After making a small mistake, ye Zan changed his way of ingesting things in the blood vessel. He turned Ruyi into a long rope with claws and really flew to the depths of that blood vessel. In the blink of an eye, the long rope had flown out from the inside. A handful of red sand was caught on the claw at the other end of the long rope, and then floated to the eyes of the people.


    "What''s this? It looks very nice." Lin Limu came close and took a red sand from the flying claw and looked at it carefully. The red sand looks like small red pearls or beads polished with agate. It is crystal clear and emits a faint fragrance.


    "Well..." Ye Zan also just got some information. The expression on his face was so strange that he didn''t say the answer immediately.


    The memory information Ye Zan got from the extraterrestrial devil is only stored in the database of the auxiliary chip, rather than directly added to his brain memory area. After all, the memory in the brain memory area is related to a person''s temperament and habits and many other factors. If you insist on adding other people''s memories to your own brain memory area, it will certainly be affected.


    Therefore, whether it is the memory information of extraterrestrial demons or the memory information of others obtained by Ye Zan before, they are stored in the database of auxiliary chips like computer storage. As a result, when ye Zan needs to use some information, it is impossible to see something to stimulate his memory, but to search the database by means of retrieval.


    For these red sands found in the blood vessel cave, ye Zan also looked for relevant information in the database after seeing and taking them out. Of course, the retrieval process is very fast, but no matter how fast it is, it will take some time, especially when it is not a ready-made result.


    "Brother ye, look at your expression. Isn''t this a good thing?" when he saw Ye Zan''s performance, Lin Mu Dun asked suspiciously.


    "Ha ha, it''s nothing. Of course it''s still a good thing. But you may not want to know the origin." Ye Zan smiled and shook his head, turning Ruyi''s changes into a basin. He just filled the red sand in it and showed it in front of everyone.


    Lin Limu was obviously dissatisfied with Ye Zan''s response. He put the red sand in front of his nose, sniffed it carefully, and urged Ye Zan: "brother ye, you go on! What''s the origin of this thing? Why don''t I want to know? Is it difficult? What disease was it caused by an evil demon that day? That''s nothing!"


    "Taoist friend, since you know, please tell me. I also want to know how this thing came from." the supreme Taoist yuan couldn''t help being curious and asked Ye Zan after the trees.


    Ye Zan glanced at the crowd. In fact, not only the supreme Taoist yuan and Lin Limu wanted to know the answer, but also the other faces were full of curiosity. Of course, he didn''t want to hide it from the public. It was just a joke to arouse people''s appetite. What should be said at the end is still to be said.


    "Well, since everyone wants to know, I''ll tell you directly." Ye Zan''s helpless expression seems to regret that his good intentions are not accepted by the people. Then he points to the basin of red sand and says to the people, "the origin of this thing is not strange. We all saw it before. Is there a nest of insects in the blood vessel cave?"


    "This thing has something to do with insects?" Lin Mu frowned, then showed a sudden color, threw the red sand back into the basin, and said to Ye Zan, "this thing can''t be that? Brother ye, you''d better stop talking, and I don''t want to know the answer!"


    Ye Zan has mentioned insects, so there is no need to continue to say the origin of these red sands. Everyone who has some common sense of life can actually guess what the relationship between red sand and insects is at this time.


    However, I wanted to know before. Now I can''t listen if I don''t listen! Ye Zan ignored Lin Lin''s words, grabbed a handful of red sand with a bad smile and continued: "Mumu should have guessed it, but I''d better make it clear to you. Those insects live here, regardless of what happens later. At least they don''t have to worry about eating and drinking at the beginning. Regardless of what it is, as long as it''s not the legendary dog, they have to eat... So this thing is actually the excreta of those insects. In short, it''s insect shit."


    "Ah! Brother ye, why did you say so clearly? It''s really..." the tree screamed, rubbed the hand pinching the red sand back and forth on his body, and said to Ye Zan with deep resentment: "brother ye, you''re on purpose! I took it all at first, but I... Smelled it, but fortunately I didn''t lick it..."


    Of course, among the people, trees will make trouble.


    After listening to Ye Zan''s answer, others will feel a little uncomfortable, but they will not exaggerate like trees. After all, regardless of how the red sand came from, at least it still looks clean and has no disgusting smell. More importantly, from the power fluctuation emitted by the red sand, it definitely has great application value.


    "Although this thing is the excrement of insects, those insects grew up drinking the blood of demons outside the sky. It''s like insects in fruit. It just seems that they feel isolated in their hearts. In fact, it''s not as disgusting as they think." Ye Zan explained to Lin Limu with a smile, but it was also said to others.


    People have a natural aversion to insects. They are used to equate them with dirt and think that insects are a dirty and disgusting existence. But when you think about it, the insects in rice noodles grow up eating people''s rice noodles all your life. Where can they really be dirty. There are insects in fruit. If you eat fruit, people also eat fruit, and people have nothing to eat except fruit. How dirty can it be.


    Of course, what we are talking about now is not the problem of insects, but the excreta of insects. But in fact, although human beings instinctively reject excreta, they also have a wide range of applications for all kinds of excreta. The most common is the so-called farmyard manure. After all, there is a layer between them to make fertilizer. At least it can be said that the crops filter the excreta. Then, the excreta used in some prescriptions really makes people eat "shit".


    "All right, all right! Brother ye, you''re right. Let''s stop talking about excrement and say what the use of red sand is." Lin Limu said helplessly.


