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The abyss canyon is huge ...

After tens of thousands of people and thousands of years of excavation, a huge underground maze has been formed.

According to the label on the map, this abyss canyon has 108 layers, each layer is thousands of miles across.

I want to reach the location of the Windless Abyss from the entrance of the canyon. The total distance is more than 100,000 miles.

If it is placed on the surface, maybe the distance is not so exaggerated. It really let go of the speed and can be reached soon.

But after all, here is not the surface, but the underground!

Although the mine is very wide, it is meandering and there are almost no straight paths, so it can't afford to increase the speed.

Going deeper and deeper, the frequency of cave rats appeared higher and higher, and the number was also increasing. Gradually, Guman had been a bit overwhelmed.

If the number is just increasing, maybe the problem is not big, the frequency is faster, and you can cope with it. The key is that keeping the state on alert for a long time, Gu Man's spirit can't keep up.

If you concentrate on doing one thing for a long time, it is easy to produce fatigue, which is not only physical, but also spiritual.

But for three days and three nights, Chu Xingyun didn't come out to replace Guman. Guman was still driving the carriage and coping with the cave rats that appeared from time to time. He didn't dare to relax.

Finally, Gu Man felt that he had reached his limit. Although his physical strength was barely keeping up, his spirit was already stuck. If he didn't rest, he doubted that he would fall into a coma at any time.

Although embarrassed, Gu Man turned around and gently knocked on the door. When he was about to speak, Chu Xingyun handed a wine gourd out of the curtain.

Suddenly took the wine gourd and watched the curtains close, Gu Man only felt the bitterness of his mouth and did not know how to speak.

Opening the wine gourd, Guman poured a sip of strong liquor.

The spirit entered the throat, and suddenly ... a feeling of incomparably coolness, rising from the throat, and all the way down to the belly.

Then, the cool airflow, with Dantian as its loyalty, went down to Yongquan and up to Baihui, sweeping the whole body.

Washed by the cool air, the tired limbs were regenerated and full of vitality.

Not only the body, but also the mental power, also renewed vitality, and weary was swept away.

However, although the body and spirit have been restored, there is no way to treat mental and conscious fatigue.

Although the heart is very painful, Guman will never complain. Since the body and the spirit can support it, he can't speak weak anyway.

The carriage slowly sneaked, but Gu Man still kept his concentration, constantly jumping from the cowl, slamming the cave mice from all over the place, and could not relax for a minute and a second.

In the carriage, Li Chunfeng was drinking while reading a book.

In this trip, at the request of Li Chunfeng, Chu Xingyun purchased a large number of books in basic disciplines for Li Chunfeng to relieve his boredom.

Along the way, the three people passed by more than ten cities one after another, and every time he went to a city, Chu Xingyun would go to the library there and buy a lot of books.

From now on, in the reincarnation space of Chu Xingyun, ten rows of bookshelves are arranged staggeringly, each row containing tens of thousands of books.

For more than a century, Li Chunfeng has developed a good habit of reading books, and he ca n’t stand it without reading one day.

Chu Xingyun also hopes that Li Chunfeng can read more books on basic subjects, so that he can better and more thoroughly help Chu Xingyun hone his foundation.

As for Chu Xingyun, it is natural that wine does not leave his hand. If there is a spirit wine like ice pith, the one who does not drink is a fool.

Basically, drinking is cultivating, and its efficiency is even higher than concentrating on meditation.

Moreover, there is another advantage of drinking, that is, there is no need to eat or excrete, and all the time can be used to hurry.

In addition to drinking, all of Chu Xingyun's spirit is studying this carriage of nine-grain emperor.

Although the surface looks like this carriage has only nine imperial patterns, the more you study it, the more you find this carriage is not simple.

Although the carriage is made of ordinary wood, but careful observation will reveal that the refining method of this carriage is too complicated and too complicated.

The material is indeed ordinary, but when an ordinary piece of material is densely covered with dimples, the piece of material is not ordinary.

On the whole, this carriage is indeed a nine-grain emperor.

However, if the carriage is disassembled, it can be fully disassembled into 365 kings with one pattern!

That's right, the fact is so exaggerated. Even a screw on this carriage is the king! Not just a simple screw.

More specifically ...

Three one-pattern royal devices are combined into one two-pattern royal device.

Three two-pattern royal artifacts form an accessory of the three-text royal artifact.

Under the continuous combination, the final result is that a full 365 one-pattern royal artifacts are finally pieced together into a nine-pattern royal artifact!

What amazes Chu Xingyun most is that these 365 one-patterned kings are not simply matched, but according to certain rules and certain rules, they can have the desired effect.

A mere three hundred and sixty-five kings with one pattern cannot be pieced together into a nine-shaped king, not to mention three hundred and sixty-five, not even thirty-six thousand and five hundred.

Therefore, for Chu Xingyun, it is most important to explore this set of laws and rules.

As long as you understand this rule and law, Chu Xingyun can also use ordinary materials to refine the nine-grain emperor!

However, it must be said that although low-level materials can indeed be refined into nine-grained royal artifacts, they cannot really replace rare materials.

This refining method has three major drawbacks.

The first major drawback is that because the material is ordinary, the strength is very low, so this so-called nine-grain king is basically a one-time use, and it is basically broken after one use.

The second major drawback is that it consumes too much time and energy, and the input and output are not proportional.

It takes three hundred and sixty-five pieces of one-grained royal artifact to synthesize a nine-grained royal artifact.

A nine-grain emperor was refined within a month.

The three hundred and sixty-five kings with one grain can only be refined in at least three years.

In contrast, there is a big gap between refining a permanent royal artifact in one month and a disposable royal artifact in three years.

The third major drawback is the high cost.

Although only ordinary materials are used, the cost is not only the material, but also the labor cost.

Even if the materials are free, the labor cost alone is definitely not cost-effective.

Taking Chu Xingyun as an example, how could he spend three years making a one-off nine-grain emperor?

In these three years, no matter what he does, he can earn at least ten royal artifacts, and they are permanent.

The three major shortcomings of one-off, time-consuming, and high cost determine this method, which is destined to be useless.

Therefore, Chu Xingyun's dream of mass production of nine-grain emperors is destined to be shattered.

However, even so, Chu Xingyun still did not give up the study of the carriage and the exploration of the set of mysterious rules and methods.

Even if you don't use this method to refine one-time royal artifacts, you can understand the mystery of the refiner from a different angle.

So-called, the stone of other mountains can attack jade. Therefore, Chu Xingyun's exploration of this carriage will still not stop.