"Success or failure is in one fell swoop."

Feng Yun looked at a sphere lying in his palm, his eyes faintly hesitated, but he quickly became firm.

Fengyun has already filled the small sphere with the big boulders. As long as he destroys these big boulders, their volume will expand.

As long as the sphere can bear it and not burst, its internal space may be expanded. Even if it can't reach the multiple of the normal expansion of the boulder after being destroyed, it can be regarded as a success.

Of course, Fengyun naturally hopes that the increased space inside the sphere is closer to the multiple of the normal expansion of the boulder after destruction, so that more things can be placed inside the sphere.

Feng Yun picked up the ball and checked it again, and found that it had no flaws.

He was not surprised by this, but this round ball has devoted a lot of his efforts.

Don't think that the raw materials he used to make it seem to be ordinary, stones that can be found everywhere, but his handling of them is absolutely impossible for ordinary people.

He smelted the stone and removed all the impurities in it, so that the texture of the ball appeared very delicate, even compared with the best jade.

"open!"

Feng Yun reached out the index finger of his right hand, and lightly tapped the ball held in the palm of his hand. The fingertip did not directly touch the ball, nor did it make any movement, but in the next second, it was in the ball. There was a roar.

At the same time, the sphere expanded, as if something was about to burst it. Feng Yun's expression couldn't help but tense, his eyes fixed on it.

It has done its best to make the ball. If it can’t withstand the swelling that appears after the boulder is destroyed, he will be dead in his belly when he uses it to make storage items. Until the level of refining is greatly improved, there will be no play.

In the blink of an eye, the volume of the sphere doubled, which in Fengyun's view was not a good sign.

If it continues to expand, it will eventually fail.

Fortunately, at this moment, a five-color light emerged from the sphere, completely enveloping it at a super fast speed.

The appearance of the colored light, especially after the spheres are combined, immediately changed. The sphere not only stopped expanding, but also shrank. , Until it became the same as its initial size, did not stop.

At this time, the sphere still has changes. The colored light that once encased it has not completely disappeared, but merged with it. If you look closely, you will find that there will be faint colored lights flashing on its surface from time to time. .

Feng Yun raised the ball in front of him and stared at it carefully. Although he didn't need to do this with his eyesight, he couldn't express the excitement in his heart because he had succeeded for the first time.

Although he had tried many times before, he basically failed because the container he made couldn't bear the boulder and then was destroyed. The squeezing caused to it exploded one by one.

However, Feng Yun's psychological quality was still good, and he quickly calmed down and pressed the tip of his index finger that he had just pierced out on the ball.

Immediately afterwards, a magical scene appeared. The place on the ball touched by Fengyun's index finger appeared hollow, and within a short time, a hole appeared in the ball.

Without hesitation, Feng Yun had just eroded a small hole in the ball, and immediately drew his finger out, and then some fine sand-like things flowed out of the small hole.

Feng Yun lifted the stone and let the small hole face downward. The purpose was naturally that the fine sand in the sphere could flow out at a faster speed.

In fact, what flowed out of the sphere was not fine sand, but a broken and enlarged stone that was crushed by his knife.

The amount of sand in the sphere is really very large. With the blink of an eye, the volume of sand has exceeded the normal volume of the sphere many times, but there is still no intention to stop.

This made Feng Yun a little impatient, and he reached out his finger and tapped, and then a gust of wind appeared near the small hole in the ball out of thin air, and then began to spin.

During breathing, a powerful suction appeared at the small hole in the ball, and with his help, the speed of sand coming out of the ball increased sharply. It is conservatively estimated that it was at least ten times faster.

Even so, a long time has passed until no more sand flows out of the sphere.

Fengyun immediately released a sense of perception, and penetrated through the small hole in the sphere to understand its internal situation.

Although he used the knife to destroy the large boulder, including the enlarged boulder afterwards, he learned a little about the space inside the sphere, but it was not so clear after all.

"Haha..."

Not long after Feng Yun put his perception into the small hole on the ball, his face couldn't help showing ecstasy, and finally couldn't help laughing, looking very happy.

It's no wonder he wasn't worried, but the effect achieved by changing the boulder this time was really great.

Although the space inside the sphere still does not reach the expansion multiple that can be achieved when the boulder is destroyed in the outside world, it is not much smaller, it is reduced by about one-third.

This is a lot more than what he expected, and he was already pretty good for half of it. But this is a good thing for him, because it means that the storage props he makes have more internal space.

He hopes that the larger the space in the sphere, the better, so that more things can be placed.

Feng Yun kept playing with the ball and seemed very happy.

Then, he put it away, took out the stone from the Qiankun bag, prepared to concoct it in accordance with the law, and continued to make a ball-like existence.

But it just melted the stone, before he had time to remove the impurities, he seemed to have suddenly thought of something.

He immediately stopped the movement at hand, took the ball out, and then tried to feed something into it, but soon his face became gloomy.

The situation he was worried about happened. He couldn’t put something a little bigger than the small hole into the sphere. In other words, it couldn’t afford it. During the entire Golden Dragon tribe’s migration process, he would store things so that People are more relaxed, which in turn accelerates the responsibility of relocation.

Feng Yun's brows couldn't help but frowned, and then he showed an expression of contemplation, because he knew very well that if this problem was not solved, no amount of storage props he made would be useful.

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