The original Heavenly Artifact Sect.

At the very top of the Shushan Sword Sect, like the ruins of other sects, there is an ancient demon and an ancient undead, sealed within a powerful barrier.

However, under normal circumstances, this ancient demon is suppressed by the ancient undead, so this situation is impossible.

Moreover, the last time Guo Feng witnessed the battle between ancient demons and ancient undead was at the ruins of the Hidden Dragon Sect.

That is, the site where Guo Feng killed Zhang Taidou's great-grandson Zhang Simiao and Zhao Liang's adoptive mother.

At that time, Zhang Simiao, who possessed demonic blood, broke into the barrier.

This greatly increased the power of the ancient demons.

But in the end, through the cooperation of Guo Feng and the ancient undead Xu Jing, the ancient demon Ayenamo was sealed off again.

This time, the ancient demons are able to stir up again, which must mean something unexpected has happened.

"Could it be that the Great Dao Profound Heart Token used some power before, which weakened the seal, or triggered something bad?"

As Guo Feng pondered this, he flew to the front of the barrier.

Sure enough, he immediately saw that the light inside was flashing continuously, and it was making a rolling roaring sound.

It was as if the two were exchanging blows.

The barrier continued to vibrate.

"Help me stabilize the barrier..."

As soon as Guo Feng landed in front of the main hall, he immediately received a magnificent voice from within the barrier.

This voice seemed even more powerful than that of Xu Jing, the ancient undead spirit from the Hidden Dragon Sect.

Of course, those ancient demons were also extremely powerful.

Guo Feng is no longer a novice, so he naturally can't just casually probe with his divine sense like before.

Moreover, he has now gained a considerable understanding of formations.

He quickly said to Qin Tian and Ye Ning, who had come with him, "Gentlemen, please help me stabilize the barrier."

"good!"

The two nodded quickly.

Then, the three of them channeled their spiritual energy into the barrier, causing it to shine brightly.

It was like a giant sun.

The next moment, strands of lightning energy were generated inside the barrier and converged on the ancient undead.

The ancient undead was crackling with lightning, and its strength increased dramatically.

They bombarded the ancient demon repeatedly.

It unleashed dazzling bolts of lightning.

The shock caused the ancient demon's body to continuously disintegrate, then merge, and then disintegrate again.

This continued for about ten minutes.

Finally, the body of that ancient demon ceased to merge, leaving only a phantom.

The lightning on the ancient undead body also faded.

Even through the barrier, Guo Feng could only vaguely see a faint, ethereal figure.

The voice came again: "There seems to be a change in the heavens above the Divine Land. Go and investigate immediately."

Then, the voice of the ancient undead ceased to be heard.

"Above the Nine Heavens of China?"

Guo Feng was taken aback. He had wondered before what the sky above the spirit realm would look like.

He had previously consulted with Academician Zhou and others from the Chinese Academy of Sciences while in Jinwu City.

Academician Zhou and his team discovered via satellite that tens of thousands of meters above the spirit world is not Earth's atmosphere, but rather a layer of thunderclouds.

All modern technology becomes ineffective in that area.

As for exploring further upwards, that's beyond the reach of current technology.

He was not strong enough before, and did not dare to explore the heavens.

This time, the barrier underwent a strange change, and the ancient undead sent him to investigate again.

He nodded naturally.

He quickly said to Qin Tian and the other man, "Gentlemen, come with me to the heavens."

"Above the Nine Heavens?"

Qin Tian was taken aback, then said, "Above the Nine Heavens are endless thunderclouds, devoid of any living beings. Occasionally, however, one can find some extraterrestrial meteorites. These meteorites, tempered within the thunderclouds, are called Nine Heavens Thunder Meteorites, which are excellent materials for crafting magical treasures and spiritual artifacts. However, it is extremely dangerous; even a tenth-rank cultivator must be cautious going up there. What brings us up there?"

"Something seems to have changed."

Guo Feng said.

"Alright, I rarely go up to the heavens to collect materials, so let's go take a look."

Qin Tian nodded hurriedly.

Ye Ning also said, "I often go to the endless thunderclouds in the nine heavens to collect thunder energy, but I have to be careful. I'll lead the way, you all follow me closely."

After she finished speaking, she flew directly into the sky.

Guo Feng and his companion quickly followed.

They were incredibly fast, crossing thousands of meters in the air in the blink of an eye.

The 20,000-meter mark was quickly surpassed.

30,000 meters.

40,000 meters.

Fifty thousand meters.

...

80,000 meters.

They kept climbing, but Guo Feng found that the higher they went, the more difficult it became.

The louder the thunder, the stronger it becomes.

When they reached around 90,000 meters, Guo Feng witnessed a scene he would never forget.

Above the clouds, there was an endless barrage of thunder.

Between thunderclouds.

The light flickered.

It gives people a great sense of awe, as if it is the majesty of nature and the way of heaven that does not allow humankind to challenge it.

"The lightning here seems somewhat similar to the lightning near the border barrier we saw before, but the higher you go, the more powerful the lightning becomes."

Guo Feng and the others stopped, and he said with lingering fear.

They spoke very loudly.

Because above, the sound of thunder and lightning was relentless.

Lightning was everywhere, moving like dragons and snakes.

“Hey, Wind King, I’ve noticed that the thunderclouds over here are much more powerful than those over there.”

"When we first went up 180 miles, even an eighth-grade expert could almost hold them off."

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