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The essence of the blood crystal is a lumpy crystal that contains the essence of flesh and blood, and is refined by the method of purification.

This thing can only be extracted from the body of the Cun Zài, which contains a particularly strong blood qi and a strong flesh and blood body, for example, in the past, Li Wan killed the Seven Star Demon Spider, which was also a demon king level monster, but there was no real flesh and blood on the body, so it was difficult to refine.

Just as gold, iron, copper, zinc, aluminum, and other things are all metal things, this thing is actually similar to the blood spirit heart that Li Wan placed on his body at this time, and they are all treasures such as flesh and blood Jing Yuan!

The blood crystals that appear here, no need to ask, of course, are extracted from the corpses of those demons, but Li Wan remembers that it is not the flesh and blood of the demons, it can be refined into this thing, and it is not a grade, cultivation, it can be refined enough, presumably those monks who collected the spoils of war extracted a lot of demon kings and great demon hearts, and spent a lot of thought before refining it.

"Extracted from the corpse of the demon king, due to the sufficient flesh and blood Jing Yuan and vitality, the purity of the whole blood crystal is sufficient, and the process of condensing and crystallizing is not easy to mix with impurities, and the quality obtained must be a high-grade blood crystal, worth two or three thousand spirit jade.

Extracting from the corpse of the big demon, it is inevitable to extract ten or even more than twenty or thirty corpses of the big demon, and even lift it from the top of the stump and broken arm, the concentration and purity are far from enough, and the quality of Jing Yuan is also far from enough, so it is refined into a medium-grade blood crystal, which is worth more than 1,000 two thousand spirit jade.

And to extract from the little demon corpse, it is inevitable to extract more and mix it together, the quality is worse, and it is more difficult to refine, in a hurry, it is also to go with the flow, refining into a low-grade blood crystal, worth one or two hundred spirit jade. ”

Blood crystal is also a kind of treasure material, or a treasure material that must be used to refine some special magic weapons, Li Wan is familiar with the treasure material chapter of the "Instrument Sect Canon", and naturally knows it in his heart.

He looked at Uning and asked, "Where are those blood crystals?"

Wu Ning said: "Here, I just thought that the proprietor might have to personally check the quality of these treasures, so I brought a few pieces up. ”

Li Wan smiled: "You have a heart, I really want to take a look." ”

He asked Wu Ning for a few samples, and sure enough, he found that they were all blood-red crystals the size of eggs, and the whole body was as crystal as jade, and these blood crystals that had just been condensed still had a warm and lustrous texture, and a faint smell of blood lingered on the tip of his nose.

Among these pieces of blood crystals, the flesh and blood jing yuan contained in the above blood crystal is the richest, and the quality is also the highest, the middle grade blood crystal, the utility and the purity of jing yuan, are probably only one percent of it, and the lower grade blood crystal, although the individual is not inferior to the top grade blood crystal, but the whole body is dark red, and the luster is also dull and unpretentious, it looks like a piece of flesh and blood, and the taste is also mixed with fishy and scorched, jing yuan's purity, and it is also about only one percent of the medium-grade blood crystal.

However, even if it is the lowest quality blood crystal, it is also unattainable, because it requires a lot of killing to extract, in normal times, where do monks go to refine so many blood crystals, most of them are extracted by the way after killing the enemy, if the quality is really good, use it yourself, or transfer it to the refiner you know, if the quality is not good, or the flesh and blood are lost, it is not necessary to give it to people for nothing!

However, when it comes to these blood crystals, Li Wan is also happy.

"This blood crystal, but it's a really good thing, refining a lot of spiritual treasures, exotic treasures, you need the method of blood sacrifice, blood element cultivation, in addition to plundering and killing living beings everywhere, it is maintained by it!"

In the cultivation realm, there are many strange magic weapons, such as soul bells, spirit cards and other things, which contain fierce spirits and demon souls, and they need to be raised by this blood crystal.

These blood crystals are equivalent to food like spiritual jade.

Of course, the spirit jade can also replace this thing, but it will cause many problems of missing Jing Yuan, the power is greatly reduced, and the fierce spirits, demon souls and other things that are raised are also easy to lose their spiritual intelligence, become wooden and dull.

The flesh and blood of living beings, after all, is not completely replaceable by aura, unless it is a pure primordial spirit body with a very high life character and grade.

Wu Ning said: "There are three high-grade blood crystals in here, which are extracted for free. ”

"Oh?" Li Wan looked at the account book and found that it was indeed as he said.

Wu Ning said: "The proprietor has killed a lot of demon kings and big demons, but most of them have been crushed...... However, the rest was picked up by the loot hunters, and Steward Xiao asked them to hand over your due, and they didn't have a problem. ”

Li Wan bowed slightly: "Xiao Daoyou has a heart." ”

He was still satisfied with this distribution, with his current status, he didn't need to snatch the spoils of war from those ordinary monks, but it didn't mean that he should give it to people casually for free.

He cares about everyone having to follow the rules, and he doesn't care about how much or too little.

Li Wan put away a total of eighty-eight blood crystals, five of which were top-grade blood crystals, ten were medium-grade blood crystals, and the remaining seventy-three were all low-grade blood crystals. After Wu Ning left, he asked the two girls to close the door and wait outside, then took out the Red Crow Divine Fire Fan from the Qiankun bag, and then took a piece of medium-grade blood crystal, trying to awaken the machine spirit and absorb it.

