As he spoke, Lu Xuan had already taken the lead and entered the formation.

And the rabbit and Ming Yueyao quickly followed, not daring to have the slightest dislocation in one step.

Because once it is misplaced, there will be sword qi attacking them immediately.

Tens of thousands of troops were buried in this sword array before, and no one dared to underestimate this sword array.

Especially the rabbit, as a native demon here, he naturally knows how terrifying this sword array is.

It's not that there are no demon kings who have fallen here, it is precisely because there are more dead demon kings that they will be found out a little way, where they can go, where they can't go, and slowly they are also known by the demon kings in Shennongjia.

But it was surprised to find that Lu Xuan's path was actually right, and some of the roads that many demon kings in Shennongjia had spent a huge price to find out were the same as the path Lu Xuan took.

Lu Xuan had actually seen the many mysteries of this sword formation just by looking at it for a while.

It's incredible and terrifying to think about.

Who is this human being sacred, how can it be so terrifying!

Ming Yueyao's feelings are also very deep, although she has not been in contact with this formation, but in the secret service, she has been studying this formation, and even invited the only few formation experts so far.

I also wanted to find the flaws in this formation from the many ancient documents I had collected.

After all, it was because of the existence of this formation that the demon king in Shennongjia had room to dodge.

But there has been no progress, and Lu Xuan has easily done what the Secret Service has gathered all the manpower in the bureau that cannot do.

It's just horrible!

Lu Xuan's attainments in the formation are really terrifying!

The deeper they went into the sword formation, both Ming Yueyao and the rabbit were terrified, only Lu Xuan passed through the sword formation without changing his face, even if the sword qi was swimming around, he was not moved in the slightest.

The flow and changing way of the entire sword formation were imprinted in Lu Xuan's mind.

In fact, this couldn't be hidden from him, this sword formation was just a defensive formation, and it was essentially the same as the maze array he had arranged outside Yunxuan Mountain Villa.

Because it is not a killing array, in fact, it is a life of nine deaths, and there is a way to live.

Of course, if you go in the wrong position, that is, if there is no knowledgeable person to lead the way, I am afraid that the entire sword formation will be triggered immediately, turning the original defensive formation into a killing formation.

And it just so happened that Lu Xuan was this knowledgeable person!

Naturally, it was very easy to lead a person and a rabbit into the sword array.

And in the depths of the sword array, as the rabbit said, it was a cave of sword immortals.

In addition to the protection of the sword array on the periphery, there is also a maze array at the entrance of the cave, guarding the entire cave.

With the help of Lu Xuan's Delusional Eye, Lu Xuan quickly studied this ecstasy array and went straight into the cave.

"Sure enough, it's a cave where sword immortals practice!"

Lu Xuan took a look, the cave was very large, and it was probably divided into several areas, part of which was the Scripture Pavilion, where there were many exercises collected by sword immortals, including cultivation techniques, and cultivation methods of swordsmanship, Ming Yueyao's eyes lit up.

What the Secret Service lacks most now is this kind of practice inheritance.

Because the Secret Service itself does not have a complete lineage, many exercises and cultivation methods are collected through various channels, and the most lacking is a systematic practice method.

Especially the Sword Immortal, a strong branch among martial arts practitioners.

Lu Xuan just glanced at it a few times, and after memorizing all these exercises, he didn't care about it, there were too many exercises in his mind, and there were not a few shocking ones, so these exercises were not attractive to him.

And in addition, there is also an alchemy room, Lu Xuan's eyes suddenly lit up when he saw the alchemy furnace in the alchemy room, which was also what he lacked the most at present, because if he wanted to refine some pills, he would also be subject to the grade of the alchemy furnace.

The grade of this alchemy furnace is very high, and it is also very important for Lu Xuan at present.

And in the alchemy room, there are also some pills placed in porcelain bottles.

However, it is clear that it has long since lost its medicinal power over time.

There is only a little bit left of the dried up!

However, Lu Xuan found that in the alchemy furnace, there was actually a furnace that had refined half of the elixir, to be precise, it was a furnace and a semi-finished product.

There were about ten pills, but only half of them were refined, and the owner of this cave had already left and did not refine them.

"Although it is only a semi-finished product, and the efficacy is less than one-tenth of what it should be, but at this stage, it is also a good thing!"

Lu Xuan immediately put away the ten pills, and then gave one to Ming Yueyao and Rabbit respectively.

The two of them hurriedly took the pill, and then swallowed it, they knew that Lu Xuan had no reason to harm them, and the abundant medicinal power contained in the pill could be smelled even if they smelled it.

One person and one rabbit hurriedly found a place to refine the medicinal power of the pill.

And Lu Xuan also picked one out of it and swallowed it, and the medicinal power of this half-finished elixir suddenly turned into a rolling torrent and scattered into Lu Xuan's limbs.

However, it had been thoroughly digested by Lu Xuan in a moment, and it had also successfully improved Lu Xuan's skills.

And of course, Ming Yueyao and the rabbit could not have Lu Xuan's speed, and they were still going all out to refine the medicinal power of this pill.

Lu Xuan put away the elixir, this elixir was like a charcoal in the snow for Ming Yueyao and the rabbit, but for him, it could only be regarded as the icing on the cake.

Lu Xuan continued to check the cave mansion, except for the extremely simple living area, Lu Xuan quickly found the core of controlling the entire sword formation.

On a stone platform in the depths of the cave, a sword jade floated in the air, which was the entire sword array outside the sword jade controller.

To be precise, this sword array is actually carved on the sword jade, as long as there is a steady supply of spiritual energy, this sword jade can continue to maintain the sword array.

As long as the sword jade is taken away, the entire sword array will also be directly taken away by Lu Xuan.

"Nice catch!"

Lu Xuan nodded, in this Sword Immortal Cave Mansion, he found the core sword jade that controlled the sword array, and also harvested an alchemy furnace and a half-finished pill, as well as some kendo cultivation methods.

The harvest is good, and Lu Xuan's strength can also be improved a lot!

Enhance Lu Xuan's heritage!

Lu Xuan took advantage of the situation to pocket the sword jade, and just when Lu Xuan took the sword jade away, the sword array above Shennongjia suddenly disappeared without a trace.

After another day, Rabbit and Ming Yueyao retreated from their cultivation state one after another.

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