Suddenly, like a light breeze, there was a faint sound from above the pitch black. The sound became louder and louder, and after a while, Gu Yuntian felt a powerful force descending from the sky, quickly running down the hollow outside the cliff. The light wind turned into a violent wind, and the cavern rumbled in the whistling room, and the forbidden waves churned violently, as if they could not withstand this violent force, and were about to collapse.

The fellow refugees beside him seemed to be used to seeing each other and did not react abnormally, so Gu Yuntian calmed down and observed carefully. Through the prohibition, his sense was not very accurate, and he only felt that the force was getting stronger and stronger, as if it was about to break the mountain.

The castle master suddenly spoke, "Let's begin." His voice was hoarse and unpleasant, like two pieces of iron pressed together rubbing against each other, which was extremely uncomfortable. Gu Yuntian instinctively felt that he was doing it on purpose.

Hearing his words, several people in the second row behind him immediately moved, and their ten fingers pinched and formed a strange seal knot, which fell on the prohibition.

The prohibition shook for a while, and it broke open a hole like a melt, and suddenly a violent force that destroyed the world rushed in along the hole, Gu Yuntian's heart shook wildly, it was an incomparably thick destructive power!

The destructive power that rushed in was as solid as a black column of water, rushing in with the momentum of destroying everything, and it seemed that it would tear everything here to shreds in the next instant. The three people standing in the front row suddenly appeared in their hands, raised their hands and threw them out, and at the same time pinched the trick with both hands, chanting words in their mouths, forming a mysterious formation, enveloping the black airflow, allowing it to rush left and right but unable to get out of the encirclement. Those in the second row who opened the prohibition quickly changed their fingerings, and a large number of seals pounced on the prohibition, blocking the melting hole.

The castle master and the two people beside him, the ten fingers flipped and flew the law constantly changing, and countless seals quickly hit the three small flags, and the three small flags slowly turned, gradually forming a funnel, and from below the funnel, a pure and extremely destructive power slowly flowed down. The castle master and the two men beside him looked exhausted, let out a long breath, and immediately sat down cross-legged and began to absorb it.

After a moment of incense, this pure destructive power was absorbed, and the three of them became refreshed, not only fully recovered, but also more beneficial. The men in the second row immediately opened the breach in the prohibition once more, and put in a destructive force.

After repeating this several times, the voice in the cavity seemed to weaken a little, and this time the destructive power that was put in, these three people no longer absorbed, but began to absorb it from the second row. These destructive powers are no longer as solid as Fang Cai's, and their quality has obviously dropped a lot.

After the people in the second row have absorbed it three times, it is the turn of the next two rows. By the time they had absorbed it, the wind outside was as light as it had been when they first arrived, the wild storm had disappeared, and the mighty force had returned from the bottom up.

The prohibition was opened again, and the destructive power that rushed in at this time was like a breeze blowing through it, and it was difficult to detect if there was none, but this small destructive power was much purer than a wisp of black energy in the spar. It was the watchmen and slaves who took the time to absorb the power of destruction, and everyone was eager to absorb this little bit of energy.

The gap in the prohibition remained wide open until there was no trace of destructive power penetrating and there was no sound in the hollow outside, and the castle master ordered the prohibition to be sealed, and the guards escorted the slaves back to their cells.

Gu Yuntian couldn't wait to put this trace of destructive power into operation, and also released the destructive power hidden in his body, and when the two came into contact, he found that his destructive power had instantly increased a lot. The rest of them were also stepping up their cultivation, fusing these pure energies with their own destructive powers.

After completing the cultivation, No. 7 told Gu Yuntian that he didn't know where these destructive powers came from, and he didn't know how the castle owner found the land, but every hundred years or so, the castle master would take everyone, including the slaves, to the edge of the cliff in the belly of the mountain to absorb the destructive power.

Gu Yuntian's heart suddenly beat violently, and he had a crazy idea, the power of destruction rushed down from above, and finally returned to it, indicating that there must be an entrance above. If you rush into the hole outside the cliff while the ban is opened, you may be able to escape from this black prison!

But the destructive force that fell from the sky was so powerful that it was absolutely effortless to turn everything in the belly of the mountain into powder, and rush into it, would it be able to survive?

Then it can only depend on whether your physical body is strong enough, and whether the immortal body of gods and demons can withstand the test of the power of destruction!

Staying in the black prison seems to be the only way to die, the little bit of destructive power that he hides is unreasonable compared to what the castle master absorbs, and the improvement of his own cultivation can't catch up with the castle master anyway, not to mention that he also has a group of relatives, friends, disciples, minions, etc., everyone's improvement is not necessarily slower than his own. Unless someone destroys the castle, there seems to be no chance of escaping.

