The only material that the Tang Chamber of Commerce lacked was the Yuan Energy Crystal.

Yuan Energy Crystal is a natural spar that can absorb and store vitality.

This kind of spar is an indispensable core part of the accumulation of the inscription, and it is also an essential material for the production of the inscription.

Not only the Yuan Inscription, but also many high-level inscriptions in the Divine Domain are also made of this kind of spar.

The formation conditions of the Yuanneng Crystal are very harsh, and the geological conditions of the Tianwu Continent are difficult to form, I am afraid that this kind of spar will not exist, and only the resource-rich Divine Domain will give birth to this kind of spar.

As the president of the Tang Chamber of Commerce, Tang Shi'an has been in business for many years and has traveled all over the country, but he has never even heard of Yuanneng Crystal.

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This is enough to show that the probability of the existence of Yuan Energy Crystals in the Tianwu Continent is very low. At least in a small country like the Southern Xia Kingdom, it would not have existed.

Without the Yuan Energy Crystal, it is not impossible to make the Yuan Inscription.

As long as you find a suitable energy storage material, you can also replace the Yuan Energy Crystal and make an inferior Yuan Inscription, but the effect may not be as good as that made by the Yuan Energy Crystal.

However, Lin Yun had no way to find fault now, after all, he was in this small kingdom with few resources, so he could only use the inferior Yuan Accumulation Inscription first. Later, when you find the Yuan Energy Crystal, you can remake a high-quality Yuan Inscription for inscription.

However, it is a question of what material to find to replace the Yuan Energy Crystal.

Lin Yun was in the Divine Domain in his previous life, and he didn't know much about the situation in the Tianwu Continent. It is not clear what materials the Tianwu Continent has that can be used to replace the Yuan Energy Crystal.

asked Tang Shi'an for a long time, but Tang Shi'an couldn't answer why.

Even the well-informed Tang Shi'an didn't know this kind of thing, let alone the ignorant rice buckets below.

Therefore, Lin Yun could only leave the Tang Chamber of Commerce with the materials and return to Yuzhou Wufu.

Lin Yun only heard not long ago that there are a large number of books in the library of Yuzhou Wufu, spanning various fields, familiar with ancient and modern, and all-encompassing.

Among so many books, it may be possible to find a material to replace the Yuan Energy Crystal.

With this idea in mind, Lin Yun soon came to the library pavilion.

When Lin Yun came to the library pavilion, the sun had already set, and the whole world was shrouded in night.

Seeing that the library pavilion was unguarded and the door was not locked, Lin Yun directly pushed the door in.

The interior of the library is large, but it is filled with wooden shelves for books, and it looks a little cramped.

Perhaps because it was late in the day, the entire library was empty, except for a young man with a thief's eyebrow, who was lying on the second window sill, looking out.

The boy looked out of the window as if fascinated, and his saliva was running down the corners of his mouth, and he didn't know what he was looking at.

When he heard Lin Yun's footsteps, he shrank back violently and hurriedly hid under the bookshelf, panicking as if he had done something wrong.

Lin Yun was not interested in what this young man was doing and why he was so surprised.

After entering the library pavilion, Lin Yun shuttled through the middle of the rows of bookshelves, patiently flipping through various books.

Lin Yun's spiritual power was far beyond ordinary people, so his reading speed was very fast, and he flipped through more than a dozen thick books in a blink of an eye.

Soon, Lin Yun found a book about inscriptions.

This book records all kinds of knowledge about inscriptions, and it also details the various inscription materials in the Tianwu Continent.

This is exactly the book that Lin Yun was looking for on this trip, Lin Yun immediately opened the book and began to read it carefully and carefully.

Just as he was engrossed, the door of the library was slammed open, and a red-haired girl rushed in angrily.

"You voyeur, have you seen enough in the library? Don't get out of here! ”

A brutal and shrill-pitched female voice sounded.

A red-haired girl appeared at the end of the bookshelf and rushed towards Lin Yun in a rage.

This red-haired girl is about seventeen years old, wearing a tight leather suit, highlighting her hot body, revealing a sexy little waist, giving people a very cool feeling.

As soon as she rushed up, she unceremoniously smashed at Lin Yun with a punch.

Lin Yun's eyes were still focused on the open book, and he didn't even glance at the fist that was thrown at him.

Just when the red-haired girl thought that her punch was about to be successful, Lin Yun's head was only slightly offset.

It seemed to be a random deviation, but it happened to be impartial and unbiased, and it accurately avoided the fist of the red-haired girl.

The red-haired girl missed her punch, a flash of surprise flashed in her eyes, and then she threw several punches in a row, and brutally kicked Lin Yun's lower body.

Although the red-haired girl's movements were skillful and coherent, and the angle was tricky and ruthless, she was still accurately avoided by Lin Yun, and never a punch fell on Lin Yun.

When her last punch hit Lin Yun, Lin Yun flashed sideways, and while avoiding the fist, she reached out and grabbed the red-haired girl's arm and pulled it back.

The red-haired girl immediately lost her balance and flew out uncontrollably, slamming headfirst into the bookshelf, knocking the entire bookshelf over.

A large number of books were scattered down, and the head and face were pressed against the red-haired girl, covering the entire floor.

But Lin Yun acted as if nothing had happened, and still stood calmly in place, continuing to flip through the books in his hand as if nothing had happened.

"Pepper, how's it going over here?"

"Did the voyeur get it?"

"We're all here to help!"

At this moment, several soft female voices sounded.

Immediately afterwards, several girls rushed into the library and appeared in front of Lin Yun, blocking all the roads in front of Lin Yun.

The red-haired girl also stood up from the pile of books and looked at Lin Yun with annoyance and anger on her face.

Even though the expression on her face looked even angrier than just now, she didn't continue to rush up and attack Lin Yun.

Because it was only the moment of the brief battle just now, it found that the strength of the young man in front of it was extraordinary.

Although her strength ranking in the outer gate is not high, in terms of reaction speed, she is definitely among the best.

However, even with her fierce attack, the young man in front of him could easily avoid it, and even showed a nonchalant attitude.

This is something that no one can do in the outer door!

Could it be that this young man is an inner disciple?

But the inner disciples are usually ten ** years old, and this young man looks like he is only fifteen or sixteen years old.

If he is really an inner disciple, then he is too young, right?

Thinking of this, the red-haired girl also calmed down, suppressed the anger in her heart and said to Lin Yun, "How did you get in?" ”

Lin Yun didn't speak, but looked at a few lines of text on the book intently.

Because these lines describe an inscription material called energy storage ore.

The use of this material is very similar to that of Yuan Neng Crystal, although the power is not as good as that of Yuan Neng Crystal, but it can also be used instead of Yuan Neng Crystal to make Yuan Yuan inscriptions.