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In the phantom space where darkness and desolation coexist, the boundless black mist is filled, and the desolate land, the unclear swamps are all over, and if you don't pay attention to it, you will fall into it, and you can never get out.

Without the blessing of the source qi, Xiao Yan would naturally not be as unscrupulous as he came in before, but he was not afraid at all, not to mention Xiao Ao, even with his strong body, one punch was enough to smash an emperor-level monster.

In the vast fog between the two of them, there was the investigation of Xiao Yan's soul power, the scene in front of them was as clear as day, any swamp could be detected in advance, and the number of monsters was even smaller, and there was almost no obstruction, and the two of them came to the Wuyin vein again.

There are five major Yin veins in the phantom space, compared to the other four places, the Wu Yin vein is undoubtedly the most familiar to him, besides, he didn't think about going to the other four veins during Xiao Yanyuan's recovery, who knows if there will also be an ancient demon god who has been sealed.

Along the way, not a single monster jumped out of the canyon of the Wuyin Vein, which also made Xiao Yan sigh, this is the birthplace of monsters, there are still a few monsters, and in other places, I am afraid there will be less, this phantom space has indeed decayed.

On the plain in the middle of the canyon, the sea of blood is still extremely eye-catching, the waves are surging, and the blood bubbles are constantly exploding.

Xiao Yan did not disturb the existence in the sea of blood, and sat quietly cross-legged on the ground, his original idea was to enter that mysterious space again with the help of the blood eye, where the source qi was abundant and abnormal, but the source qi in it was just as Xiao Ao said, after hundreds of thousands of years, who knows what abnormal changes will occur, I am afraid it is not suitable for his cultivation.

Thinking about it, Xiao Yan flipped the palm of his hand, and a roll of dark yellow bamboo appeared in the palm of his hand, and in the bamboo slips, what was sealed was the Spirit Source Array, a formation that Xiao Yan had long forgotten.

When he first entered the academy, he used a third-level spiritual source array for his cultivation, which was also somewhat helpful for his cultivation, but after only a month, it was like chicken ribs, and the source qi required for the promotion of the Nether Dou Emperor was too large, and this spiritual source array was useless at all.

Later, he entered the valley realm, and the fourth-level spirit source array in it made Xiao Yan have a lot of surprises, at least it had an extremely obvious effect on him at that time, but this effect only lasted for less than two months, and then Xiao Yan was busy with various things, and gradually forgot about it, and after he entered the emperor, he directly forgot the existence of the spirit source array.

Unexpectedly, there is still one day to use it again, but this time, what Xiao Yan is holding in his hand is not a formation book engraved with a fourth-level spiritual source array, but a fifth-level spiritual source array.

Although the Spirit Source Array is a small formation among the many cumbersome formations, it also has a fine division of abilities, which is divided into nine levels in total, but the Spirit Source Array above the sixth level not only consumes a lot of materials, but also is cumbersome and abnormal, and has a single use, some formation mages in the world have long been no longer refining, and this fifth-level Spirit Source Array was obtained by Xiao Yan from the Great Elder, and it can be regarded as the only one in Yunluo Academy.

The fifth-level spirit source array can only be used for three hours at a time, and it requires 10,000 spirit source stones, such a consumption, even if it is placed in the academy, no one can use it, after all, only by killing a person at the god king level can you get 100,000 spirit source stones, even if it is the elite of the valley realm, each person has a net worth of millions of spirit source stones, and no one uses them.

The cultivation in the Spirit Source Array is only an auxiliary, what can really improve the strength is the powerful Spirit Soldiers and the breakthrough of the life and death line, and those powerful Spirit Soldiers and life-saving runes or pills, which one does not need a large number of Spirit Source Stones in exchange?

The purple Killing Talisman that can make the emperor's peak powerhouse seriously injured, one is that it requires one million spirit source stones, but the degree of welcome is much higher than these spirit source arrays, as some elders said, only the students who have just entered the academy like to run into the spirit source array, and those powerful students are all sharpening themselves outside and growing.