Rushing into the hollow outside the cliff, the chance of survival is not greater than staying in the black prison, but it may be smaller, and perhaps the moment you rush in, you will be shattered by the power of destruction. However, it is by no means Gu Yuntian's character to sit back and wait for death, even if he rushes in, he will definitely die, he must try before he dies.

Without the confidence to survive in death, Gu Yuntian would not have embarked on the path of cultivating immortals at all, and to this point, this belief has long been deeply rooted in his mind and can no longer be shaken. He completely dismissed any risk of rushing into the force of destruction, instead feeling sorry that he had missed a chance to escape.

After thinking about it, Gu Yuntian put away his regretful and anxious mood again, and felt that it would be safer to act after a hundred years. Now the destructive power in his body is too weak, and he has worked hard to cultivate in this hundred years, so that after it grows stronger, his own safety will be more guaranteed. For others, in this mere hundred years, there may not be an inch of progress, but there are countless small meridians on their bodies, and no matter how little the destructive power hidden in each meridian is, it is not to be underestimated when gathered together, so take advantage of this time to improve yourself.

After Gu Yuntian stabilized his mentality, he devoted himself to cultivation day and night.

At this time, Su Aotian's physical body transformed with the power of the stars had reached a point where it could not be improved.

After cultivating in the depths of the earth for an unknown number of years, the power of the stars that his body could absorb had reached saturation, like a pool full of water, and could no longer hold it. If he wanted to fill this pool with water again, there was only one way to expand the pool, and he had to improve his cultivation in order to continue to absorb the power of the stars. Now his cultivation has broken through to the Heavenly Immortal Realm, and it is difficult to rise again.

Finding that he could no longer make a breakthrough from the retreat, Su Aotian knew that he had to get out. Before that, there is one more thing to do, and that is to refine the rune treasure.

The reason why I have this idea is because my current cultivation is still too weak, although relying on his strong divine sense, after coming to the fairy world, the myth of invincibility at the same level still cannot be broken, and it is not difficult to fight beyond the level, but his enemies are too strong, don't say that the immortal generals are handsome, the master behind them, the emperor of heaven is his real enemy!

As long as the Hongmeng Qingyan Lantern is in Luo Yingsleeve's hands, this threat will never be eliminated, unless his own strength is better than that of the Heavenly Emperor. And Hongmeng Qingyan Lantern has already recognized the lord and formed a mental connection with Luo Yingsleeve, if it is deprived, it will inevitably cause Yingsleeve to suffer heavy losses, and even endanger his life.

What's more, even if the Hongmeng Qingyan Lantern is given away, these Heavenly Emperors may not be willing to give up. The strength of the black-robed Emperor of Heaven has been seen from the Hongmeng Qingyan Lamp, and his own people have been involved in a constant connection with him through the Hongmeng Qingyan Lamp, and what the Emperors want is not only the Hongmeng Qingyan Lamp, but also the lives of themselves and others.

So far, the partners have all had artifacts, but none of them themselves. I hadn't thought much about relying on external objects to enhance my ability before, but in the current situation, there was an artifact that could indeed greatly improve my ability to save my life. Since you have this flaw, let's make up for it with runes.

The talisman used to be his most powerful killer weapon, but as his cultivation became more and more sophisticated, the effect of this right-hand man gradually weakened, and today he has picked it up again. Refining talismans and talisman treasures, he is already a grandmaster-level figure, and he can come at any time without any preparation.

Whether it is in the Immortal Realm or in the Chengtian Continent, the principles of refining talismans are the same, and the only change is the techniques and know-how. In the Chengtian Continent, he constantly compresses the aura and prohibitions, stacking them layer by layer, nesting them with each other to enhance the power of the runes, and in the immortal realm, the methods of refining rune treasures are roughly the same, but what they compress and superimpose is a variety of spells.

The law decision is actually a small prohibition, the arrangement is simple and fast, without all kinds of materials, and it can be completed with a few hands, which is the preferred way for the immortals to learn the fighting method. However, Su Ao's years are unfavorable, and even with a group of partners, he has suffered many accidents, and the immortals he encounters are not only strong, but they are all going to be divided into life and death, and the magic power that is fatal is to make a move, basically no one fights with him.

Combining various methods into specific techniques to form a specific structure is a good talisman treasure. If there are good materials, then this rune treasure is a top-notch treasure. Su Aotian is now in his hands, and the materials are not complete, so he can only refine them first.

The material he used to make talismans was jade, which was also the basic material used by the immortals to make talismans.