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"Master, Your Majesty must be waiting for you. If you have the chance, you must go there again. It is an optical energy stone with some crystals. Under the light, some structural changes will occur.

And this change will produce some energy light, which is the energy needed by the entire spacecraft.

"Master, this is the optical energy stone, you need to find an optical crystal stone similar to it, can provide this energy, otherwise it should not be able to." No. 1 said to Ye Chu.

For these things, of course, they know better than Ye Chu. Ye Chu is not a Xuanyuan empire after all, and the six of them have stored such a large amount of scientific information from their minds.

Ye Chu asked her: "There is only you to try, I took out a few stones to see, you look for the optical instrument to test it and see if there is light in the stone."

"Yep."

The energy stone is naturally tested by the corresponding instrument, otherwise the original energy stone will not be graded. The energy stone at the time of Xinghai mainland was divided into more than a dozen strict grades.

Before Ye Chu left, he bought a large number of relatively high-grade energy stones. Now this one is also a relatively high-level one. It is probably the least in the seventh and eighth grades.

Soon on the 1st, they found six instruments for testing, because it is estimated that it is impossible to find a suitable alternative to energy stone at once. It is definitely necessary to test a large number of stones, so they took a detector. .

From his own world, Ye Chu first found out ten kinds of stones. These ten kinds of stones are more abundant in his world, and if they can be useful, they are most suitable.

The first is the lower stone, the middle stone, and the top stone and the best stone.

These four kinds of stones can be said to be the best for Ye Chu.

On the 1st and the 6th, one person picked one and started to test. Ye Chu also observed the changes of these stones here to see if it was the first round to use the test to produce effective stones.

"how about it"

Seeing that all six of them picked up the instrument and carefully examined it again, Ye Chu did not seem to see a person with an uplifting look on his face. It seems that these six kinds of things will not work.

"No, this one."

"This is not the case."

"No"

Six people gave a disappointing answer to the negative. First of all, these six kinds of stones are impossible. There is no structural crystal inside, and they cannot serve as energy stones.

Ye Chu had no choice but to take out hundreds of other species. In his own world, or in the various mustards of the storage, the relatively large stones were taken out.

One took a few pieces and let them test it, and they stared at it.

As a result, nearly 80 kinds of this have been tried. Six people still have not found an alternative energy stone, which makes Ye Chu somewhat speechless. Is this energy stone really only available in the original Xinghai continent?

Ye Chu asked them six people and said that they are energy stones. In fact, they are not particularly difficult to find in the Xinghai mainland.

Ordinary ordinary low-level energy stone, in those ordinary mountains, there may be some veins, inside which can be dug out energy stone.

But now it seems that in the nine days and ten domains, it seems that this energy stone is very scarce, and now there is no such thing as an alternative. It seems that the structure is very different.

The main thing is that the optical effects are different, so you can't produce that kind of light, and you can't generate energy.

When Ye Chu saw that they had been tested for a while, they said to them: "First take a break. Maybe these things are not suitable. Maybe we don't have the right materials here."

"Well, let's talk after the test, isn't there still dozens?"

On the 1st, "We have nothing else, anyway, if you are tired, you should go to rest, put the materials here, and tens of thousands of them will not be used for a long time. Anyway, the machine is testing."

"Well, you get it, I will take a break."

Ye Chu, a bystander, was a little tired. He put a little bit of something in his own world, almost material, and put it in front of them.

There are more than one hundred storage mustards, which are directly thrown to the number one, let her take it out from the inside and test it myself.

All of these materials add up, I am afraid that there will be no less than four or five thousand pieces. Ye Chu’s things are still too many, too many and miscellaneous. This is the same time that Shan Xiong and An Shi’s four sisters gave up.

Otherwise, it is really a mess.

Ye Chu simply became the treasurer of the hand, when he was usually with Liu Mei, he was used to it, because in front of them they are a big master and their master.

When they told them not to call their own masters, they are now screaming, and he is used to it. There are six beautiful servants like this.

Life is still so comfortable, and because of this, he hopes to find an alternative to the energy stone, which will allow the spacecraft to fly longer, so that they can stay with them.

Otherwise, if you don't need a spaceship, you won't stay with them.

He went back to his room with confidence and went to sleep. He handed over the stall to Liu Mei himself, and I believe they will finish very beautifully.

It’s just that he doesn’t seem to have much hope, because the materials of the previous large quantities have been tried. Even if the materials found in the back materials are available, the estimated amount will not be too large, and it may not last long. It won't take long.

...