Taking out the blank paper, he immediately began to sketch briefly.

If you want to make a complex soul guide, you must first list the requirements and then list the solutions. The third step is to build all the required magic arrays according to the solution. The fourth step is to make the magic arrays match each other and streamline them while maintaining their effects as much as possible during the matching process. The fifth step is to run-in the drawings.

Only after these five steps can you start trying to make a core magic array. Then, based on the core magic array, the entire process is quite complicated.

Although Huo Yuhao successfully made the eighth-level decomposition cannon, in fact, he was still quite different from the eighth-level soul tutor. First of all, it was about this drawing. At that time, Xuan Ziwen provided him with the drawing.

While drawing the drawings, Xuan Ziwen murmured to himself, "First of all, the material selection. Since our alchemy furnace is at level nine, we must fully consider the material bearing problem of the alchemy furnace itself. Although the core magic array can generate energy compression and barriers, the materials outside must also be tough enough and have good isolation. At the same time, we must also be good at thermal conductivity..."

Huo Yuhao stood aside, watching Xuan Ziwen's drawings while listening to him carefully. These words were obviously said to him.

During research, time always passes quickly.

Xuan Ziwen is worthy of being a level nine soul tutor. However, after one day, Huo Yuhao felt a little dizzy with his mental strength and had to restore his energy through meditation. However, Xuan Ziwen was still devoted to the research day and night, and the drawings and drafts were already thick.

The complexity of the level nine soul guide is far beyond Huo Yuhao's expectations. The level nine soul guide itself is composed of multiple level eight soul guides, including not only knowledge of the space system, but also time system, etc. Every detail is very different from Huo Yuhao's cognition in the past.

Moreover, in the process of making the ninth-level soul guide, all the rare metals selected are treasures, and each type is very difficult to carve. It not only requires soul power, but also requires the combination of soul power and mental power. The complex core magic array, even with Huo Yuhao's strong mental power, was shocked at all and his brain was completely dizzy.

Not everything Xuan Ziwen talked about could be understood. Xuan Ziwen seemed to be indifferent to this, and he told it like a cramming duck. He didn't repeat it, and let Huo Yuhao understand it. He only occasionally asked Huo Yuhao for a few words. If Huo Yuhao answered correctly, he would continue to speak. If he answered wrongly, he would immediately be scolded.

In a blink of an eye, three days have passed and the prototype of the drawing has already taken place. Xuan Ziwen has begun the fourth step of making the drawing, which requires the simplification and integration of the core magic array.

This combination is not to make a core magic array in the end. Instead, by simplifying it, make the core magic array as simple as possible. The difficulty of making is reduced.

Of course, this is just relative. The production of a level nine soul guide is all hard work.

It will be even more difficult to make a level nine-level soul guide shell, because in addition to the complexity of the level nine-level soul guide, in order to pursue the ultimate, the level nine-level soul guide shell also needs to set all core magic arrays to the limit so that they can produce the greatest power when they explode. Therefore, it is possible to explode at any time during the production process.

"Yu Hao." A low call came from outside. Huo Yuhao, who was standing next to Xuan Ziwen, turned his head and looked. He Caitou waved to him at the door.

Huo Yuhao glanced at Xuan Ziwen, and Xuan Ziwen waved his hand to him and signaled him to go by himself. However, Xuan Ziwen's eyes were always on the drawings.

Huo Yuhao hurried over, came to Hecaitou, and lowered his voice and said, "Second Brother, what's the matter?"

He Caitou whispered: "One of me is here to see you. You and Teacher Xuan have been in for three days. You should pay attention to rest when it's time to rest, and you should also remind Teacher Xuan. This is what the eldest brother asked me to tell you. Also, don't forget that you will go back to the college the night after tomorrow. Senior sister sent someone to remind you today."

"Oh, oh." Huo Yuhao remembered that he had promised Zhang Lexuan to attend the blind date and also to get his graduation certificate.

After patting his forehead, Huo Yuhao said, "Luckily you came to remind me, otherwise I would have forgotten, thank you! Second Senior Brother."

He Caitou smiled and said, "Brother, what are you grateful to? What are you and Teacher Xuan studying?"

Huo Yuhao said: "Alchemy furnace." Although Beibei didn't let him talk about refining elixirs, this refining elixir was nothing.

He Caitou said curiously: "Alchemy furnace? What is it for?"

Huo Yuhao said: "To refine elixirs, Teacher Xuan will make an advanced alchemy furnace. In the future, refine elixirs to our Tang disciples to take them to enhance everyone's cultivation speed."