    "Well, I don''t know how this thing came from. Anyway, it can be regarded as the blood crystallization of external demons that day. Moreover, after being decomposed and filtered by those insects, the power of those external worlds has been filtered out, and the rest is pure life power. More directly, this thing can be used to refine elixirs, especially to increase longevity or repair meat Ye Zan speaks out the function and value of this kind of red sand without concealing anything, and does not deliberately belittle it.


    "In this way, this thing is really a good thing." the supreme Taoist yuan nodded and had a general evaluation of the red sand in his heart. Even though their Tianji Pavilion is based on the inheritance of mechanism and art, they are no different from other monks in terms of life expectancy. Who doesn''t want to live forever.


    According to Ye Zan, this red sand can be used to refine the pill for increasing longevity. Although the Supreme Master of Daoyuan and the Supreme Master of Shenji can''t use it, there are still some disciples in Tianji Pavilion. You know, sometimes, a few more years of life may have a significant impact on a monk''s life. Perhaps, a person is only a few years away from breaking through the realm. These years can go further. Without these years, he can only die.


    However, Tianji Pavilion is based on mechanism art. Naturally, it has made little achievements in alchemy. Therefore, even if they get a part of red sand, it is difficult to change it into the desired pill. What''s more, this thing is produced by evil spirits outside the sky. There may not be any records of the use of the existing danfang, so we have to deduce a suitable danfang again.


    "Taoist friend, my Tianji Pavilion is good at mechanism art, but I don''t have any inheritance of alchemy. I heard that Taoist friends have high attainments in alchemy besides refining thousands of miles. Therefore, if I can, I hope to have a chance in the future to ask Taoist friends to refine several heats of pills for my Tianji Pavilion." the supreme Taoist yuan doesn''t care much about his face, He not only frankly revealed his shortcomings, but also wanted to make an appointment with Ye Zan to refine pills in advance.


    "Oh, you don''t have to do that, sir! With the relationship between you and my family, as long as you need it, refining several heats of pills is nothing." Ye Zan promised happily.


    Of course, it''s not time to talk about the specific details. After all, they are still in the forbidden area. Moreover, up to now, they have only explored a leg bone and a blood vessel of the exorcism. The body of tianwai demons is so huge. What they should consider now is not how to refine pills and treasures, but how to move these things back.


    Ye Zan first picked up the basin of red sand on behalf of the people, and then continued to explore the blood vessel cave with the people. Due to the discovery of red sand, when people explore again, they also have a specific exploration goal. Moreover, it is basically certain that there should be nothing other than red sand in this blood vessel cave.


    After some exploration, they returned to the hole of the blood vessel cave. Sure enough, they found only a large amount of red sand.


    This red sand is the life crystal excreted after the insects devour the residual blood in the blood vessels after the tianwai evil devil died. After the devil''s body was torn apart, most of the blood must have flowed away. The remaining residual blood was filtered by the insects. In fact, there was not much red sand left.


    However, the more and less depends on how to compare. At least from ye Zan''s point of view, there are a lot of red sand that can collect more than ten kilograms. Judging from the life force in the red sand, even without refining, it is simply a red sand like a small pearl, which is enough to increase a person''s life by ten years. More than ten kilograms of such red sand is only the income from this part of the residual body, which can''t be said to be less.


    Moreover, ye Zan and others also thought of a question, what about the blood flowing out of the residual body? Before, when they first came in, they were attacked by a large number of long black insects. Now they know that those insects are the same as those in the blood vessel cave. That is to say, the long black insects outside should not only flow out with the blood, but also feed on the blood.


    As the saying goes, "if you eat, you have to pull". The long black insects outside should also excrete this kind of red sand after eating the blood of demons outside the sky. Therefore, if you carefully explore this area, it should be very possible to find the nest of those black long insects and then find their "toilet".


    "In my opinion, we''d better first explore the other remains of the demons outside the sky. It''s not too late to clean up the possible red sand outside." after consideration, ye Zan said to the Supreme Master of Daoyuan and several others.


    "Well, according to the words of Taoist friends, those things can''t run away anyway. It''s better to eliminate the threat first." the Supreme Master of Daoyuan agreed.


    A bone, a mud monster with bone marrow variation. A blood vessel with disgusting black parasites. This is just a small remnant of the devil outside the sky. So, what kind of mutant monsters will there be in the larger, other parts of the body? No one is sure now.


    Therefore, if you want to really put these things in your pocket, you must first eliminate those possible threats. It''s like a war. You have to defeat the enemy before you can count the booty. You put the enemy aside and run to count the spoils yourself. You really don''t know how to write the word "death".


    "OK, let''s search and clean up places like this first, and then clean up the main trunk parts and heads." Ye Zan said his exploration plan very simply.


    Therefore, according to Ye Zan''s plan, the people began to continue to explore the forbidden area and explore the remains of those demons outside the sky. Moreover, in the next exploration, the group mainly cleaned up monsters and basically didn''t collect anything. Anyway, these things won''t run away until they are completely cleaned up. At that time, the whole rock shell will be stripped off and moved away.


    Although it is said that it is easy first and then difficult, the body of the evil devil outside the sky is so huge that it will take some time to clean up. Ye Zan and his party cleaned up the "mountains" one by one. In the middle, they should have a proper rest to maintain their combat strength, so as not to be difficult to deal with emergencies. Therefore, it took more than ten days for ye Zan to finally clean up those small bodies and come to the trunk that was broken in two.


    "The left should be the chest of the devil outside the sky, and the right is the lower abdomen. Which part shall we explore first?" Ye Zan asked the crowd.