Thunder and lightning are constantly raging in the thunder field, and the power of thunder and lightning is surging. But after Zi Chen came in, he didn't need to prop up the defensive light shield at all, and those thunderbolts just walked around him. Or like a docile swimming dragon, revolving around Zi Chen.

Zi Chen's eyebrows, the golden thunder and lightning mark automatically activated, blooming with brilliant golden light, blocking all the dangers that thunder and lightning could bring for him.

Zi Chen stepped forward in the thunder domain, going deeper and deeper.

In that year, he found a diamond that had lost its gold essence in the fourth layer of the minefield, which was once called a heavy treasure. After his strength was strong, he entered the Thunder Domain and searched for it on the fifth and sixth layers, but found nothing.

Thirty years ago, Zi Chen entered the seventh layer of the Thunder Domain with the realm of the Great Perfection of the Sky Realm, but the search was fruitless. Today, he was already in the early stage of the Dan Yuan Dynasty, and he was about to enter the eighth layer in the Thunder Domain.

Legend has it that there are only nine layers in the Thunder Domain, and the thunder and lightning of the ninth layer are undoubtedly the most terrifying. If Zi Chen's search for Lei Jing on the eighth layer was fruitless, then he would have to enter the ninth layer.

The ninth layer of the thunder domain that has existed for 10,000 years, Zi Chen does not believe that there is no thunder crystal born here.

The first seven layers of Zichen passed through smoothly, and there was no danger at all, and in these seven layers of thunder domains, it was naturally empty. On the fourth layer of the Thunder Domain, Zi Chen saw a human Dan Yuan refining the weapon, and did not bother the other party.

After that, Zi Chen stepped into the eighth layer of the Thunder Domain.

The thunder and lightning of the eighth layer were surging and terrifying, bursting with the power of destruction. Under the ravages of many thunderbolts, even if the Human Yuan Realm arrives, I am afraid that it will be blown into ashes.

But such a terrifying thunderbolt seemed extremely docile in front of Zi Chen. Zi Chen had expected this scene before he came, because what was sealed in his purple gold gourd was the thunder and lightning of the eighth layer.

However, at that time, the others were standing on the seventh layer, and Lingnian controlled the purple gold gourd to enter the eighth layer to seal the thunderbolt.

Entering the eighth layer of the Thunder Domain, Zi Chen began to search carefully around, not letting go of any corner.

It was to no avail that he had approached the ninth layer, and it was only after he got close to the ninth layer of minefield that he saw some fingernail-sized balls floating in the sky.

The orb glowed silver, like a tiny solidified lightning. Zi Chen recognized at a glance that these small round balls were Lei Jing. But it's too small, not to mention repairing the broken spear, even if it is enough to repair those cracks.

Zi Chen collected all these floating points of light, and there were only sixteen, which were not as big as a single Yuan Stone.

"There must be thunder crystals on the ninth layer!" There are small thunder crystals on the eighth layer, and there are naturally complete big thunder crystals on the ninth layer, Zi Chen put away these small thunder crystals and looked at the ninth layer with a firm gaze.

It seems that this floor must be entered.

He took a deep breath, and the extreme energy around his body began to mobilize, and the extreme yin and extreme yang all appeared, forming a light mask of yin and yang symbiosis. Then, he used his spiritual thoughts to urge the thunder and lightning mark in the center of his eyebrows to the greatest extent.

After doing everything, Zi Chen stepped into the ninth floor.

"Boom!"

As soon as he entered the ninth layer, a terrifying coercion came to him. Under this terrifying pressure, Zi Chen almost sat on the ground, but he also squatted on the ground. This coercion is like a real heavenly power, which makes Zi Chen feel a sense of suffocation.

It's like a young creature seeing a dragon and feeling its might. In this coercion, Zi Chen not only felt his own insignificance, but even felt a dangerous aura.

The light shield of yin and yang symbiosis is constantly vibrating, making a clicking sound, and it seems that it may collapse at any time. The Thunder Clan mark in the center of the eyebrows was also suppressed to a great extent, the light became dim, and Zi Chen's spiritual thoughts in the sea of knowledge were firmly imprisoned in the sea of knowledge.

Zi Chen's face turned pale, his heart was stuffy, and cold sweat dripped from his forehead. During this period, he constantly urged the extreme energy of yin and yang symbiosis in his body to maintain the light mask around his body, for fear that the light mask would be broken at a certain time.

As time passed, he gradually got used to the pressure, and then he struggled to get up. After that, he looked up and looked ahead.

The silver light in front of him was bright, and thousands of thunderbolts were constantly flashing and raging, and there was a loud bang, and Zi Chen's visibility was less than ten meters.

Unable to see what was in the ninth layer, Zi Chen planned to probe out of the spiritual thoughts. Under this fierce force, Lingnian was suppressed in the sea of knowledge. It took a lot of effort for Zi Chen to let a trace of spiritual thought break free from Lei Wei's suppression and extend into the distance.

But as soon as Lingnian left the light shield from the sea of consciousness, he was destroyed by the thunder and lightning of the ninth layer.

The destruction of spiritual thoughts is equivalent to the destruction of the soul a little, and Zi Chen couldn't help but let out an exclamation. But his cries were soon drowned out by rumbling thunder.

"How could this be?" Zi Chen turned his head slowly, but could only see the scene within a radius of ten meters. He had already guessed that the ninth layer of thunder and lightning would be more terrifying than the first eight layers, but he didn't expect it to be so terrifying.

The marks of the Thunder Clan have been suppressed, and these thunderbolts, which are as hideous, mighty and terrifying as the Thunder Dragon, are no longer docile, nor do they wander around Zi Chen as a flattering person. One by one, they are like fierce dragons, trying to destroy Zichen alive.

