The underground race settlement has been dozens of kilometers deep into the ground, and then continue down, several times deeper than the deepest trench in the world, and the surrounding passages extend in all directions, but where each passage is going, it is impossible to judge at all, Ye Fan's decision is to directly use the cultivation on his body to directly carve out a path and continue to go underground, which is also the most convenient and direct method.

The Nine Heavens Xuannu said, "You're not afraid of being burned by the magma underground?"

Ye Fan said with a smile: "It's the seniors who are afraid, right? With the cultivation of our people, only the seniors will be afraid of magma!"

"Whatever you want!" The Nine Heavens Xuannu didn't seem to be afraid of death, Ye Fan could understand that even if she died, she would only return to her previous spirit form, her consciousness would remain forever, and she would be able to regain her human body through Sang Yuan in the future.

He couldn't help but envy the Nine Heavens Xuannu, the advantage of being an ancient power is that he must not die, and he can be resurrected infinitely if he dies.

Otherwise, Xihe would not have struggled to find her lover, because Xihe knew that her lover must still be conscious, but she couldn't use her spiritual sense to communicate with her lover, and she needed to have a transit person, Ye Fan had such an ability, Mo Xiaoyan also had this ability, as for whether Shen Yan who Xi He took away had this ability, Ye Fan actually didn't know, Shen Yan never said by his side that he could see some souls.

When Ye Fan gave the order, Sang Yuan opened the way in front to make the "drill bit", her cultivation was the highest, and her cultivation could directly transfer the soil and stone of the excavated mantle layer to another space, which also saved a lot of trouble.

Ye Fan, Li Zhaojun and Min died in the second camp, and finally the Nine Heavens Xuannu was protected by Blue Crystal.

Several people began to dig directly under the underground palace, the speed of travel was not slower than the speed of advancing in the sea water before, Ye Fan had been using his spiritual sense to probe the surroundings, he was also preventing directly digging into the magma, and he himself was never sure whether the center of the earth was hollow or another world with life, this was a real adventure in the center of the earth.

But Ye Fan will not be stupid to really cross the center of the earth, he judged the location of this artifact, it will not be more than a hundred kilometers away from the survival place of the underground race, that is to say, it is still in the mantle layer, it is really close to the center of the earth, in the state of high pressure and high temperature, several people are likely to be wrapped in magma, and in the end, if they can't find the exit, they will encounter trouble, and it is likely that there will be a situation where the oil runs out. In this environment, Kuangyuan cannot be expected to tear apart time and space, because stable space-time is built in a relatively stable cosmic environment.

"Childe, the slave feels that there seems to be a hidden energy source dozens of kilometers ahead!" Sang Yuan said first.

After all, Ye Fan's cultivation was not as high as Sangyuan, he only noticed it later, and when he also sensed this energy, he first judged that it might be some kind of energy field underground, and after determining that this energy source had different characteristics from aura and earth energy, he believed that this thing should be related to the artifact guarded by the underground race.

"Do seniors know what this is?" Before he arrived at the location of the energy source, Ye Fan asked.

At this time, the Nine Heavens Xuannu was already very unaccustomed to the underground environment, but fortunately, Azurite constructed a protective net for her, so that she would not be scorched by the high temperature underground. She opened her eyes, only shook her head slightly, and quickly closed them again.

Sang Yuan said: "Childe, there is a magma layer in front, we ...... How to get there?"

"Detour!" Ye Fan said, "It's okay for us to take the magma layer, but the magma will gush out along the passage we came from, which may cause the collapse of the bottom layer, so it's safer to take a detour." ”

"Yes. Sang Yuan directly turned the direction, and several people continued to follow her, the distance of these dozens of axioms did not take much effort, and it only took a few minutes to reach the location of the energy source, but there was a very thick protective shell around the energy source, and even Sang Yuan, I also broke through this layer of shell that was several kilometers wide.

"Childe, the slave can't move forward anymore, please show me!" Sang Yuan tried several times to no avail, so he had to come back and ask Ye Fan for instructions.

Ye Fan personally walked to the front of the shell, it was like a big egg in the ground, knowing that there was likely to be an artifact in the eggshell, but he couldn't open this layer of eggshell, and the force of this shell was equal in every direction, and he wanted to use external force to open it, not to mention that he couldn't do it, even if he could open it with violence, there would inevitably be a big earthquake and a monstrous wave tsunami on the earth, and mortals didn't know how many people would die.

Ye Fan glanced at the Nine Heavens Xuannu, at this time, the surroundings of the Nine Heavens Xuannu were shrouded by a strong magnetic field and air pressure, and she could only close her eyes to alleviate the discomfort in her body.

"Let's take a walk around and see if there's anything unique around here, maybe there's a mechanism that can be opened inside!"

Sang Yuan was about to receive the order, when the Nine Heavens Xuannu suddenly said, "Don't waste your efforts. ”

"Hmm, why did the seniors say this?" Ye Fan and the few people present all looked at the Nine Heavens Xuannu.

"I've been here before, of course, when my cultivation was not lost, it was Pangu who stored this artifact here, and apart from himself, even Fuxi and Nuwa couldn't open it, let alone us!"

At this time, there is no need for the Nine Heavens Xuannu to hide it, which means that she has been to the earth, and she has been to the underground, but unfortunately she can't take this artifact away.

In the system of ancient immortal cultivators, Pangu is an absolutely unique existence, he is like a god of all gods, Pangu created heaven, earth and living beings. Below him are the brothers and sisters Fuxi and Nuwa, who are both brother and sister and husband and wife, and Nuwa created the gods of later generations on the basis of living beings and their own general forms, as well as ordinary mortals with wisdom, and then the ancient powers of Emperor Jun and Nine Heavens Xuannu. Although legend has it that there are ten great powers of antiquity, there is also a priority in this arrangement.

In ancient legends, Pangu has turned his body into the universe, and the person has died, so he will not come again to take away the artifact he left behind, and this artifact will stay here forever.

"Crossing the treasure mountain without entering, this is not what we should do. Ye Fan said, "I still look at it carefully, maybe there will be some clues." ”

"It's useless, if you don't leave, every hour or so, there will be a strong magnetic force underground, even if I was in my heyday, I could barely dodge, and I would be injured. Why do you think Su Nu has been practicing in the North Pole for tens of thousands of years? Because she was injured by this magnetic force, she thought it was me who injured her, but in fact, the root of the injury was Pangu, the person who created this world!" The Nine Heavens Xuannu's voice still carried a sternness, "I already feel that the magnetic field has begun to gradually become stronger, and there is less than half an hour left, and it is too late to leave!"