In the following days, Zhao Hai was very busy. He first spent a few days introducing the situation on Demon Island to the HU family. There were 13 islands on Demon Island that could be inhabited. There were also many reefs that were not suitable for people to live on. These reefs were exposed above the sea surface, and there were even more submerged reefs under the sea.

Zhao Hai told Hu Yuan the location of the hidden reefs. He wanted to remove them, but Hu Yuan didn't agree. Hu Yuan knew very well that with the hidden reefs, the HU clan's safety was guaranteed. Their enemies wouldn't be able to attack the HU clan on a large scale. Even if they wanted to attack the HU clan on a large scale, they would have to remove the hidden reefs first. During this period of time, the HU clan had already prepared.

Other than the place where they lived, Zhao Hai told Hu Yuan about the situation on the island. There were demonized plants and animals there, and it was their sphere of influence. Zhao Hai explained everything clearly. He also told the demonized animals and plants not to attack the HU family.

Zhao Hai went into the cave to cultivate. His daily task was to write a book. He had to finish the book on magic arrays as soon as possible.

Zhao Hai didn't want to write too much in the book. If he did, it would be like the soul world going from primitive society to modern society. The gap in between was terrifying. Hence, Zhao Hai only wrote down the uses of the magic symbols and some simple magic arrays. He didn't even write down the magic symbols and magic arrays. He mainly wanted the people of the soul world to study them by themselves.

Zhao Hai didn't know what path the soul world would take in the end. He only wanted to protect the HU family with his own ability. That was his only wish.

The energy in the soul world was too special. The energy from the outside world was very useless here. Those high-level arrays were useless here. Even those curse arrays were not very useful here because those arrays changed their flavor here. Only magic arrays could be used here.

However, once the people in the soul world learned how to use magic arrays, Zhao Hai had no idea what would happen to the soul world.

If the soul world was really independent of all other worlds, then he taught the people of the soul world Magic arrays, which was equivalent to giving them a path. If they continued to follow this path, they would be able to leave the soul world sooner or later. Once the soul world came into contact with the outside world, it was really difficult to say what would happen to the soul world.

But no matter what, Zhao Hai had to take this step. He had to move forward because he wanted to leave the soul world and return to his body. He wanted to see his wife, so he had to take this step.

It took Zhao Hai 10 days to finish the book on magic arrays. After he finished, he handed the book to Hu Yuan. After Hu Yuan read the book, he put it away solemnly. Without his permission, no one was allowed to read it, not even Hu Chen and the others.

When Zhao Hai was done writing, he found that Demon Island had changed greatly. There was a city of plants on Demon Island. Zhao Hai could only use the word " city of plants " to describe the place.

This was a city surrounded by baobabs. The city walls were made of baobabs, which were about 25 meters tall and full of baobabs. These baobabs were not to be underestimated as they were not meant to be eaten, but to be used as weapons. They were the baobabs that Zhao Hai had developed before, which could be used for long-range attacks.

There were many small trees and vines planted under the baobabs 'city wall. The vines of these small trees formed soft ladders. These soft ladders were different from ordinary soft ladders. Ordinary soft ladders were like ordinary ladders and were attached to the wall. People had to climb up.

However, the soft ladder was like a human staircase. It also had steps, and one could directly go up to the city wall from those steps. The top of the baobabs was very flat, so people would have no problem running on it.

There were many towering trees inside the city wall, but they weren't very tall. This was also Zhao Hai's suggestion to not let the trees grow too tall.

Even though Demon Island was huge, it was still an island after all, and storms would frequently strike it. If the towering tree was made too tall, it would probably break when the wind blew. It was precisely because of this that the towering trees on Demon Island were not tall. The tallest one was only about 40 meters tall, which was considered very short for a towering tree.

To Zhao Hai's surprise, the HU family dug out a space on top of the sky high tree and planted the Aquarius tree. This way, they could use tap water. The roots of the Aquarius tree were connected to the sky high tree. If the tree ran out of water, they could draw water from the sky high tree. This way, the sky high tree would not have to worry about running out of water.

In fact, Zhao Hai wanted to install a water-collecting magic array in each room. However, before he could do that, Hu Yuan and the others had already set up the bottle tree water system. This made it impossible for Zhao Hai to set it up.

