After saying goodbye to Dane, Xu Zheng went to check on Yihu Father and Yihu Niang again, and after confirming that the two parents were indeed living comfortably, he rode Lulu and flew straight into the wilderness of the lower city.

Seeing Carlo and Lucina, of course Lucina jumped up and hugged Xu Zheng tightly and rubbed it hard, almost screaming heartlessly, and couldn't wait to rub it into her arms. Xu Zheng let her hug her tightly, but she almost didn't hold her breath. In the past ten days, she has really taken care of herself, and when she got Dane's notice, she was looking at Xu Zheng to come back. Now that he is in his arms, he can't help but turn Xu Zheng over and over again, if it weren't for Quincy holding her, I'm afraid that Xu Zheng's clothes would be ripped off by her to see if there was any injury. After confirming that Xu Zheng was indeed safe, he let go of his heart and asked Xu Zheng carefully what he had seen and heard along the way.

Seeing the red mark on the back of Xu Zheng's hand, Lucina was of course shocked and asked where it came from. Xu Zheng smiled and said that he was beaten by Rex in Samus Castle, and Lucina immediately felt distressed, and she cursed the people of the Samus family a thousand times. This one who killed a thousand knives, the big class and the small class, as well as Xu Zheng, these three sons hurt to the bones, and some people were willing to beat people, which is really unreasonable.

Needless to say, Carlo was quite angry at Xu Zheng's silent departure, and while sneering and saying that the beating was good, he stretched his face to look at Xu Zheng and saw that Xu Zheng was furious.

It was this benevolent and kind uncle who led Xu Zheng to the imperial capital, Xu Zheng had an instinctive respect and love for him, so he automatically ran to Carlo to admit his mistake, and flattered and laughed for a long time before Carlo let Xu Zheng go. If it weren't for the red mark on the back of Xu Zheng's hand, knowing that most of this kid had suffered from Samus's family, it is estimated that Carlo would have beaten Xu Zheng hard.

In the evening, Angels and Luki came over, and the younger generation was uncomfortable with the presence of the adults, and they were with York. All ran to the fireflies, forcing Xu Zheng to tell the story carefully after leaving the imperial capital.

I can hear the fireflies. One moment laughing, the other screaming, a group of teenagers and children were about to quarrel over there. Carlo and Quincy glanced at each other, and couldn't help but shake their heads and smile, Xu Zheng, this kid. It's a pistachio. Without him, the wilderness and the fireflies have been quiet for many days, which is really unaccustomed.

Among the fireflies, Xu Zheng is distributing gifts. Before leaving, the monster gave him countless things, and now he will use them as gifts for his good friends.

Angel was overjoyed to get the venom of the hedgehog, which was so poisonous. Cautiously took the bottle and said that it would be used to coat the dagger.

Ruki was given a finely crafted shield and a longsword. The long sword is average, but the quality is not bad. The shield is very good, it's not very large. There is a firebird painted on the shield surface, which is very light and dexterous, and the appearance is also very beautiful. Ideal for women. Lu Qi took it in her hand and waved it twice, feeling quite commendable, and she was satisfied in her heart, and she didn't take vicious words to squeeze Xu Zheng.

Taipan and Xiaopan were each given a short bow, which was clearly made by a dwarven craftsman, and was exquisitely worked, with a faint aura of magic. The twin brothers played with it. It's also a lot of fun.

Little Banga and Maika didn't know what to send, so Xu Zheng took a lot of wild fruits picked in the forest and gave them to eat. These fruits are pure and wild, and the sweet and sour taste is particularly good, and the varieties have never been seen by anyone.

York sent ten condensed drops of the Fountain of Life for Warcraft treated with hairballs. When York got it in his hand, he didn't know what it was, so he frowned at the pitifully small bottle in his palm. Earlier, Angel and Lucy had both gotten good things, and they were just such a small bottle, and they didn't feel good. When Xu Zheng explained what this was, York immediately went crazy with joy, if it weren't for everyone here, he was afraid that he would immediately dilute it and give it to Yan Chimei.

Then came Faruor, Camilla and Xiao Chu. Xu Zheng had relatively little contact with these three people, and he didn't know what their preferences were, so he took out a bunch of things for them to pick from.

The three of them were surprised that they actually had gifts to receive, and after hesitating for a long time, Farul took away a necklace, Camilla took a dark magic core, and Xiao Chu unexpectedly picked up a strangely shaped dagger.

After a while, Ajiaxi and other six knights arrived, and they inevitably complained about Xu Zheng's private departure from the imperial capital. The six of them had already found a temporary place to stay very close to the wilderness, and now their mission was changed to secretly protect the wilderness and the fireflies. As soon as the six came, just in time to distribute the gifts, Agacy got a high-quality knight's sword and a third-order light magic core, and the other five knights each had a light magic core. Third-order light system demon cores were rare, and the six of them were very happy, and the unhappiness caused by the scolding they received because of Xu Zheng was quickly forgotten.

Everyone was able to get the gifts, everyone was happy, a group of people gathered together, they didn't pay much attention to doing business, and they made a lot of noise until midnight before they dispersed.

