Chen Dui's heart moved, and his fingers nimbly pulled out a one-star energy card from it, and put it in front of him to examine it carefully.

Judging from the surface structure, this one-star energy card is not surprising, it uses the most widely used bacchus structure now, and it is also the most common structure. However, Chen Du still noticed something strange about this card.

Weight - This card is a little heavier than the average one-star power. Tens of thousands of one-star energy cards have been produced, and Chen Duan has long been familiar with the weight of one-star energy cards. Regardless of the structure it uses, as long as it is a one-star energy card, its card weight will not exceed a certain range.

Obviously, the weight of this card is not in this range.

Closing his eyes, his index finger and thumb gently rubbing against the surface of the one-star energy card, Chen Du carefully felt the slightly raised patterns on its surface.

The texture is too shallow, vain and weak, this feeling is ...... This feeling...... Chen Du frowned, recalling the feeling of déjà vu.

Thought of ...... Chen's eyes lit up suddenly—like the result of painting on some lighter material!

But no, Chen Dui couldn't help but have even greater doubts in his heart. From the point of view of the feel, the material of this one-star energy card is extremely hard, and the feel is heavy, according to the general law, the texture depicted on it should be stronger.

How can it feel this way? It's weird!

After carefully checking the energy card in his hand again, Chen Duan still didn't find anything that caused this strange phenomenon. There are no mistakes in the composition, and judging by the fluidity and grace of the brushstrokes, this is absolutely a master. Even if I have been making a one-star energy card for three years, I can't draw such beautiful lines with my own skills.

This also made Chen Du even more puzzled. Master-level one-star energy card, this statement itself is a bit strange, which card-making master will make a one-star card? If it was a five-star energy card in his hand, Chen Duan would feel more normal.

After thinking about it, Chen Du put this somewhat strange card together with the one-star card with the new structure he had just discovered.

Chen Dui, who had finally finished his work, breathed a sigh of relief.

Having been engrossed in his work, he now feels a little tired.

"I'll take these two cards with me." Chen Dui raised the two one-star energy cards in his hand towards Xiao Hei.

"No problem, no problem." Xiao Hei smiled and said that he had gained a lot today, and Chen Duan helped him find five unused energy cards today, and his mouth was about to smile crookedly.

In Xiao Hei's heart, this guy Chen Du is quite eccentric. Looking at what he was wearing, he knew that he was a child from a poor family. Children from poor families like this will never let go of every little bit that can be saved. These unused energy cards in their hands are a lot of money in their eyes! Chen Du strangely didn't care about these unused energy cards, but was very interested in those one-star energy cards, and they were all used up energy cards.

Of course, this would only be thought of in his heart, and he would have liked to do so. If Chen Du was normal, then these energy cards in his hands would not fall into his hands, this is all money!

While self-intoxicating in his heart, he sent Chen Du away with a smile.

When I got home, it was already ten o'clock in the evening. After eating something indiscriminately, Chen Duan couldn't wait to take out the two energy cards he got today and study them.

The first one-star energy card made Chen Dui's eyes light up.

It was a structure he had never seen before, with intricate patterns made up of pale blue lines that covered the entire deck. This one-star energy card is the size of a playing card, the material has a hint of softness, and the card surface is smooth, but if you caress carefully, you can feel the raised pattern.

When ordinary people see such a complex pattern, they are afraid that they will feel dizzy and don't know where to start.

Chen Dui's eyes lit up. For three years, he had to face similar patterns every day, and although the structure was different from what he was looking for, the complexity was comparable. The twelve new structures also gave him a lot of experience.

If you want to decipher the structure of a card, you must find its starting point, that is, the landing point of its first stroke. Then follow the line and continue to go deeper, it will be easier to understand.

Although the one-star energy card is complicated, it is the simplest of all the cards. But even so, it wasn't until three hours later that Chen Du really understood the role of each of its strokes. However, in order to make the same one-star energy card, he still needs a lot of practice. But he gave up on this intention, a lot of practice meant a lot of consumption, at least for now, although he had a little savings, it was not enough for him to squander it so much.

On top of that, he had calculated that the cost of this new structure of one-star energy cards was slightly higher than the one he was making now. It's not his style to spend a lot of money practicing a new structure that doesn't make any sense to him. But there is still something worth learning from this energy card, a paper clipping structure, which may be integrated into its own energy card structure.

Chen Du pondered, but his fingers involuntarily slid over another one-star energy card. His gaze fell on the second energy card he had just acquired.

There is nothing surprising about the drawing of this one-star energy card, it is the most widely circulated and used standard one-star energy card drawing method today. However, what caught Chen's attention was the strokes on the face of the card.

The lines are beautiful and smooth, the tone is extremely skillful, and each turning arc is round and full, a master's hand.

This card looks quite old, and at first glance it looks quite old, presumably the early work of some master. But the first thing that caught Ye Chong's attention was not these two points, but its weight and thickness.

This old one-star energy card weighs one-tenth of a percent more than a regular energy card. The weight of a one-star energy card is so small that even a tenth of it is difficult to detect. But there were too many one-star energy cards made by Chen Duan, so he felt it when he picked up this one-star energy card for the first time. The same goes for the thickness, the thickness of this one-star energy card is a bit thicker than that of a regular one-star energy card.