Fortunately, the ThunderClan Mark can still play some role at present, allowing these raging Thunder Dragons to make a detour before hitting Zi Chen's body.

Within sight, Zi Chen did not find Lei Jing, but only moved forward. But under such terrifying coercion, Zi Chen felt like he was holding a huge mountain on his body, and every step was difficult, and every step took a long time.

After just a dozen steps, Zi Chen, who had a perfect body, was out of breath when he walked. But the dozen or so steps were not in vain, and he found a piece of thunder crystal.

It was a fist-sized thunder crystal, floating quietly in the air. Letting the thousands of thunder and lightning rage around him, the other party was as stable as a rock in the air, not moving at all.

This piece of thunder crystal was five steps away from Zi Chen, and after taking four steps with difficulty, he reached out and took the thunder crystal. The thunder crystal contains an extremely terrifying power of thunder and lightning, if it is an ordinary Dan Yuan to collect it, it will inevitably be eaten by the thunder energy on the thunder crystal, but Zi Chen Xiu has thunder and lightning energy, and he is directly immune to this energy, but it is fine.

The ninth layer of the Thunder Domain is very large, and it seems to be much larger than the eighth layer, and during this period, Zi Chen also found several thunder crystals. He slowly but firmly followed Lei Jing's advance, and after advancing dozens of steps, Zi Chen obtained a total of five Lei Jing, all of which were the size of a fist.

Five fist-sized thunder crystals, plus the small thunder crystals from before, are enough to repair the broken spear.

There are crises everywhere here, and if you are not careful, you may die under the thunder and lightning, and Zi Chen, who has achieved her goal, decides to leave.

At this moment, he found another thunder crystal ten meters away.

In the nine-layer thunder domain, Zi Chen's line of sight could only see ten meters. The reason why I saw ten meters away was because this thunder crystal was too big and too dazzling.

This thunder crystal was the size of a human head, emitting a dazzling silver light, as if it had many thunderbolts sealed in it. A bright and dazzling light came from ten meters away.

Such a big thunder crystal, Zi Chen has never heard of it, and has never seen it. In the inheritance memory of the Wuji Sect, there has never been such a big one. It seemed to be only ten meters away, and Zi Chen was curious, so he took a few steps forward and watched carefully.

Taking five steps forward, Zi Chen saw the large piece of thunder crystal clearly under the dazzling light, and a look of shock instantly appeared on his face.

"How is this possible?" After being shocked, Zi Chen's face was full of disbelief.

I saw that among the thunder crystals with a large human head, there was a dragon sealed, one that looked like a totemic-level divine dragon in the legend.

This divine dragon was conceived in the thunder crystal, and its body emitted a brilliant silver light, like a divine dragon that could control the power of thunder and lightning. And this divine dragon is swimming among the thunder crystals, vividly appearing, like a real dragon.

"Dragon, is it really a dragon?!" The expression on Zi Chen's face slowly became horrified again. Dragons belong to legendary existences, how can there be dragons in this world? Suppressing the horror in his heart, Zi Chen took a deep breath and tried his best to get closer to the large thunder crystal.

After a few more steps, he was less than five meters away from Lei Jing, and he could clearly see the divine dragon bred in Lei Jing. This dragon is exactly the same as the real one, the dragon horns, dragon whiskers, and dragon scales are all the same as the legend, and they look vivid. But if you stare at it carefully, after looking at it for a long time, you will find that this divine dragon will occasionally transform into a thunderbolt when it swims.

Sometimes it turns into a thunder dragon, sometimes it turns into thunder and lightning.

But such a scene has already made Zi Chen understand that this is not a divine dragon born in the thunder crystal, but a thunderbolt that will change. In this regard, Zichen was greatly disappointed. Immediately afterward, his face was full of curiosity.

will change into the thunder and lightning of the dragon, doesn't that mean that this thunder and lightning has a way of change and life?

Don't?

Suddenly, in Zi Chen's sea of knowledge, a lightning bolt slashed. Lightning streaked across the sea, and he already remembered what it was.

Thunder Soul Crystal!

This is a mutated version of Lei Jing, and it is also a more advanced existence than Lei Jing. This thing is also a legendary thing, just like the primordial spirit bred in the Yuan Stone, it all exists in legends, but no one has really seen it.

The thunder and lightning in the thunder crystal sometimes changed into the shape of a divine dragon, and that was also because this thunder crystal had already given birth to a crystal soul. It is equivalent to this thunder and lightning having a soul and life, and when the crystal soul is broken, it is the time when this life is born.

And once born, this is a small thunder dragon, which can also be called a thunderbolt creature.

"After this thing was born, is it really a thunder dragon?" Zi Chen looked at Lei Jing in front of him, and various lights flashed in his eyes.

But if you want to make the creatures in Lei Jing born, it seems that it will take endless years. And during this period, it is not excluded that he will die suddenly. It is almost impossible to make a thunderbolt creature succeed. In this regard, Zichen did not have hope at all.

Don't look at this thunder and lightning creature already has a way to transform, but it only has a little breath of life, according to conservative estimates, its hatching time is also after 10,000 years, even tens of thousands of years, hundreds of thousands of years.

For such a long time, Zi Chen couldn't afford to wait.

And the unhatched Thunder Soul Crystal is also equivalent to Thunder Crystal, and it is something thousands of times more precious than Thunder Crystal, and it is also an extremely haode refining material.

After hesitating for a few seconds, Zi Chen decided to take away this Thunder Soul Crystal and integrate it into the broken spear to improve his combat power.

So, he withstood the pressure, stepped forward with difficulty, and approached the Thunder Soul Crystal.