That night, Meimei slept in her room, and the next day Xu Zheng continued to go to Ogma.

After more than ten days of absent from school for no reason, Forrester and Garcia participated in the search operation, and they knew about Xu Zheng's bad behavior. The two teachers were so angry that they both aggravated Xu Zheng's schoolwork. Garcia was furious, and regardless of Xu Zheng's progress in magic learning, he gave out the casting methods of the Fireball Technique, Fire Breath Technique, and Fire Wall Technique, and required Xu Zheng to learn it within a month. Forrester had a cold face and told Xu Zheng, no matter what method you use, you must come up with something new for me.

After the two finished explaining, they went to their own classes, leaving Xu Zheng to sit in the alchemy laboratory with a bitter face, complaining bitterly about the sequelae caused by his departure from the imperial capital for no reason.

Xu Zheng didn't have the confidence to learn the three fire-based magic spells that Gacy had come to confess in the alchemy laboratory, so he had to find time to be cheeky and beg Teacher Garcia. However, Xu Zheng is not worried about Mr. Forrester's task. It's easy to make something new that doesn't exist in Aris right now.

Alchemists don't do useless and meaningless garbage, they must have a purpose and meaning.

Almost immediately, Xu Zheng thought of papermaking.

This guy was caught by Dane some time ago to draw drawings, and he was able to draw a series of things such as water towers, magic arrays, pipeline construction, pipeline layout, and even elbows, corner water valves, etc., and he vomited blood for thirty liters, and was tortured to the point that no one was a ghost. I hated the extremely uneasy and expensive parchment rolls and inferior ink, and I missed the virtual space-based drawing software and matrix laser typesetting printing system in my previous life. It's still high-tech, the WYSIWYG mode of operation, the flexible and humanized way of drawing, it is really a good companion for design, especially for people like Xu Zheng who have a bad level of painting, it is really good. The only place where I miss my past life is about these high-tech applications...... Embarrassment.

Nostalgic for the era when computers were rampant, without this, paper would work. At least not a parchment roll...... I hated this thing to death, and after smelling it for a long time, now Xu Zheng was nauseous when he smelled a smell similar to the parchment roll, and he couldn't stop wanting to vomit. It was also criticized for its heaviness and expensiveness, and the parchment rolls in the library were piled up so high that paper could save at least ten times as much space.

So as soon as he returned to Ogmar, after Mr. Forrester gave him the task, Xu Zheng immediately wanted to do something to find a way to vigorously promote papermaking, movable typesetting, and printing and other related skills. Without these things, the development of technological and magical civilizations in the other world is similar to the cultural development of the ancient times in the previous life, and they cannot be widely developed because they are restricted by bad communication items.

Papermaking is not a difficult task, remember the ready-made recipe and preparation method in your head, just verify it yourself, make the finished product and throw it to Dane to see its benefits, and everything can be done. Comparing the benefits of parchment rolls and paper, as long as you are not a fool, you can see the difference between the two at a glance. Not to mention that Dane is not only not a fool, but also a wise monarch. The disadvantage is that it is a little poor...... He only paid 500,000 gold coins for the first water tower, and he looked like he was in pain, and he went to Bruce in private, only to know that Uncle Dane really didn't have any private money. It is said that the emperor or the monarch is very rich, but Uncle Dane is obviously an exception. So Xu Zheng really doubts that if the field and fireflies continue to operate, or expand the scale of interlocking operations, Uncle Dane may have to ask him for money!

Therefore, it is not a problem to make paper and expand its use. The trouble is the source of paper and the environmental pollution caused by the production of paper, Xu Zheng does not want to destroy the vegetation because papermaking has promoted the development of civilization, and discharge pollutants everywhere, leaving ugly scars after pollution on this beautiful land of the other world, which produces such a bad side effect. Therefore, there are two problems to be solved, one is how to obtain raw materials without destroying vegetation, and the other is to perfectly solve the problem of environmental pollution.

Xu Zheng already has a way to solve the first problem. He always remembered the uninhabited swamp that Dane and Bruce had mentioned when they explained the surroundings of Cheng'an. The swamp is borderlands, and the area of the land that does not bring any benefit so far belongs to no one. But Xu Zheng knows that if the swamp is properly optimized, there is food suitable for growing there, such as rice. And there are also large areas of wild reeds and other herbaceous plants, which are wild and unmanaged.

Xu Zheng had the idea of fighting this swamp very early, wanting to turn waste into treasure, remove the reeds, and use alchemy and magic skills to improve the swamp for rice fields. Once this uninhabited area is reasonably used by Cheng'an, it will become Cheng'an's national land, which is the rules for owning nameless land in the other world. At the beginning, Xu Zheng still had a headache about how to remove these weeds and reeds, but now he is associated with papermaking raw materials, and it is logical to kill two birds with one stone.

As for the problem of environmental pollution, it is necessary to resort to alchemy and pharmaceutical skills. The cultural development of the other world is taking a different route from the previous life, and the scientific and technological civilization has not even begun to sprout. However, although the technology here is not developed, the alchemy and pharmaceutical skills of the other world have their own special and useful places, and I believe that through these two skills, this problem can also be handled well.

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