I can gather experience beads

Cao Rui flew for five thousand miles before the Lingyin Jade Pendant became ineffective.

In other words, after being connected to the formation of Qingling Market, the communication ability of the Lingyin Jade Pendant was enhanced by almost a thousand times.

At the same time, Cao Rui also sensed the consumption of the third-level defensive formation in Qinglingfang City.

It just adds the communication capability and borrows its radiation ability to transmit information. The consumption of the third-level formation in Qinglingfang City is minimal and can be fully tolerated.

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

Wu Qingxuan was working hard on the research and development, and Cao Rui was silently hoping that Wu Qingxuan would bring good news.

"A range of five thousand miles can almost cover half of the country."

"The communication capability of this range is already very worthy of purchase by casual cultivators."

"Before, there was no communication tool for independent cultivators that could achieve the level of the Lingyin Jade Pendant."

"The Lingyin Jade Pendant can now 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 it affordable for casual cultivators, it is best to set the price at ten spirit stones... no, five spirit stones will be enough."

Even leeks need to be cut slowly so that they can grow well.

Once the casual cultivators are accustomed to it, it would be very appropriate for Cao Rui to launch the second-generation Lingyin Jade Pendant and raise the price appropriately.

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

The wallet of a person in the middle stage of Qi Refining Stage with 50,000 yuan is not very thick.

Only a few tens of thousands of people were Cao Rui's ultimate main money-making target.

Of course, the monks from small forces and small immortal cultivation families are also a customer resource that cannot be ignored.

"There are already more than 10,000 monks settled in Qingling Xiuxian Market. If you add the floating monks, 30,000 is not a problem."

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

"Thirty thousand Lingyin jade pendants cost ninety thousand Lingshi. If we want the disciples of the Weapon Refining Academy to help us refine them, we have to give them some hard work fees, which is one hundred thousand Lingshi..."

Cao Rui has recently been buying ingredients for the Bailu Pill and a third-tier alchemy furnace, draining out his money from his storage bag. He certainly can't take out so many spirit stones at once.

But Cao Rui had a solution.

For the time being, I will refine a batch of Lingyin jade pendants to make a name for myself before starting the evil pre-sale mechanism...

It's a good idea to use the monks' money to refine the Lingyin Jade Pendant and then make money from them!

Cao Rui returned to Qingling Xiuxian Market and asked his disciples to purchase the materials for one hundred Lingyin Jade Pendants, spending a total of three hundred spirit stones.

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

Then distribute it proportionally.

But this is also very simple for Cao Rui.

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

"Let's try batch refining this time."

The Lingyin Jade Pendant is very small in size and can be fully refined in batches in the refining furnace.

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

Cao Rui placed ten sets of materials for the Lingyin Jade Pendant into the refining furnace at once.

The difficulty of refining the Lingyin Jade Pendant is actually above average, not the most difficult one.

It is difficult to engrave two 0-level magic array inscriptions on the small jade pendant. Cao Rui feels that except himself, no one else can engrave it successfully, not even Wu Qingxuan.

But this is also Cao Rui's confidence. Except for him, no one can produce a communicator with such low cost and such powerful functions.

Cao Rui refined ten Lingyin jade pendants at the same time.

The refining speed had to be slowed down a bit.

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

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

After Cao Rui's examination, he was basically fine.

"Mass refining is feasible, so let the Refining Institute help. Within a few days, we should be able to refine tens of thousands of Lingyin Jade Pendants."

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

In this way, Cao Rui refined it for more than four hours and completed refining all the one hundred Lingyin jade pendants.

Next comes the most difficult part, engraving the inscription.

"We must increase the speed of engraving inscriptions as soon as possible."

“Otherwise, it would be a waste of a lot of time to engrave magic arrays on tens of thousands of Lingyin jade pendants,” Cao Rui thought to himself.

There is no other way to increase the speed of engraving magic circles except practice makes perfect.

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

As Cao Rui intentionally increased the speed, the engraving speed also gradually increased.

Engraving requires the simultaneous exertion of spiritual consciousness and magical power.

In the end, limited by the strength of Cao Rui's spiritual consciousness, Cao Rui's engraving speed was improved to one Lingyin jade pendant every ten minutes, and it could no longer be improved.

"This speed is not too bad."

"As my cultivation level improves in the future, the speed of engraving will naturally increase again."

By noon of the next day, Cao Rui had successfully completed the production of one hundred Lingyin jade pendants.

Then comes the selling.

It so happened that a small auction was about to be held in the market, and Cao Rui was planning to grandly launch this communication tool at the auction.

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

Sun Ming found Cao Rui.

"Master Cao, we have finally gathered the medicinal materials for two hundred Bailu Dan." Sun Ming wiped the non-existent sweat from his forehead, his tone apologetic.

Cao Rui didn't blame Sun Ming.

The Bailu Pill itself is not enough for the foundation-building stage of the major sects.

Any Bailudan elixir that comes onto the market will probably be bought up and snatched up 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.

A batch of Bailudan elixir is worth one hundred and twenty spirit stones.

Cao Rui took the materials for Bailu Dan, examined them briefly, and then threw them into the storage bag.

In this way, Cao Rui had accumulated 700 portions of Bailudan elixir on his body. It seemed that the time had come to refine Bailudan.

Next, I have to work on the Lingyin Jade Pendant. Why am I so busy after becoming an immortal cultivator? Cao Rui asked in his heart.

Cao Rui took out 24,000 spirit stones and gave them to Sun Ming. Suddenly, he only had seven or eight spirit stones left.

Spirit stones are really not enough!

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

Sun Ming cupped his hands and said, "Master, please tell me. If it can be done, Sun Ming will definitely do it with all his heart."

Now the entire Qinglingfang City knows about the relationship between Sun Ming and Cao Rui, and Sun Ming has gained a lot of benefits from it.

Sun Ming himself was naturally also maintaining the friendship with Cao Rui that had been accumulated since the Qi Refining Stage.

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

Sun Ming nodded and admitted, "I was the one who hosted it!"

"Well, take a look at this." Cao Rui took out the Lingyin jade pendant.

Following Cao Rui's words and his own experience with the Lingyin Jade Pendant, Sun Ming's eyes became brighter and brighter.

Clear communication can be achieved within 5,000 miles around Qingling Market. Is this Lingyin Jade Pendant really only sold for five Lingshi? !

Sun Ming was a little bit hesitant to believe it.