Qi Hufei was startled.

Yes, I guarded myself against it, but I forgot to defend against the underground.

If an enemy comes from underground, this formation is simply useless.

Although it is said that the world's retreat is the rarest, but it is not that no one will, and the earth travel grandson of the year is famous for the earth travel technique.

Some people say that it is difficult to learn, but Qi Hufei thinks that it may not be, mainly because it is indecent, drilled in and out, and does not conform to the identity of immortals.

Coming out of the water, bringing a splash, there is also an elegant posture. But coming out of the ground and bringing out a body of mud is really not very beautiful. If you accidentally get into the septic tank......

In the past, except for the land lord, there were generally few people who learned this spell.

However, the fact that people in the righteous path use little because of their identity does not mean that people in the evil path will not use it.

Qi Hufei remembered the mysterious black fog he had encountered in the two battles.

When I was in Qilin Mountain, the time was too short to judge the path of the black fog, but I felt that it appeared very suddenly, and now that I think about it, it probably came out of the ground.

And the black fog encountered on the night of the last battle with Mofu was indeed buried underground.

It's not sure if the two are related, maybe it's the same.

If someone really uses the Earth Escape Technique to go up the mountain, it is really not easy to intercept it.

The formation on the ground can form obstacles with the help of natural objects such as mountains, rocks, trees, clouds, light and fog barriers, so as to effectively block the enemy, slow down the enemy's advance speed, reduce the enemy's attack efficiency, and at the same time use the surrounding mountains and rivers to stimulate the high-grade materials in the formation to form a murderous sword qi to attack the enemy.

However, the earth escapees sneak deep underground, the terrain is single, and there is a lack of yin and yang changes, unless the tunnel and dark ditch are excavated, there is not enough space to arrange the formation underground, let alone run such a formation.

It is difficult for the changing operation of the ground formation to affect the depths of the underground, and if you want to block the enemy, you must penetrate the murderous aura in the formation into the ground, which requires extremely high aggressiveness in the materials and the design of the formation.

Qi Hufei didn't have so many high-grade materials, although it cost more than 500,000 yuan, but Pansi Ridge was too big, and to cover the entire mountain, it was necessary to set up multiple array eyes, and each array eye needed high-grade materials.

The highest-grade formation material in his hand now was that purple bamboo whip.

He placed the purple bamboo whip in the Yellow Flower Temple, as the eye of the whole mountain array.

After the purple bamboo whip grows with the help of the surrounding formation aura, the root system spreads underground, and then turns into bamboo shoots that break through the soil and grow into a purple bamboo forest, which can just cover the entire Huanghuaguan.

After Qi Feifei got Xiaoqing's reminder, he fine-tuned the formation of Huanghuaguan, so that the Zizhu root system played a more important role in underground protection, so that if someone escaped from the soil, at least they could not sneak directly into Huanghuaguan, and they would not break out of the courtyard or a room all at once.

However, the magic of the purple bamboo whip cares about changes, and it is most suitable for arranging the Heluo Great Array, a formation of yin and yang reversal, and at the same time, using the aura of mountains and rivers to stimulate the purple bamboo sword qi to attack the enemy.

The underground root system is the source of aura rather than the attack end, although it can detect the enemy and has a certain effect of trapping the enemy, it is difficult to form an effective and powerful block against the enemy. At the same time, once the enemy destroys the purple bamboo root system, then the eye of the whole mountain magic circle will be destroyed.

What's more, he can only protect Huanghuaguan, and the entire Pansi Ridge is too big, and he can't protect half of the mountain with ten purple bamboo whips.

Qi Hufei frowned, and while supervising and walking between the formations on the mountain, he thought about countermeasures.

Su Suisui took Xiaoqing's hand and followed him, knowing that he was thinking about the problem, and did not disturb him, he kept quiet all the time, and even walked quietly.

Qi Hufei turned his head suddenly, looking at Su Suisui and Xiaoqing.

He knew that foxes and spiders could burrow, and in a sense, this was also a kind of earth escape technique.

Goblins like them are naturally sensitive to certain spells, and if they learn the Earth Escape Technique, they must be easy to learn.

Of course, Xiaoqing is not a goblin in the strict sense of the word now.

She ate the Transformation Pill, and she was already a real person, at least Qi Feifei didn't feel any demonic energy from her.

He also used the demon mirror to shine on Xiaoqing, but he still couldn't make anything, only saw a ball of blue light. It's just that there are more glamorous and graceful postures in the light and shadow.

Qi Feifei had already used the mirror on his chest as a demon mirror.

Ever since he communicated with the divine thoughts left by Master in the Heavenly Tribulation Simulator, he believed that the guy who stole the demon mirror was definitely Master's inorganic son.

Find bugs in the examination system of the Immortal Academy, implant small programs, and modify the engineering drawings of the Academy of Celestial Sciences......

This kind of thing has been done, and it seems that there is nothing surprising to steal a demon mirror.

Master has such great ability, why didn't he say it before?

It is not obvious that the mountain is not leaky, and it has lived for hundreds of years in the Huanghuaguan Nest, and the only two achievements are to raise a nest of spiders in the Pansi Cave, and to accept Qi Feifei, an apprentice.

As if so, his centuries-old mission was accomplished.

Su Suisui saw that Qi Hufei had been staring at them, and said with a smile: "Brother Qi, what Xiaoqing said about the method of breaking the formation works?" If it works, you have to talk the talk. ”

Before arranging the formation, Qi Hufei had already released his words, whoever could find out the flaws in the formation he designed, he would reward whoever he wanted, and if he could break the formation, then let the formation breaker make a request.

But the spirits all over the mountain, just like that, heard these words, and no one took them seriously.

The formation designed by the boss, how can they break it?

It's still important to work, and it's the right thing to eat after you've done it.

Only Dan and Xiaoqing are free, and they want to break the formation.

The method of is to make trouble, set fire and spray water everywhere, and finally after being hung up by Xiaoqing with spider silk and slightly punished, he didn't dare to mess around.

And Xiaoqing did catch the flaw in the formation.

Qi Hufei looked at Xiaoqing and said, "Okay, you did stump me. Say, what do you want? But let's say it first, it's not allowed to be unreasonable, it has to be something I can do, or something I can do in the future. ”

Xiao Qing blinked slyly and glanced at Su Suisui again.

Su Suisui looked at her and wanted to laugh a little, and encouraged: "If you have any ideas, just say it boldly to your senior brother, as long as it does not damage the overall interests of Pansiling, and what your senior brother can do, he will definitely agree." ”

Xiaoqing was encouraged and nodded happily.

She thought about it, opened her arms and puffed out her cheeks at Qi Jufei, puffed out a round and lovely smile, and said with big eyes flickering: "Senior brother hug." ”

It was difficult for Qi Feifei to connect the cute little girl in front of him with the fluffy green spider.

At this moment, he had a feeling of trance, and unconsciously wanted to love the little girl in front of him.

He stretched out his hand to support Xiaoqing's armpit, picked her up, and asked happily, "Little clever ghost, you can talk about it now." ”

Xiaoqing put her arms around Qi Feifei's neck, lay on his shoulder, and whispered in his ear, "I've already said it." ”

Qi Fei Qi said: "When did you say it, what did you say?" ”

Xiaoqing laughed like a child who had successfully teased an adult.

Qi Hufei looked at Su Suisui as if he was asking for help.

Su Suisui smiled: "Brother Qi, not only has she already told you, but you have also done it." ”

Qi Hufei was even more confused and asked, "What?" ”

Su Suisui and Xiaoqing laughed together.