The Dragon King was afraid of the weapons on the city wall. Zhang Yu didn't want to offend the red dragon and the black dragon too much, so both sides exercised restraint. The exchange of hostages went smoothly, and Zhang Yu automatically cancelled the god-ghost contract.

In the joy of everyone, the Dragon King flew his daughter's black dragon by his tail, and said to the red dragon: "Daughter, let's go home."

"Father, what are you doing?" The red dragon was very dissatisfied, so he cared about the black dragon and said, "Is it all right".

"It's okay." The black dragon smiled, because the dragon king was staring at it.

The daughter has never cared about herself in this way, and the Dragon King said angrily: "Daughter, what is good about it? It is still a disabled dragon. There are many handsome dragons in the dragon clan. Why do you like it?"

"I like disabilities too." Hong Long twisted.

"---". Heilong became depressed after hearing the two words disabled.

On the city wall, Zhang Yu, who saw the dragon family stage a family ethics drama, almost fainted with a smile, and when he heard that the dragon king dismissed the black dragon as a disabled dragon, Zhang Yu suddenly remembered that the black dragon was disabled by himself, and immediately wanted to make up for it.

Zhang Yu, who took out the growth medicine for severed limbs from the medicine box, threw it to the black dragon and shouted, "Hey, black dragon, eat it."

The depressed black dragon, after hearing Zhang Yu's shout, raised his head and saw a small object flying towards him. After a long time in contact with Zhang Yu, the black dragon had no doubts, opened his mouth and ate the potion. .

"Weng". Suddenly, Heilong's eyes protruded.

The Dragon King despised: "It deserves it, can human beings believe it".

"Is it all right". Red Dragon worried.

Without waiting for the black dragon to speak, the scabs on the broken dragon claws' wounds burst open, and blood spurted out, and then the granulation proliferated rapidly and grew into a limp dragon claw, and then the bones also grew out.

"call out". With a wave of the newly-grown dragon claw, the black dragon exclaimed to Zhang Yu: "Thank you".

"You're welcome, come and play with me often when you have time." Zhang Yu waved and shouted, looking hospitable.

After seeing the black dragon's hand healed, the Dragon King was so shocked that he couldn't speak, with a complex expression on his face, and he became more vigilant towards Zhang Yu. Such powerful things can be sent casually, and he must be uneasy and kind to the Dragon.

The crooked Dragon King urged: "Daughter, follow me."

"Father, I want to stay here." The red dragon reluctantly said.

"What, are you crazy? You forgot how humans treat you. Do you still want to be enslaved by humans." When the dragon king heard this, he was furious.

"But Zhang Yu is very good to us. He has never regarded us as human beings. He has unfinished food every day. When he is free, he will watch movies with human beings, go play in the water, go hide-and-seek, go." Red Dragon said endlessly.

"Yes". Black Dragon agreed.

Hearing what his daughter said, the Dragon King was shocked. He couldn't understand why Zhang Yu was so good to people. He didn't understand at all. In the world where Zhang Yu lives, as long as it is an intelligent creature, it is a concept that can live in peace.

In the Magic Continent, selfish races are all over the ground, narrow-minded, making the Dragon King reluctant to believe in humans, but the words of his daughter made the Dragon King start to think differently about Zhang Yu.

The Dragon King instructed the adult dragons behind him: "You go back first, I want to stay."

The dragons immediately discouraged.

"Dragon King, no."

"Human danger".

"---".

"I have already decided, and all will go back to Long Island for me." The Dragon King said solemnly.

"Yes". The helpless Dragon Clan members had to leave first.

The Dragon King said to his daughter: "Let's go, let's go and see what is the difference between that human named Zhang Yu, if he lied to us, with me, he can also take you to escape."

"whatever". The Red Dragon didn't care about it, anyway what the Dragon King said would never happen.

Zhang Yu didn't mind when one more dragon came to visit. Instead, he hurriedly returned to Mars with the teleportation slab and began to research. As long as the development is successful, the distance will not be a problem.

Mars, the golden dragon king all over, looks like a moving gold nugget. The citizens of Xingyue Institution stared at the dragon king shiningly, and the dragon king became hairy and confused and said: "Why are they looking at me like that? ".

"Because my father looks like a big gold nugget, very valuable." Hong Long snickered.

"Yes". Black Dragon nodded in agreement.

"Ok". The Dragon King immediately stared at the black dragon with sharp eyes.

"---". Suddenly, the black dragon dared not speak.

The Dragon King, who came to Xingyue Institution for the first time, was quickly attracted by the food on the street. After the Dragon King tasted a bite, tears burst into his face. The Red Dragon was surprised: "Father, you don't like these foods. ".

"No, just thinking of the food I ate before, I feel that I have lived so long in vain. It turns out that there are such wonderful foods in the world." The Dragon King explained with green eyes.

"---". The two dragons were speechless.

The huge golden body of the Dragon King occupies a large area on the street. The little girl passing by, staring at the Dragon King and shouted: "Look at it, mom, it's a gold nugget, it's so big, and you can eat."

"---". The dragon king who was eating was full of black lines.

The girl's mother picked up the girl and said, "That's not a gold nugget."

"is it". The girl Mengmeng said.

When the Dragon King saw that the pedestrians were not afraid of himself at all, he immediately curiously said: "How come human beings are not afraid of us at all."

