What the hell is it?!

Zhang Qingyuan frowned, at that moment just now, he obviously remembered a very important thing, but that flash of aura seemed to have disappeared.

Stopped.

Bow your head and groan.

Bang la blah

In front of me, the water of the dark river is surging and rushing,

The waves crashed, the waves rose and fell, and a small whirlpool swirled by.

stared at the small whirlpools that swirled and disappeared.

Finally remembered!

Centrifugal force!

In the previous life, there was a way to separate the solution, that is, to use centrifugal force to separate the two liquids that are not compatible with each other and have different densities through centrifugal force.

For example, if milk is separated from milk, it can be separated by centrifugal force.

The essence of decay water is much heavier than normal water, and naturally more dense.

Is it possible to use centrifugal force to separate this essence of decay from the river?

Zhang Qingyuan's eyes flickered.

"Using the One Yuan Decanate Water Sutra to refine the essence of the decanate water is essentially to extract the incomparably small amount of decanate water in the water from the water through the wisps of spiritual element power. ”

"Although the essence of dehydration in the natural environment is soluble in water, it cannot be extracted by pure centrifugal force. ”

"But if in the refining process of using the spirit element, can a rotating force be added to the water flow during the refining to generate a centrifugal force, so that the essence of the decay water will automatically gather towards the bottom?"

After refining a drop of the essence of decay water, Zhang Qingyuan also had an understanding of the nature of this heaven and earth spirit material.

It is true that under natural circumstances, the essence of decay water is dissolved in water, and cultivators cannot see it with the naked eye.

But when refining, since it can be directly extracted and stripped out of the water with the spirit element, can it be regarded as when the exercise method is used to extract and refine, and those water essences become insoluble in water under the action of the spirit element?

Get your feet wet!

Thinking of this layer, Zhang Qingyuan immediately sat back on the ground.

Ignoring the previous mental exhaustion, he began to try his ideas with enthusiasm.

The water resistance is unleashed,

I saw a stream of water suddenly rising from the surging Xuanshui dark river in front of me, extending like a continuous silk creature, turning into a huge water ball suspended in front of Zhang Qingyuan.

As Zhang Qingyuan's mind moved, the huge water balloon suspended immediately slowly rotated, and it turned faster and faster.

meanwhile

The spirit element in Zhang Qingyuan's body bloomed with a faint light, and the refining of the One Yuan Water Sutra began, and the wisps of spirit element invaded into the huge water ball in front of him.

Three days later,

The water in front of him dissipated, and Zhang Qingyuan opened his eyes.

Looking at the drop of decanate water essence in front of him, which exudes a faint blue light and contains a huge amount of water power, his tired face reveals a joy that cannot be concealed.

"It worked!"

By adding centrifugal force to the process of refining the spirit element, the efficiency of refining the essence of decay water is greatly increased.

In just three days, a drop of the essence of decay water was extracted.

This efficiency,

More than three times the direct increase!

This is still because Zhang Qingyuan tried to improve for the first time, and the results of various improvement methods have not yet been skilled, if you can refine it a few more times and improve the program, then the efficiency of refining the essence of decay water will only be faster!

"Good!"

Zhang Qingyuan's tired face showed a look of satisfaction.

Think about it carefully, when others refine a drop of the essence of decay water, they can refine three or even four drops!

This increase in efficiency has made Zhang Qingyuan have a lot more choices in the future, whether it is through the cultivation of the essence of decay water or the sale of excess money!

Of course, in order not to expose one's own secrets, it is best to use the excessive amount of decanate essence refined in the future as one's own cultivation consumption.

Put the essence of the decyl water into the jade bottle.

Zhang Qingyuan did not refine it again.

At this time, he sat cross-legged on the ground, recovering from his tired spirit.

Half an hour later, stand up and soothe your muscles.

"I've been here for almost half a month, I'm ready to get moldy, let's go back first, and then come in a few days to refine the essence of decay water!"

In the cave space of this underground dark river, there have been more than ten days, even if there is no time for cultivation, and the monk can endure the boring cultivation, but Zhang Qingyuan also feels that it is a little boring and boring.

In addition, the time for Zhao Yuanyang to invite the party in a few days is approaching.

Zhang Qingyuan was also preparing to go outside to rest and relax at the same time, and come back to refine the essence of this water in a few days.

Surrounded by spiritual vitality, he put away the jade bottle containing the essence of decay water, and then plunged into the dark river of Xuanshui, preparing to rush back along the road he had come.

However, not long after Zhang Qingyuan fell into the water.

In the reef where the turbulent undercurrent was hidden, a huge shadow suddenly swept out of the water flow cave, rolling up a black torrent, and attacked Zhang Qingyuan with terrifying power!

"What ?!!!"

It wasn't until that terrifying attack came, Zhang Qingyuan could sense it, and his face changed in shock!

There was only time to gather the surrounding spirit elements and turn them into spiritual energy shields to resist.

The attack that pierced through the dark river, as if with monstrous power, had already reached the front of him, and slammed into Zhang Qingyuan's body fiercely!

Rumble!!!

The powerful force exploded, as if a mine had exploded under the water, the entire dark river space was shaking, the torrent was violently impacting in all directions, and the surrounding cave passages were actually cracking and falling at this moment!

meanwhile

The pale glowing aura shield on Zhang Qingyuan's body shattered one after another, and his clothes were torn, revealing the Xuanyuan Talisman armor with a faint halo inside.

Under the bombardment of powerful forces,

The whole person was like a cannonball shooting out of the bottom of the water, and it smashed through the karst cave passage at the edge with a bang, and in the sound of clicking, cracks spread, and layers of rocks peeled off, and it actually hit a huge gap in the rock formations around the dark river DC, and flew into another tributary of the dark river separated by the layered rock!

"What the hell!"

The person was still rapidly retreating in the current, and a long wave channel swept behind him, Zhang Qingyuan's face turned pale, and he forcibly stopped the figure that had broken through the rock formation and retreated dozens of meters, staring at the direction of the hole he had crashed into.

The blow just now was impressively with the power of the Spirit Yuan Ninefold!

If it weren't for the fact that he had rebuilt the One Yuan Decant Water Sutra by himself, the quality of the Lingyuan would have become stronger, and his strength would have been improved to the realm of the late eightfold stage, and the defensive power of the Xuanyuan Talisman would have also increased.

I'm afraid that under the sneak attack just now, I will be seriously injured if I don't die!

Fortunately, the response was timely!

Zhang Qingyuan was afraid.

With a flip of his palm, the Silver Shadow Sword appeared in his hand, looking vigilantly at the hole in the hole behind him where rocks kept falling.

Woooooooo

A sound as if it was about to whimper came from the water, followed by a rush of turbulent currents and muffled thunder from the collision.

A long black shadow suddenly burst out of the hole, like black thunder and lightning rushing through the water, and swooped towards Zhang Qingyuan with a powerful demonic aura!

ps: Wait a minute, there is a third watch, take a shower first.