Before entering the phantom spirit space, Xiao Yan went to the Spirit Pavilion, the latter's current status, naturally he could easily see the few elders in charge of the Spirit Pavilion, after explaining his intention to several elders, Xiao Yan took out a finger-sized dragon beard green spirit ginseng, which instantly caused the shock of several elders, and then exchanged for nearly 500 million spirit source stones and left, leaving only a group of elders with a smile on their faces.

In Yunluo Academy, there are also many elders who have been at the peak of the emperor for many years, and they will use this dragon beard green spirit ginseng, I am afraid that there will be a few more imperial powers in Yunluo Academy at once, this kind of good thing, even if it is exchanged for more spirit source stones, there is no problem.

The fifth-level spirit source array in the array book, the great elder has already used the source qi to unfold it, and only a trace of source qi is needed to imprint it on the ground for use, although Xiao Yan does not have the slightest source qi, but there is no lack of methods, Xiao Ao essentially belongs to the holy beast lineage, the source qi does not know if it can be fused, and Xiao Yan did not let it make a move.

"Snort"

Crushed a five-pin pill, the majestic source qi overflowed from it, Xiao Yan put the array book on the ground, the source qi touched it in a diffuse, and in an instant, the golden light on the bamboo slip was sheng, and then it exploded, Xiao Yan left the place far away, looking at the golden light and gradually appeared a small formation phantom.

The golden light condensed, and a formation that could accommodate one person appeared in place, and the formation hummed slightly, as if it was colluding with the source qi of the outside world.

With Xiao Yan's vision, he couldn't see any difference between this fifth-level Spirit Source Array and others, he held his breath and concentrated at the moment, slowly stepping into it, as soon as he entered, he felt a trace of soft breath all over his body, and there was actually a trace of humming in the Origin Emperor Crystal, which had not moved for a long time.

Xiao Yan was overjoyed in his heart, sat cross-legged, and when the spiritual light flashed in his hand, an extremely pure spiritual source stone appeared in the palm of his hand, among which the source qi was pure, far beyond the ordinary spiritual source stone, such a piece was equivalent to 10,000 ordinary spiritual source stones.

Put the spirit source stone into the groove in front of him, and in an instant, with a violent fluctuation sound, an incomparably majestic source qi suddenly gushed out from the formation, and the source qi roared, dispersing the surrounding black mist, Xiao Yan sat in it, his mind was clear for a while, and the origin emperor crystal in his body, which had not moved for many days, also trembled slightly, and his limbs moved in unison, absorbing the source qi from the outside world.

Xiao Yan was happy in his heart, his eyes looked at his nose, his nose looked at his heart, and his ten fingers pinched out the seal formula, and in the meridians that belonged to the burning recipe in his body, the source qi that was drained into his body quickly entered the origin emperor crystal, and after refining it, he was about to enter the nine source qi chains that were about to dry up, the three blood marks on Xiao Yan's abdomen shook suddenly, and a trace of blood qi gushed out, and this pure source qi suddenly overflowed uncontrollably, and then disappeared.

Xiao Yan's expression did not move, controlling the meridians and continuing to absorb the majestic source qi, a bubbling source qi poured out from the origin emperor crystal like flowing water, and then it was absorbed by the blood mark, leaving almost no trace left.

Call...

Soon, three hours were about to pass, and the spiritual source stone in the groove was already full of cracks, among which the spiritual energy had been exhausted, Xiao Yan flicked his fingers, and another spiritual source stone flew out, and when it touched the spiritual source stone in the groove, the latter shattered and dissipated, and this spiritual source stone fell steadily into the groove, once again releasing a majestic source qi.

Xiao Yan's expression was solemn, the source qi in his body was absorbed by the blood marks one by one, and the spirit source stones were replaced one after another, always maintaining a state of surging source qi around his body, in order to use the endless source qi to make these three blood seals completely saturated and dissipated.

If it is an ordinary source qi, I don't know how many years it will take to dissipate the blood seal, but the source qi of yin and yang is not known to be many times more powerful than the ordinary source qi, and it only takes a short time, I believe that the three blood seals can be completely refined...