"Because we are familiar with humans." Honglong explained.

"Oh". The Dragon King suddenly.

After a while, after eating up all the food in the store, Dragon King was not satisfied, and said anxiously: "Go, continue eating at the next store."

"Father, you eat less, I have no money." Red Dragon shouted.

"I have a lot of money, gold coins, it doesn't matter, just treat me." The Dragon King didn't care.

"Gold coins are not valuable here. The valuable things here are magic cores or magic crystals." Honglong explained.

"What, why?" The Dragon King who suddenly changed from a rich man to a diaosi shouted in shock.

"Because the gold here is piled up into mountains." Heilong explained.

There are so many meteorites in space. You can find all kinds of rare metal ores when you look for it. Since the beginning of the space age, the people of Xingyue Organization have harvested the surrounding valuable meteorites, so Xingyue Organization does not lack precious metals at all.

The Dragon King said depressed: "What should I do?"

"Just take a part-time job." Red Dragon said.

"What part-time job". The Dragon King is confused.

"It's just a part-time job. After the labor, others will pay us reasonable remuneration, fair and just." Honglong explained.

In this way, the Dragon King was led by his daughter Red Dragon. In order to eat delicious food, the Dragon King followed the two dragons to work part-time jobs for humans and contribute to the Xingyue Organization. If they were known by the Dragon Clan members, they would definitely go crazy.

In the Magic Continent, engineering robots are exploiting the magic crystal ore veins. This kind of magic crystal, which is harder than alloy, is extremely difficult to mine, so the speed is extremely slow. It takes only a long time to mine a few tons of magic crystal.

In the Mars headquarters laboratory, Zhang Yu, who was studying the transmission of the slate, was interrupted by Zhinao Xiaowen: "Brother Yu, the magic crystal mine is too hard, and the mining is not smooth."

Zhang Yu, who stopped studying, said, "Well, wait for me."

"Yes". Wisdom Xiaowen responded.

"Everyone, come here." Zhang Yu shouted to the students.

"What's the matter, teacher". Shi Xi and others gathered and asked.

"First develop some laser cutters to mine magic crystal mines." Zhang Yu ordered.

"Teacher, if you can't mine, you can mine later, so what are you doing in a hurry?" Shi Xi was puzzled.

"The teleportation slab needs energy to open, and there are too many precious metals in the Star-Moon Institution, which is no longer suitable for currency, so we must find something more equivalent to serve as currency. Magic spar is very good, and the energy in it is exactly what we need. of". Zhang Yu said.

"Understood, we will start manufacturing immediately." Shi Xi and others responded.

The laser cutter has information in the database. Shi Xi and others quickly manufactured it according to the drawings. Although the number was a bit large, the number of engineering robots required was completed in one day.

Zhang Yu, who left the matter to his students, conducted a series of researches on the transmission slate and discovered that the slate was made of space stones and painted with alchemy magic circles. Unfortunately, the magic circle was not complete and Zhang Yu could only do it by himself. Try to fix it.

To repair the magic array out of thin air, of course would be helpless. Helpless Zhang Yu had no choice but to learn the general magic array on the magic continent first, first understand the structure and principle of the magic array, and increase his knowledge before repairing the teleportation array.

Zhang Yu, who was studying hard, printed all the information in his mind with a glance and ten lines. His unforgettable talent made Zhang Yu quickly grasp all the knowledge of the Magic Array on the Magic Continent.

After receiving a huge amount of knowledge in a short time, Zhang Yu's spirit became tired, so he had to take a break and told Xiaowen: "Nothing big, don't wake me up."

"Ok". Wisdom Xiaowen responded.

In Zhang Yu's deep sleep, on the Magic Continent, on the stone mountain next to the Demon Crystal Mine, the goblin clan found a robot that was mining, sneaked into a goblin next to the engineering robot, and saw what had been excavated.

The goblin stared greedily at the magic crystal mine and thought to himself: "Damn, there is a magic crystal mine here, and you can't let others take it."

Butters, who hurriedly returned to the goblin territory, came to a huge metal building in the goblin king institution and reported to the king of the goblin clan: "Organization king, there is a puppet digging a magic crystal mine near our territory.

"What, are you sure it is the magic crystal mine." Goblin Institution Wang asked greedily.

"Yes, I read it right." Butters nodded affirmatively.

"Since it is something next to our territory, how can it be excavated by others, come here, gather the army, and take back the magic crystal mine. With the magic crystal mine, our goblins will rise." The goblin agency Wang exclaimed ecstatically.

"Yes". The goblins responded with bright eyes.

A large number of goblins ran out of the house, dressed in heavy armor, and assembled with metal weapons. They only waited for the king of the goblin organization to give an order, and went to the magic crystal mine to capture the magic crystal mine. The latest chapter address of the city’s technological empire: https://www.ltnovel.com/book/103360.htmlRead the full text of the city’s technological empire: https://www.ltnovel.com/read/103360/The city’s technology empire txt download address: https://www.ltnovel.com/down/103360.htmlUrban technology empire mobile phone reading: https://m.ltnovel.com/read/103360/For the convenience of reading next time, you can click \"Favorites\" below to record this reading (following Chapter 902), and you can see it next time you open the bookshelf ! If you like "Technology Empire in the City", please recommend this book to your friends (QQ, blog, WeChat, etc.), Thank you for your support! ! (www.ltnovel.com)

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