Chapter 145: Finished Lingyin Jade Pendant

In order to develop the Lingyin Jade Pendant as soon as possible.

Cao Rui rushed into the refining room and began to engrave the formation in seclusion.

In this way, more than 20 days later, with the engraving of the 0th-level [Sound Transmission] on the metal plate, the experience beads engraved in Cao Rui's mind were finally filled with experience values.

The black experience beads have turned into purple beads flashing purple light.

Cao Rui clicked the experience beads with his mind: "Break it for me!!"

The purple experience value in the experience beads turned into a torrent and poured into Cao Rui's mind and limbs.

After a while, Cao Rui opened his eyes and absorbed the memories in his mind. Cao Rui has mastered all the basic 9981 0th-level formation basic runes.

The level of the 0th-level formation engraving has also broken through to the perfect realm.

Looking at the entire cultivation world, there are only a handful of refiners who can master all 81 0th-level formations in the world.

In many places, some 0th-level formations have even been lost.

But Cao Rui relied on the experience beads to restore all eighty-one basic magic array runes.

"Then I will refine the Lingyin Jade Pendant myself."

"Then try to see if [Sound Transmission] and [Shadow Transmission] can be engraved on the small Lingyin Jade Pendant at the same time."

Cao Rui, who had just broken through, was full of energy and took out the refining furnace to start refining.

Cao Rui and Wu Qingxuan had discussed and formulated the materials of the Lingyin Jade Pendant many times before, and finally came up with a suitable plan.

This was the first time Cao Rui officially refined it.

Cao Rui took out some jade powder, Lingwen Xuanjing powder and other auxiliary materials according to the plan.

After putting them into the refining furnace, Cao Rui condensed his mana and began to slowly liquefy and fuse them.

Cao Rui's basic refining technique has been perfected, and the fusion process is very smooth.

Then he used mana to construct the shape.

With a humming sound.

Cao Rui extinguished the flame in the refining furnace and condensed the water spirit power to pour it on the already formed jade pendant.

Zizizizi.

White mist emerged.

Cao Rui used the Art of Controlling Objects to take out a piece of Lingyin Jade Pendant that was gleaming with a faint spiritual light from the mist and put it in front of him.

Because the materials used were very few, the Lingyin Jade Pendant was only a thin layer, two fingers thick, and light blue.

Being able to successfully refine it was enough to show that Cao Rui's refining level had reached the top.

"The quality is good."

"The cost of the materials is controlled within three spiritual stones."

"The next step is to engrave the magic array."

It is not easy to engrave two magic arrays on such a small jade pendant and connect them in series.

Cao Rui took a deep breath and began to engrave on the jade pendant with magic power.

First, the [Sound Transmission] on the front.

With Cao Rui's perfect level 0 magic array engraving, it took only a cup of tea to successfully engrave the [Sound Transmission] on the front.

Immediately afterwards, Cao Rui did the [Shadow Transmission] on the side.

Because this side had to be connected in series with the [Sound Transmission] on the front while engraving, the difficulty increased exponentially.

Even if Wu Qingxuan came, he might not be sure that he could succeed in refining it.

Cao Rui calmed down a little and started to engrave directly.

As Cao Rui concentrated on engraving, the rune pattern of [Shadow Transmission] began to appear little by little on the back.

Cao Rui needed to be especially careful in the part connected with [Sound Transmission].

In this way, after half an hour, accompanied by a light sound, the whole body of the spiritual sound jade pendant glowed with spiritual light.

"It's done." Cao Rui also breathed a sigh of relief.

Wu Qingxuan's entry into the island must have applauded Cao Rui.

Engraving two magic arrays on such a small jade pendant, in terms of 0-level magic, perhaps no one in the entire southwest of Yunzhou, or even in the Yunzhou cultivation world, can compare with Cao Rui.

If it succeeded the first time, it means that it will succeed the next time, and even mass production.

Cao Rui held the spiritual sound jade pendant, felt its communication signal, and continued to fine-tune the magic array.

"Well, this can add a storage function to store the signal characteristics of the Taoist fellow's Lingyin jade pendant."

"Add a 'dial' button, a 'hang up' and 'connect' button, and add a positioning transmission function."

After Cao Rui's simple transformation, the first sound transmission jade pendant in the world of cultivation was successfully produced.

It took no more than an hour to refine the instrument and engrave the magic array.

Cao Rui then refined the second Lingyin jade pendant.

Then he called Ye Yunyin to test the effect of the Lingyin jade pendant.

Holding two Lingyin jade pendants a thousand meters apart, Cao Rui began to dial the audio and video function.

The jade pendant on Ye Yunyin's chest, a thousand meters away, suddenly vibrated slightly.

Ye Yunyin used his magic power to click the connect button.

The image of Cao Rui suddenly appeared in front of him.

The Lingyin jade pendant reproduced the scene within one meter around Cao Rui, and appeared in front of Ye Yunyin in a three-dimensional image.

Ye Yunyin was slightly surprised, and then he saw Cao Rui in front of him and said, "Elder Ye, how do you feel?"

"Master Cao, I admire this Lingyin Jade Pendant. Except for the shorter communication distance, the function can be said to be very good." Ye Yunyin commented.

"Well, now I will try the longest distance of communication with the Lingyin Jade Pendant alone. Elder Ye, please stand still and don't move."

Cao Rui flew back.

When he reached a range of about 3,000 miles, the connection of the Lingyin Jade Pendant was suddenly disconnected, obviously the communication distance was not enough.

However, these prove that Cao Rui's perfect level 0 spell engraving has pushed the effectiveness of this 0-level magic array to the maximum of 3,000 meters.

The communication distance of the sound transmission engraved by ordinary cultivators is generally only within a kilometer without a communication medium.

First-level sound transmission can reach a distance of hundreds of thousands of meters, but the material of the jade pendant refined in this way must also be improved, and the cost is too high.

"Next, let's first try to use the third-level magic circle in Qinglingfang City as an intermediary to see how far the Lingyin Jade Pendant can transmit the message."

"Every defensive formation is a natural signal radiator."

"The sect's fourth-level formation can even reach the entire southwest of Yunzhou."

"Let's take a look at the effectiveness of this Qinglingfang City's third-level formation."

Cao Rui returned to the training tower and took out the Qinglingfang City's third-level defense array and small array plates for fine-tuning.

There is a first-level magic circle [far transmission] set up on the small array plate for the purpose of arranging the microphone.

In the past few months, Cao Rui had specialized in the first-level magic formation [Far Transmission] and had already perfected it.

With the help of Wu Qingxuan, Cao Rui has completely understood the connection between the sect's fourth-level formation and the small communication array.

Cao Rui connected it to the communication frequency of Lingyin Jade Pendant in the small array.

Cao Rui flew to the locations where large formation disks were placed in various places in Fang City, and also made fine adjustments to connect the signal frequency of the Spiritual Sound Jade Pendant to the third-order formation.

It sounds simple in words, but in practice, without a perfect level understanding of [Messaging], and without a thorough understanding of the basic understanding of level 0 magic circles, it is impossible to reach Cao Rui's level.

"Elder Ye, please cooperate with me again."

Cao Rui took out the spiritual sound jade pendant and dialed the spiritual sound jade pendant in Ye Yunyin's hand.

There was no lag in Ye Yunyin's connection process. Obviously, even if the signal was transferred through the magic circle, there would be no lag in the speed shown.

Cao Rui summoned Fei Yu and began to fly away outside Fang City.

In the video, as Cao Rui gets further and further away from Fangshi, Ye Yunyin's expression becomes more and more surprised.

"Just by connecting to the magic circle, can the communication distance become so far?"