The sky high trees in the city were very dense. There were not many rooms on the outermost sky high trees. There was only one room at the top of the sky high trees for observation. At the same time, because the inside of the room had not been dug out, the sky high trees were more solid. With these sky high trees blocking the wind outside, the sky high trees inside would not receive much wind. This was also a kind of protection for the sky high trees inside.

Besides these towering trees, there were many demonized plants and animals in this city. Actually, these demonized plants and animals were not locked here by Hu clan. They came to the city by themselves. They also wanted to live in the city. Additionally, they even helped Hu clan to do some things like humans. Therefore, Hu clan didn't dislike these demonized plants at all. On the contrary, they liked them very much.

What surprised Zhao Hai the most was that the city was built around the highest peak of demon mountain. In other words, the entire city was under the highest peak of demon mountain, which was also under the ginkgo tree King. It was the place with the richest natural energy on the island. No wonder those demonized plants and animals would come to the city.

&Nbsp; Zhao Hai really didn't expect the HU family to do so much in just ten days. He had clearly underestimated the strength of the HU family elites.

Of course, Zhao Hai also contributed to this. Zhao Hai got a lot of mutant baobabs seeds from the HU family and told them how to use the mutant baobabs. That was how the HU family built this Plant City.

Looking at this Plant City, Zhao Hai couldn't help but praise, " "That's great, you actually built a city. Grandpa, you're really amazing, really amazing, hahaha."

Hu Yuan looked at the city of plants with a face full of pride. Now, he was really proud of being a botanist. Only botanists had such means to create a city in ten days. No other profession could do such a thing.

Hu Yuan looked at the city and said, " there is still a lot of work to be done here. However, it is mostly done. There are still many things to be done. However, he Cao, the rest is up to you. I want to set up some magic arrays here. You are the only one in the HU clan who knows about magic arrays. The others are clueless about it. So, I will leave this matter to you. &Quot;

Zhao Hai nodded and said, " yes, Grandpa. Don't worry. However, we will need the family's support for this. Grandpa, I think we need to transfer some blacksmiths from the family. We need blacksmiths, stonemasons, and all of these people to forge weapons. &Quot;

Hu Yuan nodded. &Quot; alright, I'll send a letter back home immediately. Just do what you need to do. Don't worry. &Quot;

&Quot; alright, " Zhao Hai nodded. &Quot; then, Grandpa, write a letter to our family immediately. I need to think about what kind of formation is the most suitable for setting up here. &Quot; Hu Yuan nodded and led Zhao Hai into Plant City. As they walked, he told Zhao Hai about the situation in Plant City. Zhao Hai was also looking at Plant City carefully. He wanted to understand the city so that he could set up a suitable magic array here.

Hu clan's members were still busy in Plant City. Zhao Hai even saw some demonized plants and animals helping them. When they saw Zhao Hai, they all looked very affectionate. Zhao Hai also touched and patted them so that those demonized plants and animals would not feel cold.

Zhao Hai had also noticed that although these demonized plants and animals were very strong and smart, they were not as mature as humans. These demonized plants and animals were like children. They would be happy if you coaxed them, but if you ignored them, they would feel very wronged.

At the sight of Zhao Hai being so intimate with those demonized plants and animals, all the members of Hu clan were a bit jealous. These days, they had been in contact with those demonized plants and animals. They also knew that they were a bit arrogant. They could contact them and help them; however, they would never Pat and touch them like Zhao Hai did. Those demonized plants and animals would never agree.

After walking around the plant fortress, Zhao Hai and Hu Yuan returned to the cave. Hu Yuan wrote a letter to the HU family and asked them to prepare the craftsmen for Zhao Hai to pick up. Zhao Hai was thinking about what kind of magic array to use in Plant City.

The first defense was the outer wall. The outer wall of Plant City was made of baobabs. Although the defense of baobabs was very strong, Zhao Hai still wanted to strengthen their defense. Then, there was the city. All kinds of magic arrays had to be prepared. In addition to these, there was the most important magic array, the mountain protection array!

The mountain-protecting formation was very important to any force, but it wasn't easy to set up. What kind of formation to use and where the energy of the formation came from had to be considered carefully. If they couldn't think carefully, the effect of the mountain-protecting formation would be greatly reduced, which was not what Zhao Hai wanted to see. (To be continued.) &Quot; if you like this work, you're welcome to come to Qidian.com to give your recommendation and monthly vote. Your support is my greatest motivation. For mobile users, please read on M.Qidian.com.)

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