This is the biggest reason why this card caught Chen Dui's attention. The one-star energy card is the earliest card to appear, and it is also the most used card, and its normative standards have been drawn up since its inception. Until now, the so-called standard structure and standard materials have been no different from the time it was founded.

How can there be such a difference in a one-star energy card made by a master?

Don't......

Chen Du naturally thought of the material, could it be that this unknown master had found a new material for the one-star energy card? In order to make a living, Chen Duan has been working on how to reduce the cost of one-star energy cards, and this one-star energy card has aroused his strong interest.

Removing the energy card from the energy meter, the room was plunged into darkness.

After hesitating for a moment, Chen Duan gritted his teeth and inserted the strange one-star energy card in his hand into the energy meter at home.

Hey, it's not bright! The room was still dark, without a glimmer of light.

Chen Du was stunned, how could it not be bright?

No way! This was the first thought that popped into Chen's mind. There was no trace of any use on this card, and Chen Dui could tell at a glance that the energy card had been depleted. He dared to assure that this energy card, although old, was an energy card that had never been used.

Moreover, the structure on this card is flawless, without any mistakes, and it is much better than the one-star energy card made by Chen Dui himself. There is absolutely no reason for such an energy card to be damaged.

But now the truth is that it really can't provide any bit of energy.

Insert your energy card back into the energy meter, and the room is bright again. The energy meter was not broken, and this external cause was immediately ruled out by him.

So what went wrong?

Under the light, Chen Duan carefully studied the energy card.

Rubbing the card in his hand, a guess suddenly rose from Chen Dui's mind, could this be a waste card in itself?

A master will make a scrap one-star energy card? This kind of surname is not very big, Chen Du muttered.

Carefully exclude one factor after another, the structure is drawn correctly, there are no traces of use, no signs of energy loss, but energy cannot be supplied.

Material? Chen Dui's mind flashed with inspiration, and he suddenly thought of the slightly thick feel, and the more he thought about it, the more he felt that it might be related to the material.

Chen Du put the side of the card in the light, and when he looked closely, he found something strange. On the side of the card, which is less than a millimeter thick, there are two very light-colored dividing lines. It turns out that this card is actually made of three materials glued, because the colors of the three materials are very close, it is difficult to find if you don't put it in front of your eyes.

Failed experiments? It seems that this is the most possible. Many years ago, a master tried to improve the one-star energy card, and in the end it failed, but this failed experiment was somehow handed down, and happened to be discovered by Chen Dui.

This seems to be the most likely speculation.

Chen Du was a little disappointed in his heart, if this was the case, then this waste card would be worthless.

The finger subconsciously rubbed lightly on the edge of the card, and suddenly, the finger felt different.

Chen Du hurriedly put the card back in front of him, I don't know if it was too old, the edges of the card had begun to peel off. Chen Dui, who had already lost interest in this waste card, suddenly became a little curious. If it really coincides with his own speculation, then this master must have thought that these three materials could be glued together to improve the one-star energy card. Chen Duan has a clear understanding of his own level, his level is probably not as good as that of ordinary beginners, and he has never received any formal learning in card making.

But he also has his own self-confidence, that is, a one-star energy card! From the very beginning, he had only studied one-star energy cards, and he couldn't have been more familiar with one-star energy cards. Since the last time I made a fine-tuning of the one-star energy card, there has been no breakthrough. Today's card gave him another inspiration, since there is no breakthrough in the structure, so why not try it in terms of materials?

With this in mind, Chen Duan became a little interested in the material of this experimental card. Although this experiment card is a waste product, it is undoubtedly written by a master, and the knowledge in all aspects is certainly not comparable to himself. It was precisely because of this reference in his heart that Chen Du planned to carefully study the three layers of material that were glued together.

Carefully uncovering the outer film that had begun to peel off, Chen Du couldn't help but sigh in his heart, no matter how strong the material was, under the erosion of time, it would be difficult to maintain the brilliance of the past.

When Chen Du completely uncovered the film on the surface, suddenly, he was completely stunned, staring at this card, like thunder, stunned!

The black card surface like a dark night, with thousands of silver threads as thin as hair, like a spider web, covers the entire card surface, which seems to be disorganized, but at random a small part, you can find graceful arc turns, rigorous structures, and incredibly complex nesting.

Although the silver lines are as thin as a hair, they are a little difficult to distinguish with the naked eye. It looks like the capillaries of the human body, giving the illusion that silver is flowing slowly.

What is it? Cards?

Chen Dui muttered to himself unconsciously, and his brain was completely in a state of semi-stagnation.

It took him ten minutes to recover from this state of chaos. He rubbed his eyes vigorously to make sure he wasn't dazzled.

His own speculation was completely off the track. What a failed experiment, this is obviously a disguised card. With Chen Duan's limited knowledge, he naturally didn't know what kind of card this was. In fact, the complexity of this card far exceeded Chen Dui's cognition, such fine lines, such superb craftsmanship, he had never seen it, and he had never even thought about it.

At the acquisition station, he had never seen those high-end cards, although they were all discarded, but such a complex and delicate card was something he had never seen before.

What kind of card is this? Chen's curiosity was at an all-time high.

**************************************************************************

A large number of referral tickets are urgently needed! Thanks a lot!