I saw that in the originally bright room, a faint red light flashed, and a fluttering body of the Blood Sea Fire Demon Jing Soul rose like a bonfire.

When it smelled the scent of blood crystals, it quickly became agitated and leaped to the ground.

Li Wan smiled slightly, let go of the blood crystal in his hand, and the fire demon Jing soul hurriedly snatched it, and a red light shrouded in the air, and the middle-grade blood crystal seemed to be constantly burning, and billowing smoke came out.

The smoke did not disperse, but like a red snake, it all burrowed into the mouth of the Blood Sea Fire Demon Jing Soul, and the hideous and distorted strange face bloomed with a satisfied smile, and then sent a flattering and begging thought to Li Wan.

Li Wan ignored it, but gently knocked on the handle of the fan.

The Red Crow Divine Fire Fan trembled slightly, and this instrument spirit could not withstand the restraints of the treasure body array, and with a strange cry, it retracted inside.

It's not that he is reluctant to give up this blood crystal, but it is useless to absorb too much, and it has to be refined and absorbed.

At this time, Li Wan suddenly remembered that there was still a treasure in his bag that could use this blood crystal.

Soul Nourishing Cloth!

"Now, this evil Dao holy weapon can also be cultivated faster. ”

Li Wan was extremely satisfied, and summoned Mi Yan again: "Send a message to Wu Ning, and bring me the scattered cultivation to refine these blood crystals." Don't make a noise about it, just let him do it alone. ”

This thing is sought-after and bloody, and he doesn't plan to buy it publicly, but privately contacts some loose cultivators to collect it.

In the second half of the night, the hustle and bustle in Huoyan Mountain City finally gradually subsided.

Although the monks' strength is far beyond ordinary people, they are still accustomed to meditating and cultivating at night, or lying in bed, and they all go back to the Jing house in the middle of the night.

In the wilderness, there are still demons wandering, and the faint pupils are like ghost fires fluttering in the dim night, and some of the deacon disciples who are responsible for patrolling and guarding are watching from a distance, guarding against the invasion of demons above the big demon.

Suddenly, in the night sky in the south, there was a gust of wind.

"Who?"

One of the guards raised his head consciously, but only saw that it was the unique streamer of the Terran monk when he flew with the retreat weapon, and it was not a demon, so he unconsciously relieved himself.

"It should be Steward Yi and Steward Zhang, they are back, let's go, let's go up and have a look." ”

"Be careful. Someone reminded.

"It's okay, let's fly higher, the little demon can't jump up, the big demon is coming, and there is enough time to react!"

These people are already very experienced, and their mood is also relaxed.

A few people flew away from the castle, guarded by a magic circle, and greeted those who had returned.

But when they got closer, they were stunned.

These people were indeed the hunting team that followed Steward Yi and Steward Zhang out, but they did not return from a great victory as expected, but they were like the remnants of a defeated battle, disgraced and covered with scars.

Looking at the team again, the figures seemed to be a lot sparser, and when they set off, there were obviously about 300 in the team, but it turned out to be in their early 200s.

"Easy to manage!"

The few people who came up looked at the starlight and saw the sluggish Yi Guan in the crowd, and couldn't help but be taken aback.

Steward Yi is the town guard steward of Huoyan Mountain City, although he has long retired from the position of deacon, but in his early years, he was a monk in the late stage of foundation building, and his strength is very strong, even far better than ordinary inner court disciples who come out to travel.

Such an experienced man, who has many deacons to protect him, should not be injured in such an operation, but what everyone saw was that he was carried by two people, and he flew together, and on his chest, a thick blood streak swept down, and the large pool of blood stained his clothes red, and it was shocking to see it.

"Steward Yi, what happened, why are you all injured, and what about the others?"

Among these people, some of them were deacon disciples of Qingyao Palace, and they all knew each other, and when they saw this, they hurriedly asked with concern.

"By the way, why isn't Steward Zhang here?"

"Don't ask so much yet, quick, go back and inform the city and open the big array, otherwise it's too late!"

"What, open the Great Array?"

However, all the Lingfeng, Cave Mansion, Lilian City and other places have a complete guardian array, once opened, all over the city, will be shrouded by strict prohibitions, and become a strong and safe place of refuge, which is used to fight against the enemy, which is greatly advantageous.

However, these large arrays usually only inspire some jing, and the forbidden function of communication will not be fully opened, because once they are fully opened, the spirit jade consumed every day will be at least hundreds of thousands, which is equivalent to the expenses of a monk in a year! In those big sects, the Zhenshan Great Array that envelops the entire mountain gate costs as much as tens of millions, hundreds of millions! Even if it is located in the blessed land of Lingshan with abundant spiritual energy, it is a bottomless pit that is difficult to fill if it can absorb spiritual energy from between heaven and earth by itself!

The disciples guarding here have already had experience, and once they reach the point where they have to open the Great Array, it will be a really critical moment, and they will immediately have to ask for help from the outside.

"Roar!"

The disciple was just about to say something, when suddenly, an earth-shattering roar interrupted his answer, and the terrifying qi that rushed to the sky, like a sea cháo, rolled towards this side.

Everyone suddenly turned pale for a while.

"It'...... It's catching up!" (To be continued.) )