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Zhang Han guessed in his heart that most of it had something to do with his cultivation not reaching the immortal real person, although his soul was strong enough, but compared with the immortal real person, there was still an essential gap, and it was not a level at all!

Zhang Han got up, left the cultivation secret room, and went out, just in time to see the boy walking here!

When the boy saw Zhang Han, he was not surprised to find Zhang Han and see him, but seemed to have known that he was coming, and he couldn't help but admire in his heart, the disciple who could be favored by Elder Fengchen was really not simple!

"Senior Brother Zhang Han, the elder told you to go to the Hall of Elders!" The boy was respectful, but neither humble nor arrogant!

"Okay, I see, let's go!"

Zhang Han didn't say anything, and left directly with the boy!

The Hall of Elders of the Sealed Dust Elder is still the same, neither luxurious nor rustic, and the layout is very simple, but everything is not ordinary.

After the boy took Zhang Han to the Hall of Elders of the Sealed Dust Elder, he let Zhang Han go in by himself.

Zhang Han entered the Hall of Elders, Elder Fengchen had not yet arrived, Zhang Han was not in a hurry, he stood under the hall and waited, while watching the layout of this Hall of Elders, but he didn't let Zhang Han wait long, Elder Fengchen walked out of the side hall!

"Master!" Zhang Han hurriedly saluted!

"Hmm!" Elder Feng Chen smiled and nodded, "How's the preparation?"

"It's always available!"

Zhang Han said this, and at the same time, his heart moved, and he took out a small bottle, which was the bottle containing the blood of the unicorn last night: "Master, this time the apprentice got a little blood in the Great Wilderness Seal, this is the apprentice's filial piety to the master!"

"Blood?" Elder Feng was stunned. A faint smile. I wanted to refuse. With his current status, there is no shortage of these ordinary precious bloods, and even if he needs them, he needs the blood of demon beasts from at least the late stage of the Martial Realm to the realm of immortal real people, and the effect of ordinary precious blood on him is already very small, but when he saw the bottle handed over by Zhang Han, he was immediately moved!

"It's ......"

"The blood of the fire unicorn!" Zhang Han replied!

"Fire ...... Fire Kirin ......"

Zhang Han clearly felt that Elder Fengchen's voice was a little trembling, and there was disbelief.

"Show me!" Elder Sealing Dust took the bottle in disbelief. Cautiously opened it to see, and suddenly a powerful energy escaped out, just those escaping energy in the air, he felt a lot more energetic when he breathed, and it seemed that the energy in his body had increased, even if the cultivation of Elder Feng Chen, he could not resist the temptation!

"This ...... Is it really the Blood of the Fire Qilin?" Elder Feng Dust was unbelievable, the Fire Qilin, at least it was also a super storage at the level of the Dao Realm, every Demon Beast at the level of the Dao Realm. Its precious blood is amazing, and you can benefit a lot from just drinking a small sip. And the blood of the fire unicorn is even more precious!

The fire unicorn can no longer be regarded as an ordinary demon beast, it is already an ancient relic, although it is said that the bloodline is not so pure, but it is already very remarkable compared to ordinary demon beasts!

As for the real ancient relics, or the ancient relics, Elder Fengchen couldn't believe it at all, the real ancient relics, their strength was too terrifying, just a primeval relic could slaughter human powerhouses of the same level, because they all had the ancestral blood of their ancestors in their bodies, and some even had the divine blood of their ancestors, it is rumored that in that very long ago, some real pure-blooded beings had ignited the divine fire and become the existence of the gods!

And the bloodline of that super existence zài has also undergone essential changes, so that their descendants will have that special bloodline, and the fighting power of the creatures with that special bloodline will soar, which is not at all comparable to the ordinary human powerhouses, the so-called pure-blooded creatures, that is, they have the bloodline of their ancestors, the kind of bloodline is pure and flawless, without the slightest impurity, that kind of creature, its combat power is very terrifying!

And the primeval relics, in fact, in the long, long primeval years, some pure-blooded creatures and ordinary beasts and monsters and so on, and then the race born, such a race is called the primeval relics, although it is only a relic species, but its combat power is not comparable to humans!

It is also because of this that the blood of the relics is very difficult to find, and it is almost necessary to surpass that level before you dare to hunt it, otherwise not only will you not be able to hunt it, but you will be killed by it, which will be a big loss!

Below the primeval relics, there are also ancient relics, the so-called ancient relics, in fact, they are the races produced by the primeval relics and other ordinary beasts and monsters, etc., the bloodline is relatively not so pure, and the combat effectiveness and so on will decline to a certain extent, but it will only decline compared to the ancient relics, and it is still a super existence compared to humans, and it can slaughter a large group of human powerhouses of the same level, this is the strength of the relics!

And the blood of the fire unicorn is the blood of the ancient relics of the fire attribute, although it is not the ancient relic, but it is not simple, the fire qilin in adulthood, even if it does not need to be cultivated, it will grow up slowly, once it reaches adulthood, at least it is the storage of the level of the Dao realm, if the individual is special, if they are very talented, and practice diligently, maybe when they reach adulthood, it is very likely that they have reached the level of super storage that has surpassed the level of the Dao realm!

A drop of blood from the relict seed is likely to change a human physique, or even directly improve a person's cultivation, etc., the effect is too great, and it is also why Elder Fengchen is so excited!