He Caitou's eyes lit up and he said, "That's great. Seeing that your cultivation has improved so quickly, I'm in a hurry!" Since his cultivation level exceeded the Soul Saint level, He Caitou obviously felt that his cultivation speed could not keep up. It was not that he did not work hard, but because of his own martial soul.

He Caitou is a food-based soul master. The later the food-based soul master will be, the more difficult it will be to improve his soul power than ordinary soul masters. But if there is medicine, it will naturally be easier. He Caitou is not resentful at all. He is a soul tutor himself, and most soul tutors are improved by relying on medicine. It is of course a good thing to take medicine. Without sufficient cultivation, it will also affect his future becoming a level eight or even a level nine soul tutor.

Huo Yuhao smiled slightly and said, "Don't worry, we will start trying when the alchemy furnace is ready."

He Caitou nodded and said, "Then I'll go back first. I've been exhausted in the past few years. But looking at the finished products of the soul guides, I still feel a sense of accomplishment. You should study hard with Teacher Xuan. Junior brother, you are better talent than me, so you must work hard!"

"Sure!" Huo Yuhao agreed.

After leaving Caitou, Huo Yuhao returned to Xuan Ziwen honestly and continued to study the drawings with him.

Xuan Ziwen is still very satisfied with Huo Yuhao these days. For three days, he has almost never left his hand. Moreover, although he often scolds Huo Yuhao, he is actually very satisfied. Huo Yuhao has a very high understanding and even surpasses the past. He can always learn from his own words and sometimes even put forward some good suggestions that surprise him.

Xuan Ziwen is still very satisfied with having such a smart apprentice, but in order not to make him complacent, his attitude is always bad. He just needs to suppress a little of his genius, otherwise he will easily become arrogant.

Huo Yuhao's current understanding is indeed better than before, and the reason is very simple, because of Wang Qiuer's sacrifice fusion. Wang Qiuer gave him the three-eyed golden skull. The fusion of this skull not only has the effect of improving the mental power of Huo Yuhao, but also has a great effect on his spiritual development and increasing his understanding. These are all subtle, and Huo Yuhao himself is not completely clear about it.

In fact, if he had not had his great understanding, even if he had taken the treasures of heaven and earth and merged with a large amount of vitality, his cultivation would not have been so solid even if he had improved so quickly.

In a blink of an eye, another day passed. Research was so easy for people to forget about food and sleep. It was not until He Caitou came to Huo Yuhao again that he remembered that he had to go to the college again.

Xuan Ziwen did not stop him from this and asked him to go. He always had to get a diploma. The drawings have entered the final integration stage. With Huo Yuhao's ability at this stage, he still doesn't understand it very well. Xuan Ziwen himself needs to think about it carefully. There is no mistake in this. As long as there is a problem in one aspect, it may lead to the loss of all the treasures.

After leaving Xuan Ziwen's laboratory, Huo Yuhao took a deep breath, and the fresh air rushed into his heart, feeling indescribable.

"Second Brother, then I'll leave. Please tell me and the eldest brother, I'll come back tomorrow morning." It was dawn outside, but he stayed in Xuan Ziwen's underground laboratory for several days. When he came out, he couldn't even tell the morning and afternoon.

He Caitou grabbed him and said, "I said, junior brother, are you going like this?"

Huo Yuhao said for granted: "Yes! Otherwise, how else can you go?"

He Caitou looked speechless, "Junior brother, senior sister said that you will attend the Haishen Pavilion blind date conference this time. You are now the storefront of our Tang Sect. Look at you, this outfit hasn't changed since you came back. You haven't taken a shower for a few days and your hair is messy. If you want to go like this, I will ask senior sister to call him back. Get it clean up quickly, then eat something to make yourself more energetic."

"Uh..." If I hadn't reminded Caitou, Huo Yuhao would have never noticed that there were so many problems with him. I haven't taken a shower for several days. I've been with Xuan Zixi every day, and I've been immersed in the world of soul guides. Now, I'm not only very sloppy, but also have no appearance at all.

His face turned red, and Huo Yuhao said, "I'm going back now. Thank you for the reminder of the second senior brother."

He Caitou smiled and said, "You! Go quickly. Senior brother has asked you to prepare your clothes for you. When you go out, it means that our Tang Sect is visible. In order for more students to join our Tang Sect in the future, you will also have a glorious place this time. Do you remember?"

"Oh, OK." Huo Yuhao agreed, feeling warm. The elder brother worked so hard to take care of Teacher Xiaoya every day and did not forget his own affairs. This concern is really like a brother. (To be continued...)
Chapter completed!