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In this hall, the yin qi was tumbling, so thick that it almost liquefied, and in the middle of the main hall, there was a pool, and it was from there that the yin qi came out.

With a flicker, Summer appeared next to the Yin Qi Pool, and when I looked inside, the pool was full of black water, and I didn't look alarmed.

In the yin qi pool, the yin qi is really condensed into a liquid state, like a layer of oil, piled up in the pool, but in summer, through the dark phenomenon, I saw the essence and the bottom of the pool.

At the bottom of the pool, magical lines are depicted, and when they are combined, they become a complex pattern, and they are a large array.

After taking a look at the formation, Xia immediately recognized it, this should be a formation that communicates with a certain world, and with the thick yin qi in the hall to speculate, it is not difficult to guess that the world of formation communication should be similar to the Zhongtian World of the Nine Shadows Great World.

The Nine Shadows Great World, one of the Three Thousand Great Worlds, has some similarities with the Great World of the Underworld, but it is also different, and its ranking is lower than that of the Great World of the Underworld.

The Great World of the Underworld, among the three thousand worlds, can be ranked among the top ten, while the Nine Shadows Great World is much worse, only ranking in the top 100 among the three thousand worlds.

The top 100 places, don't think it's very low, the heavens and all the worlds, the three thousand worlds, are all first-class powerful worlds, and the big worlds ranked in the top 100 are even more powerful.

The Nine Shadows Great World is too strong, it is a big world that ranks in the forefront of heaven and earth, and with the ability of the Ten Thousand Ghost Palace, if you want to communicate with the Nine Shadows Great World, you can't do it.

According to summer estimates, the great array in the yin qi pool, the world of communication, should be a certain Zhongtian world similar to the Nine Shadows Great World, but it is not known in summer which world it is.

In his previous life, although Xia Xia was powerful, he was a Da Luo Jin Immortal, with vast magical powers and extensive knowledge, but it was difficult to understand all the things in heaven and earth.

Not to mention the countless small worlds, it is the 100,000 Zhongtian Worlds, and he only knows the more famous ones, not all of which are well known.

Among the 100,000 Zhongtian Worlds, there are quite a few that are somewhat similar to the Nine Shadows Great World, not 1,000 but also 800, so Xia couldn't guess which Zhongtian World the Ten Thousand Ghost Hall was communicating with.

After glancing at the formation in the Yin Qi Pool, Summer no longer paid attention, pulled Chenguang's hand, and his body rushed towards the sky, and in an instant, he reached the upper layer.

This is a much larger hall, in which there is no yin qi, nor does it have that cold feeling, on the contrary, a faint coercion oppresses in the heart of summer, as if the vast and simple majesty of ancient times makes the hearts of the two of them sink.

In the hall, like below, there is also a pool of yin qi, but there is no yin qi in the pool, only an invisible reckless aura faintly turbulent.

This is an even more huge Yin Qi Pool, several times the size of the Yin Qi Pool below, and at the bottom of the pool, there are also mysterious lines outlined, forming a formation similar to the formation in the Yin Qi Pool below.

Half of it is about the same, but the other half has changed a lot, and after seeing it in the summer, after a little contemplation, it will be understood, and the face will be shocked.

"Senior Xia, what's wrong. ”

Seeing the changes in summer, Chenguang was startled and asked.

Since being besieged and killed by several powerhouses of the Ten Thousand Ghost Palace, Chenguang has also realized that he and Xia have fallen into an extremely dangerous situation, and if he is not careful, he may be afraid of his life.

Therefore, during this period of time, the morning light was very quiet, and he did not dare to disturb the summer a little, for fear of affecting his judgment, and in case of an accident, it would be too late to regret it.

"I think, I know the plot of the Ten Thousand Ghost Palace, it's really a big deal. ”

Summer looked solemn and exclaimed.

"Really, Senior Xia, have you figured it out?!" Chenguang was surprised.

"Well, let's see I sabotaged it. ”

Nodding slightly, Summer shot.

The star-shining long sword swung out and slashed into the pool of yin qi, and the strong yin qi in it tumbled up, a powerful power suppressed on the long sword.

The long sword roared lightly, trembling non-stop, and with irresistible strength, it finally slashed to the bottom of the Yin Qi Pool, and the formation above, a burst of inky black light flowed, fighting against the long sword, and in the end, it still cracked apart inch by piece.

Under the formation, it is still a formation, and the lines that make up the formation are even more mysterious, and all the materials are excellent things, and they are not something that can be taken out at random when placed in the hands of immortals at the level of immortals.

"Formation within formation. ”

The array in the formation is extraordinary, especially in the center of the formation, there is a diamond-shaped polyhedron the size of a basketball inlaid on it, and under the flickering of various colors, it finally converges into a black and faint brilliance.

"My guess is right, it's really to communicate with the Nine Shadows World. ”

With a solemn expression, Summer muttered to himself.

Compared to a random Zhongtian world with rich yin qi, the Nine Shadows Great World is completely different, not to mention that the quality of Yin Qi is too much, just the vast and ancient aura escaping from the Nine Shadows Great World can benefit the cultivators of the Ghost Dao and the Demon Dao a lot, and it is easier to break through the bottleneck.

"What, the Ten Thousand Ghost Hall wants to communicate with the Nine Shadows Great World!"

Chenguang was also shocked.

The prestige of the Nine Shadows Great World, Chenguang has heard of it, the top 100 worlds of the Heavens and Ten Thousand Worlds, as long as he thinks about it, he will feel shocked.

Chenguang imagined that if the Ten Thousand Ghost Hall really communicated with the Nine Shadows World, the realm of phantom demons, I am afraid that it would be really miserable, and I am afraid that soon, it will become another gloomy ghost.

The erosion strength of the Nine Shadows Great World is not comparable to that of a mere Zhongtian World, when the time comes, the Yin Qi will roll, if the big waves are monstrous, it will not be long before the entire Phantom Demon Realm will be occupied.

When the morning light was frightened and shocked, Summer struck again, grabbing the diamond-shaped crystal in the middle of the large array with one hand.

This diamond-shaped crystal is not an ordinary thing, but a treasure, called the Heart of the World, which is a crystallization produced after the collapse of a world.

This kind of world heart is very rare, the third-class world heart is just enough, and the second-class and first-class world hearts are not easy for some powerful people to get.

Some powerful immortals, the kind that do not have discipline, sometimes, in order to get a world heart, do not hesitate to destroy a small world.

In order to get a high-quality world heart, some strong people do not hesitate to destroy a small world with many lives and vitality, and often behind a world heart, there are countless blood and lives hidden.

This world heart in the Hall of Ten Thousand Ghosts is the heart of the world of the third-class lower grade, and it should be the kind of small world that has just been born, and it has not yet been fully generated and stabilized, and it has been destroyed for some reason, and it is the crystallization left behind.

In the previous life, the heart of the world of the third class was nothing to the summer, but now, it is a first-class treasure, and it should not be missed.