"Zhang Han, you gave me all this, what about you?" Although Elder Fengchen wanted such a precious blood very much, he would not lose his mind because of this!

"This is a disciple to honor the master, please accept it!" Zhang Han replied respectfully, counting it, the care that Elder Fengchen gave him was far more than this small bottle of Fire Qilin Blood, if it wasn't for Elder Fengchen, Zhang Han wouldn't even be able to enter the inner gate of the Great Dao Sect, let alone enter the Great Wilderness Seal later, at that time he was in retreat and cultivation, and he didn't know anything about the outside world at all, and Elder Fengchen not only helped him sign up, but also made everyone wait for two days for him alone!

"Okay, good, hahaha......"

Elder Feng Chen laughed excitedly. For this apprentice. The more I look at it, the more satisfied I become. There are not many apprentices who can think about the master!

"Let's go, I'll lead you to the Cave of Healing!" Elder Fengchen said, and then led Zhang Han towards the Cave of Transformation in his mouth!

Along the way, Elder Feng Chen seriously explained to Zhang Han the origin and some functions of the Cave of the Underworld, and after Elder Dust's explanation, Zhang Han also understood what the Cave of Darkness is, the so-called Cave of the Void. In fact, it is the enemy's tomb, the enemy's burial place, the so-called burial, in fact, it should be said that it is a place where bones are piled up, whether it is a powerful demon beast or a human being, etc., after suppressing it, it is directly thrown into the cave of the underworld, and it is tortured to death, and the evil qi inside is very heavy.

Zhang Han was awe-inspiring when he heard this, threw a person into it alive, and then tortured him to death. How cruel was that? He couldn't imagine a man being tortured to death. What kind of torment is it, it is estimated that it will be the kind of life in the real sense that is better than death, you can't survive, you can't die, it's scary to think about it!

However, between some real hated enemies, this kind of thing should still exist, kill the enemy directly with a knife, that would be too cheap for that kind of person, the real want to take revenge, not to kill the enemy with a sword, but to catch him, torture him fiercely, so that he can't survive, can't die, that can make people happy!

After Elder Sealing's explanation, Zhang Han knew that one of the effects of the Cave was to fuse the golden bell inside, and fuse the golden bell with the help of the evil qi inside, Elder Sealing Dust did not explain why he needed to use the evil qi inside, Zhang Han asked, Elder Sealing Dust did not answer, it is estimated that Elder Sealing Dust himself does not know, although Elder Sealing Dust is knowledgeable, he is not omniscient!

It didn't take long for Elder Fengchen to take Zhang Han to a stone cave in the forbidden land, the entrance of the cave was sealed by a stone door, even so, Zhang Han could still feel a terrifying whining sound inside, that kind of sound made Zhang Han creepy!

"Remember, don't go too deep, the deeper you go, the heavier the evil qi will be, and when you reach the deepest depth, there are likely to be evil spirits, as long as you don't go deep into the deepest depths, those evil spirits will not appear!" Elder Feng Chen's warning was stern: "When you feel that the evil qi is suitable, you will cut the skin of your body and put the golden bell in it, well, any place can be, where it is fused, it will be strengthened, it is a partial improvement!"

"Yes!" Zhang Han replied respectfully!

"Here are two golden bells, remember, if you can't fuse, stop immediately, otherwise it will cause damage to your soul!"

"Yes!" Zhang Han listened carefully, hesitated in his heart, and still took the two golden bells, although he brought a lot of golden bells himself, but this was the master's intention, most of the golden bells he handed over were to be handed over to the inventory in the sect, not the dust sealing elder alone, these two must have been won by the dust sealing elder for him!

"What's more, no matter how hard it is, no matter how uncomfortable it is, don't let yourself pass out, otherwise all your efforts will be wasted!" Elder Fengchen warned again!

"Yes, I understand!" Zhang Han carefully remembered these precautions!

"Okay, you can go in!" Elder Fengchen said, gesturing to the white-haired old man sitting cross-legged in a low house next to the Cave, and he didn't know what the white-haired old man had done, the stone door of the Cave slowly opened, and suddenly a yin wind blew, making Zhang Han couldn't help but shiver.

"It's terrifying!" Zhang Han was frightened, looked at the old man sitting next to the Cave, clenched his fists slightly, and regardless of whether the white-haired old man found it or not, Zhang Han strode towards the Cave.

As soon as he entered the Cave of the Underworld, an astonishing aura suddenly rushed to his face, even if Zhang Han was no longer weak now, he couldn't help but tremble a little, the two trembled, and there was an urge to escape from this place.

"It's amazing, it's terrifying!" Zhang Han was surprised, it was hard to imagine how many people or demon beasts had died here, I don't know what level of existence the dead creatures were, and I don't know how terrifying the torture those creatures endured in this, but Zhang Han can imagine that most of those creatures are worse than death, they can't survive, they can't die!

"Huhuhuhu......" Zhang Han continued to walk inside, only to feel a gust of wind blowing, making a whirring sound in his ears, which made people's hearts tremble.

This cave, almost a square deep hole, almost parallel to the ground, curved, wide and high are three or four meters, width and height are at least three or four meters, the highest Zhang Han even saw dozens of meters high, and occasionally you can see glowing crystals, those can barely be regarded as gems, but it doesn't have much effect, the only role is good-looking, can be used for lighting, and the role used here is for lighting, so that it is not completely dark here......!