The Mortal's Path to Immortality

Cao Rui flew five thousand miles before the Lingyin Pei became ineffective.

That is to say, after connecting to the Qinglingfang City formation, the Lingyin Pei's communication ability was almost enhanced by a thousand times.

At the same time, Cao Rui sensed the consumption of the Qinglingfang City's third-level defense formation.

It only added the communication ability and borrowed its radiation ability to transmit information. The consumption of the Qinglingfang City's third-level formation was very small and could be completely tolerated.

It would be great if the signal tower could cover this radiation range.

Wu Qingxuan was working hard on research and development, and Cao Rui silently expected Wu Qingxuan to bring good news in his heart.

"Five thousand miles can almost cover half a country."

"This range of communication capability is already very worthwhile for casual cultivators to buy."

"There was no communication tool for casual cultivators before that could achieve the level of the Spiritual Medicine Pendant."

"The Spiritual Sound Pendant can be manufactured and sold in large quantities." Cao Rui said in his heart.

"The price of the first batch cannot be set too high. In order to make casual cultivators able to buy it, it is best to set it at ten spiritual yuan... no, five spiritual yuan."

Even leeks have to be cut slowly to grow well.

When casual cultivators are used to it, Cao Rui will launch the second generation of the Spiritual Sound Pendant and increase the price appropriately.

Among the 200,000 casual cultivators in the southwest of Yunzhou, about 100,000 are poor people in the early stage of Qi Refining.

The wallets of 50,000 in the middle stage of Qi Refining are not very thick.

Only a few tens of thousands of people are Cao Rui's ultimate goal of making money.

Of course, those small forces and small cultivation families' monks are also a customer force that cannot be ignored.

"Now there are more than 10,000 monks settled in Qingling Xiuxianfang City, plus the mobile monks, 30,000 is not a problem."

"Each of them has a Lingyin pendant, and using the communication function in front of people is the best advertising."

"30,000 Lingyin pendants cost 90,000 spiritual spirits. If you let the disciples of the Refining Academy help to refine them, you have to give them some hard work fees, which is 100,000 spiritual spirits..."

Recently, Cao Rui has been buying Bailu Dan spiritual medicine materials and a third-level alchemy furnace. His storage bag is bleeding a lot, and he certainly can't take out so many spiritual spirits at once.

But Cao Rui has no way.

Let's refine a batch of Lingyin pendants to make a name for ourselves, and then start the pre-sale mechanism of Wanhen...

Using the monks' money to refine Lingyin pendants and then make money from the monks, this is really a good idea!

Cao Rui returned to Qingling Xiuxian Market and asked his disciples to purchase 100 Lingyin pendant materials, which cost a total of 300 Lingyin.

Cao Rui still needs to grind these raw materials into powder by himself.

Then distribute them according to the proportion.

But this is very simple for Cao Rui.

In more than an hour, Cao Rui completed the initial raw material distribution steps.

"Let's try batch refining this time."

The Lingyin pendant is very small in size, and it is fully operable to refine in batches in the refining furnace.

In the refining room, Cao Rui took out the first-level refining furnace and used his magic power to make fire and heat it!

Cao Rui placed ten spiritual sound pendants into the refining furnace at once.

The difficulty of refining the spiritual sound pendant is actually above average, not the most difficult kind.

The difficulty is to engrave two 0-level magic array inscriptions on the small pendant. Cao Rui feels that no one can engrave it except himself, and Wu Qingxuan can't do it.

But this is Cao Rui's confidence. No one can make such a low-cost and powerful transmitter except him.

Cao Rui refined ten spiritual sound pendants at the same time.

The refining speed had to be slowed down a bit.

Half an hour later, hum, the furnace fire went out.

Cao Rui waved his hand, and ten spiritual sound pendants emitting faint blue light fell into Cao Rui's hand.

Cao Rui finished the inspection and basically there was no problem.

"If batch refining is feasible, then let the Refining Institute help. Within a few days, tens of thousands of Lingyin pendants should be refined."

"And I only need to be responsible for engraving the magic array."

In this way, Cao Rui refined for more than four hours and finished refining all 100 Lingyin pendants.

The next step is the most difficult inscription engraving.

"The engraving speed must be increased as soon as possible."

"Otherwise, engraving the magic array on tens of thousands of Lingyin pendants will waste a lot of time." Cao Rui thought.

There is no other way to increase the speed of engraving the magic array, but practice makes perfect.

At the beginning, Cao Rui needed about two quarters of an hour (30 minutes) to engrave a Lingyin pendant.

As Cao Rui deliberately increased the speed, the engraving speed gradually increased.

Engraving requires the simultaneous use of spiritual consciousness and magic power.

In the end, due to the strength of Cao Rui's spiritual consciousness, Cao Rui's engraving speed increased to one Lingyin pendant every ten minutes, and it could not be improved any further.

"This speed is not too bad."

"In the future, when the cultivation level is improved, the engraving speed will naturally increase again."

It was the afternoon of the second day, and Cao Rui had already completed the production of 100 Lingyin pendants.

Then he sold them.

A small auction was about to be held in Qiaofang City, and Cao Rui was going to grandly launch this communication tool at the auction.

So, a few days later, before the auction began.

Sun Ming found Cao Rui.

"Caofang, I finally gathered 200 spiritual medicine materials for Bailudan." Sun Ming wiped the sweat from his forehead, with some apology in his tone.

Cao Rui didn't blame Sun Ming.

The Bailu Dan itself was not enough for the major sects in the foundation-building period.

The Bailu Dan spiritual medicine that was released on the market would probably be bought and snatched away as soon as possible.

The fact that Danlingbao Pavilion was able to collect 200 copies for Cao Rui so quickly showed that Danlingbao Pavilion itself had contributed some effort.

One copy of Bailu Dan spiritual medicine material is worth 120 spiritual energy.

Cao Rui received the Bailu Dan material, and after a slight inspection, he threw it into the storage bag.

In this way, Cao Rui had accumulated 700 spiritual energy of Bailu Dan on him. It seemed that the time to refine Bailu Dan had come.

Next, he had to busy himself with the manufacturing time of the Lingyin Pei. Why was he so busy after becoming an immortal cultivator? Cao Rui asked in his heart.

Cao Rui pointed out 24,000 spiritual energy and gave it to Sun Ming, and suddenly there were only seven spiritual energy blocks left on him.

This thing called Lingyin is really not enough!

"Sun Ming, there is one more thing for you to do." Cao Rui said.

Sun Ming bowed: "Speak, if I can do it, Sun Ming will do it with all my heart."

Now the whole Qingling Market knows the relationship between Sun Ming and Cao Rui, and Sun Ming has gained a lot of benefits from it.

Sun Ming himself is naturally maintaining the friendship with Cao Rui that has been accumulated since the Qi Refining Period.

"You will be responsible for hosting the auction in a few days, right?" Cao Rui asked.

Sun Ming nodded and admitted: "It's me who will host it!"

"Well, take a look at this thing." Cao Rui took out the Lingyin Pei.

With Cao Rui's words and his personal experience of the Lingyin Pei, Sun Ming's eyes became brighter and brighter.

Clear communication can be achieved within 5,000 miles around Qinglingfang City. Is this Lingyin Pei really only sold for five spirits? !

Sun Ming was a little bit unconvinced.

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