It's just that you can't see the sun or the plants. It will make people live for a long time and produce some depressing feelings.

Tang Yu thought about it for a while. He continued to extend his mind to the surrounding rock wall. He wanted to see if he could find out the cliff and find the location of the underground city.

However, after exploring in all directions, Tang Yu was shocked to find that even if his mind extended to the limit, it could not penetrate the rock wall. In other words, if the underground world is really under the ancient Chashan mountain, its distance from the ground is at least 30.5 million kilometers.

Is there such a deep place in the ancient temple mountain?

Tang Yu is not sure. After all, this is not the earth. Tang Yu has gone through too many practices, which are different from the earth.

So he can't guarantee what the situation is like here.

But judging from the current situation, Yuecheng Ying is right. It is quite safe here. It is impossible for the practitioners of the black evil land to make a channel to connect the world.

While exploring the situation, Tang Yu was also attracted by a large number of red crystal stones in the rock wall.

When his mind extended to the largest extent, he could still see the existence of these stones. However, Tang Yu was puzzled that these stones were also energy stones, but there was no reaction to swallow up space.

He did not know what kind of energy stone this kind of crystal belongs to. He had tried to study each other. Although he could find the energy contained in the stone, he did not stir the energy inside. They were like a proud little princess and ignored Tang Yu's exploration.

After thinking about it, Tang Yu decided to collect some of these stones. He casually wrapped up a large amount of earth and threw it into the energy space. He asked lotus lotus lotus to help collect these stones. Although he did not find out exactly, Tang Yu estimated that there were at least one billion of these reddish red stones in the earth rocks he picked up at random.

This kind of crystal can be seen everywhere in the rock wall of this world. If Tang Yu can use this kind of crystal stone, he will collect all the crystal stone here. It can be predicted that the amount of crystal stone here should be calculated at least in trillion yuan.

This is a terrible number. Before Tang Yu, only tens of billions of Sha magic crystals were needed to improve the cultivation of a star. The number of red crystal stones here is much more terrible than that of tens of billions of Sha magic crystals. The energy contained in each crystal of the same size is similar to that of Sha magic crystal.

If Tang Yu can absorb it, he doubts whether he can directly promote his cultivation to the peak of the nine realms of the true God.

However, after thinking about it, Tang Yu couldn't help laughing bitterly, because if he really absorbed all the energy spars in one breath, there would be only one end, that is, his body was directly burst by the energy contained in so many energy crystals.

"Master, there are already 1.6 billion crystal stones. It seems that these things are useless." Soon, in Tang Yu's mind, the sound of lotus, lotus and bamboo was heard.

"Oh! There are so many, more than I thought Tang Yu sighed, and then said, "it's really useless now, but I don't know if it will be useful in the future. Keep it first! Even if it's a souvenir, go back and give it to Guo'er. It's much more beautiful than a diamond! "

"Then I'll put these energy stones in place." Lotus, lotus and bamboo said immediately.

"Well!"

Tang Yu's exploration didn't last long. It was only a few minutes. Other people almost knew the situation of the underground world.

However, it is certain that although other people's accomplishments are much stronger than Tang Yu, they do not possess the powerful spirits of Tang Yu. Therefore, the situation they have explored is definitely unable to compare with Tang Yu.

"Don, what do you think of the situation here?" The old man of scarlet Chen asked.

"It can be said that it is very good. In addition to the lack of green mountains, green water and white clouds in the sky, this place is definitely the safest place in the whole ancient temple mountain." Tang Yu said definitely.

"No problem! Master of moon city, you have really found a suitable place Tang Yu praised with a smile, and then said, "you go to pick up the people outside now. I'm trying to find a way to arrange more transmission arrays."

"Good!"

The crowd split up and quickly got busy.

This time, Tang Yu did not choose to arrange a large-scale transmission array. There was a main transmission array, which was enough to use. Before the end of the war, the practitioners of Xuehua city certainly did not need to leave here.

Even if they want to leave and join the battle, the other practitioners in the ancient temple mountain will not agree with their request.

This ancient transmission array is more powerful than the large-scale transmission array arranged by Tang Yu. It can transmit millions of people at a time. It is 100 times more effective than the transmission array arranged by Tang Yu.According to Tang Yu's original statement, the cost of this transmission array must be several times that of Tang Yu's 10000 person transmission array, but in fact, it does not need to be. Some special and precious materials are used in the transmission array. It is the existence of these materials that makes the whole transmission array less expensive.

Tang Yu didn't have these materials. He didn't encounter such materials in the ancient temples and in the world he had experienced. Otherwise, he would not have chosen to arrange the 10000 person transmission array, which is almost unlimited.

When Tang Yu arranged the transmission array, he deliberately avoided other people's sight, because now he did not know who was the traitor of their ancient temple mountain.

Although these people are deliberately selected by the master of scarlet Chen, it is very difficult to find people who are parasitized by the practitioners of the black and evil land if they do not actively expose the situation.

More and more people are appearing in this underground world.

All those who had just arrived in this underground world were shocked by the magnificence of this place. But soon, all the practitioners in Xuehua city chose some suitable places to make magic cannon.

Tang Yu spent nearly an hour busy with some of the underground world, and then sat in the transmission array, left the underground world and returned to the ancient temple mountain.

In front of everyone, he quickly arranged several simple transmission arrays at several locations in the valley. After that, Tang Yu entered the underground world and said to yuechengying: "master of Yuecheng, everything here is up to you. I have to leave now. I have to go to more places and arrange the transmission array. Otherwise, it will be troublesome if the problems that the old man scarchen worried about really appear

"It's OK. Leave it to me! I guarantee that as long as there are enough materials, there will be a steady stream of magic artillery coming out of us. " Moon City cherry firm said.

"Well! Pay attention to safety! "

"Help us cultivators in Xuehua city to kill more animals in the black evil land." Yuecheng cherry called to Tang Yu's back.

"Certainly!"

Tang Yutou also did not return, raised his hand, waved twice, and then left the underground world with the night cloud LAN and others.

Tang Yu has left. The master of scarlet Chen and ye Yunlan may not leave. Even for the sake of safety, Tang Yu has left Xia Tangming and others who are also capable of refining weapons.

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