The spiritual spring is the bell of heaven and earth, and the dragon vein and earth qi are transformed, just like those martial arts holy lands in the mountain gates, there are precious spiritual springs, which can make a mountain range turn into a spiritual mountain pure land, and the concentration of spiritual energy far exceeds that of the outside world.

However, this spiritual spring in the abyss is too small, otherwise it would not be Ling Xiao and the others, I am afraid that it would have been taken away by several great martial arts saints.

Ling Xiao used the Heaven Devouring Secret Technique, quickly devouring the majestic aura contained in the spiritual spring, the breath around him was agitated, the golden light was shrouded, and the five-colored divine light turned his whole person into a devouring vortex, and the atmosphere was extremely amazing.

"This guy...... Even cultivation can make such a big move!"

Ling Qingqing's eyes showed a hint of brilliance, and his heart shook slightly, but he just shook his head with a wry smile, and continued to refine the spiritual spring.

Xia Hongsleeve's eyes also showed a trace of shock and bitterness, and he took a deep breath and began to cultivate.

The kind of aura that came out of Ling Xiao's body made Xia Hongsleeve very frightened, and she guessed that maybe Ling Xiao had cultivated an extremely powerful heaven-level martial art, otherwise it would definitely be so terrifying.

Xia Hongsleeve was a little stunned in his heart, the gap between himself and him was getting bigger and bigger!

A faint sense of regret began to feel in her heart.

Ling Xiao was immersed in cultivation, and as the majestic aura in the spiritual spring was refined, his cultivation became stronger and stronger.

Rumble!

A few hours later, a powerful wave of cultivation fluctuations spread, and Ling Xiao's cultivation broke through to the fifth level of the Dragon and Tiger Realm!

However, the spiritual spring in the stone pool was also swallowed by Ling Xiao by more than half.

"These spiritual springs are enough for the powerhouses of the Grandmaster Realm to break through several realms, but it turned out that I only broke through one level here, it seems that if you want to continue to break through, it is not enough to rely on these spiritual springs!"

Ling Xiao smiled bitterly and woke up from his cultivation state.

He has several peerless divine skills, and every realm of Ling Xiao has broken through to the realm of the Ten Great Consummations, so that his current accumulation is extremely strong, and the corresponding breakthrough is much more difficult.

Therefore, Ling Xiao didn't plan to continue cultivating, breaking through the first and second realms would not have much impact on his combat power, unless he could break through to the grandmaster realm in one go!

Ling Xiao stood up from the Lingquan Pool, and did not disturb Ling Qingqing, Li Chengfeng and the others, but walked towards the depths of the cave.

For some reason, after Ling Xiao came to the underground cave, he became more and more restless when he read the wordless heavenly book in the sea.

And the direction seems to be the depths of the underground cave, where there is something that has a strong attraction to the wordless heavenly book.

"Isn't it some kind of heavenly treasure?"

A glimmer of essence flashed in Ling Xiao's eyes, and he followed the strange fluctuations and walked forward.

The underground caverns are vast, and there are many dark tunnels leading to unknown areas.

Ling Xiao crossed an underground river along the strange cave passage, and saw countless strange rocks, and even some broken corpses and weapons in the corridor.

There was silence all around, with the occasional sound of water dripping down, and the further you went, the heavier the cold became, and the chill seemed to come from the bottom of your heart, making people shudder.

Ling Xiao instinctively felt that he couldn't go any further, there was a deadly crisis ahead.

But at this moment, the wordless heavenly book shone brightly in the sea of knowledge in the sky, and the fluctuation of Dao expectation was heard, as if there was something ahead, and the attraction of the wordless heavenly book was getting stronger and stronger.

"Check it out!"

Ling Xiao hesitated for a moment, but finally decided to move on.

There are many secrets in these Eight Desolation Secret Realms, and this is Ling Xiao's first feeling when he comes to the Eight Desolations Secret Realm.

The catastrophe 10,000 years ago should have happened after Ling Xiao's death, and the weakening of the Immortal Gate, the destruction of the Four Ancient Kingdoms, the disappearance of Jin Se, etc., all point to that mysterious catastrophe.

Only by finding the cause of that catastrophe can it be possible to find the news of Jinse and others.

Ling Xiao faintly felt that the Eight Desolations Secret Realm was not simple.

It stands to reason that the Eight Desolations Secret Realm is the battlefield of the Great Tribulation 10,000 years ago, and it retains the treasures and inheritances of the four ancient kingdoms, but who bothered to seal such a large area?

It feels like the Eight Desolations Secret Realm has become a prison, and something terrible is being imprisoned.

If it weren't for the passage of 10,000 years, the seal became weak, and several major martial arts holy lands joined forces to break through the Eight Desolation Secret Realm, taking away a large number of inheritances and treasures, I'm afraid that no one would know the whereabouts of the Eight Desolation Secret Realm.

Under this fog, it may be the truth that Ling Xiao is looking for.

The underground cave was unexpectedly large, and Ling Xiao passed through several forks, walked for hundreds of miles, and slowly stopped.

Directly ahead, there was a mysterious underground sea, the sea water is black, the ocean is endless, and there is no edge in sight, but above the sea water, there are strange wisps of black mist floating.

There was no sound of any water flowing, and the black ocean in front of him was as calm as death, but Ling Xiao felt a deadly crisis from the seawater.

"That's ......"

Ling Xiao's eyes flashed with light, staring at the black mist above the ocean.

Those strange black mist, slowly floating, as if there was life, changing various mysterious shapes, faintly emanating a dark and evil aura.

The reason why Ling Xiao felt shocked was because those weird black mist were exactly the same as the ones he had encountered in the mysterious bronze temple in the Fierce Beast Mountain Range, and they were the aura emitted by those strange creatures.

"Strange creatures...... Could it be that the catastrophe of 10,000 years ago has something to do with those strange creatures?"

Thinking of a certain possibility, Ling Xiao's expression couldn't help but change slightly.

Airplanes!

When Ling Xiao saw those black mist, those black mist seemed to have seen Ling Xiao as well, and they quickly spread towards Ling Xiao.

Rumble!

Ling Xiao slapped out with a palm, and the vast gang qi burst out, and the palm wind whistled, sweeping away those black mist, but it seemed to hit the air.

Unaffected in the slightest, those strange mist continued to gather together, and then approached Ling Xiao.

Ling Xiao was about to make any moves, and he knew that the wordless heavenly book in the sea moved.

Sou!

A brilliant light diffused from Ling Xiao's eyebrows, turning into a huge vortex, engulfing all the strange mist.

Rumble!

The action of the wordless heavenly book seemed to anger those black fogs, and the black fog in the vast sea actually rioted at this moment!

The overwhelming mist, containing a cold and evil aura, as if to pull people into hell forever, roaring.

Buzz!

The fluctuations of excitement in the wordless heavenly book became stronger and stronger, and the light that shot out of Ling Xiao's eyebrows became more and more blazing, and the wisps of light were like a chain of order intertwined, flickering with strange runes that Ling Xiao couldn't understand.

All the black mist that rushed up was swallowed up by the wordless heavenly book.

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