Returning to the crack space again, Mao Rui's face changed.

When he first came here, because of the time constraints, Mao Rui only saw that it was a good hiding place, and the others did not think about it.

Now that he was back here, he had plenty of time to look at the space, and he found that this choice was not enough.

In the space, the high temperature emitted by the magma and the extremely thin air let Mao Rui know that this was not a place where he, a cultivator who had only cultivated to perfection, could stay for a long time.

The high temperature is easy to solve, the Burning Sky Bone Decision is a technique that uses flames to forge bones, as long as you enter the state of Bone Transformation, not only is you not afraid of high temperatures, but you can also speed up the cultivation speed of Burning Heaven and Turning Bones.

What is difficult is the air, even if there is enough space here, but this scarce air content is estimated to be less than two days, and Mao Rui, a monk who still needs air to survive, will have to suffocate to death.

What should I do? After discovering this problem, Mao Rui's brows furrowed.

It was impossible to return to the valley by the same route, and when he came down, Mao Rui clearly knew that the people from the Xiufan Investigation Team had arrived and were starting to attack the formation. If you go back now, you will only fall into the net.

From here, head in the other direction back to the surface?

Mao Rui immediately shook his head, denying the idea.

In the underground, you can see either dirt or stones, and you can't tell the direction at all, unlike on the ground, where you can still use your mobile phone to navigate if you can't find your way.

And... There are not many escaping talismans in Mao Rui's hand.

The Escape Technique is a low-level and high-level technique, and Mao Rui can't. If you don't know how to make a spell, it is impossible to refine it into a talisman no matter what, no matter how high the level of talisman is.

Left is not right, right is not right, Mao Rui's mood instantly irritable. With a stroke of his hand, a dark spatial crack appeared, and Mao Rui's divine sense poured into it, and he began to check the items scavenged from the treasure troves of the four major forces to see if there was anything that could be used in this situation.

Speaking of which, Mao Rui put all the looted things in a space bag indiscriminately, and he didn't know what they were.

"Hey, what is this?" Mao Rui sighed lightly and took out a set of formations burned on the array plate.

This set of formations consists of a main formation plate, and five secondary formation disks of different colors, one of which has a small crack on top of it.

Mao Rui recognized this set of formations, it was at the last moment of the auction that Xiao Jianzong did not know what the price was, and exchanged the Five Elements Guardian Array from the poisonous senior.

The crack on the array disk was formed by Mao Rui manipulating the golden-red bones and filling the formation with a gap from the inside of the formation.

After Xiao Jianzong was destroyed, this set of formations naturally became the trophies of the Mao family, and was temporarily stored here by Mao Zhentian in Mao Rui, saying that it would be repaired after going back, and it could become the Mao family's great array of protectors.

The reason why this set of formations was taken out at this time was because Mao Rui remembered that this set of formations had an attached small function, a small function that could automatically produce fresh air after the formation was formed.

This small function, compared to the defensive ability of this set of formations, can be said to be insignificant, and many people directly ignore this function.

But this function, which is ignored by others, is no different from a lifesaver for Mao Rui.

"I hope this crack doesn't affect the function of producing air. ”

Running his fingers over the crack, Mao Rui said with some concern.

Generally speaking, the person who refines the array plate and the array flag will leave the arrangement of the array plate in it, so that it is convenient for themselves or the person who obtains it to place it.

This set of Five Elements Guardian Array was no exception, Mao Rui's divine sense probed into the main formation, and immediately found the placement conditions, as well as the position arrangement between the various arrays.

After flying in the rift space for a while, I found a flat area that was not flooded by magma and suitable for the placement of the array. According to the requirements, place the array disc piece by piece in the corresponding position.

After the array plate is placed, one hand holds the main array plate flat, and the other hand pinchs the tricks with one hand, and one by one the tricks are punched into the main array plate.

With the entry of the magic technique, the light on the main array disk shone, and there was a connection with the five secondary array disks, and when the connection reached a certain level, a layer of five-color light mask appeared, in the shape of an inverted bowl, covering the entire flat ground in it.

The formation was formed, Mao Rui sensed it carefully, his face first showed joy, and then a look of helplessness.

The good news is that after the formation of the formation, the small function of generating air is still there, and a small amount of air is being continuously produced at this moment.

Helplessly, the air that had just been created leaked out of the gap that Mao Rui had made himself.

"Alas~"

Sighing, the helpless Mao Rui came to the gap that he had made out by himself, and after looking at it for a while, Mao Rui once again reluctantly found that with his current formation attainments, he had the ability to complete the loopholes in this formation, but it would take half a month.

Half a month... Half a month later, Mao Rui had already suffocated to death in this underground...

Since it is not possible to complete the formation, what about using other formations to plug this gap?

As soon as this idea appeared in Mao Rui's mind, he couldn't get rid of it.

"Try it. With a secret sigh in his heart, he took out a lot of array materials, and Mao Rui began to get busy.

It works, it doesn't.

After quickly arranging a layer of formations to verify the idea in his heart, Mao Rui came to this conclusion.

Using a protective formation that also has a light mask to seal this gap can indeed prevent air from flowing through it. But because the temperature of this space was too high, the formation that was replenished by that layer, after a while, could not withstand the invasion of the high temperature and shattered on its own.

In order to close this gap, it is necessary to use a defensive formation that can withstand the heat of the lava.

Trying to arrange the formations that he could arrange in a short period of time one by one, Mao Rui focused on the arrangement of the formations.

How focused is it?

Even if the induction jade slip in the dummy was shattered by the people of the Xiufan investigation team, causing another piece of induction jade slip connected to Mao Rui's body to be shattered at the same time, it was just for Mao Rui to take it out and take a look, and say, 'Is it broken?'.

Because when Mao Rui came down, he came down from the place where the earth thorn talisman was buried, which was also an earth attribute talisman, and the launch of the ground thorn spell could completely cover up the fluctuations generated when the earth thorn was used.

Therefore, Mao Rui was not worried that anyone would find out that he had run underground. Even if someone had the whim to go underground to check it out, it would not be possible to get to the depth where he is now.

In fact, the departure of Xiufan's investigation team has proved that Mao Rui's lack of worry is correct.

Finally, under Mao Rui's concentration array, a water-attribute defensive formation successfully plugged the loopholes of the Five Elements Guardian Array, and was not destroyed by the high temperature of the magma.