanhong didn't expect that the two books would bring him such benefits. This is an unexpected joy. This will be a better help for marching and fighting in the future and calculating those aliens.

It was more than 11 o'clock after leaving the library. Li Yuanhong planned to go to the magic academy to see the little guys, especially Li Luoxia's younger brothers and sisters, who were studying in the college. It was estimated that in more than a year, they should have graduated. But now that there is not enough time, I will give up.

Li Yuanhong quickly walked to the magic tower again. It was already after 11:30, and there were more pedestrians on the road. However, there were no idle people in the city. If anyone had nothing to do in the street, he would soon be noticed by those patrols. Of course, the patrol team would not do anything without definite evidence. Of course, Li Yuanhong is not afraid of this. Those patrols are all system soldiers. These system soldiers are all connected with Li Yuanhong's watch. Naturally, Li Yuanhong will not be regarded as a suspect.

When they came back to the magic tower, there was still no one on the first floor. At this time, there were still a few minutes before 12 o'clock. If it was an ordinary unit, it was estimated that some people would have come out to take a rest. However, these scientists took the laboratory as their home and wanted to move in However, Li Yuanhong didn't want these national treasures to wear themselves out, so he forced them to rest according to the time, otherwise they were forbidden to enter the laboratory.

With this ban, these scientists still work and rest according to the time required by Li Yuanhong. However, they will not leave the laboratory before the time, even if it is a minute. Therefore, the hall is still empty at this time, and Li Yuanhong can only wait a little longer.

The clock hanging in the hall finally reached 12 o'clock. Within a dozen seconds, the elevator in the middle of the hall opened. Hula, a group of people poured out of the elevator and began to embrace the canteen opposite the magic tower.

These people almost trot to the canteen, for these people, time is scientific research, can eat early, can return to the laboratory.

At the end of the crowd, there were several old people with all white hair. They were Dr. Bai and Dr. yuan.

Seeing several old scientists come out, Li Yuanhong immediately stood up to meet them. For these old scientists, Li Yuanhong has been holding a longing heart.

"Bai Lao, Yuan Lao, long time no see!" Li Yuanhong trotted over.

The two old men were obviously talking about something. They frowned when someone called them. Obviously, they were not satisfied with interrupting their discussion.

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