The smelting and calcination of refined iron ore is not as difficult as expected, even if the conditions in Xueyun wasteland are simple. Chen Hai has long found a kind of limestone powder in Xueyun wasteland, which can be mixed with iron concentrate to produce refined iron, but he didn''t think about doing this in Xueyun wasteland before.

    After collecting some iron refined stone and limestone powder, Chen Hai took Yao Laogen and other blood slaves to open a stone trough in the hard black granite to drain the fiery magma of the magma lake into a shallow stone pit not far away.

    The magma lake near the rift valley is too hot. Even if the magma is drained to the stone pit three or five hundred meters away, it doesn''t have to be cooled. The hot air roasts the blood scale skin of Chen Hai puppet and Yao Laogen and other blood slaves. With their strong flesh, they can''t bear squatting beside the magma pit for a long time.

    Chen Hai and his team took the rift valley as a hiding place because they saw the hot lava lake and the intricate terrain around them.

    Chen Haili uses the huge skull of a demon as a crucible for refining refined iron -- in a short time, he can only follow the simplest way -- place it in the hot magma, pour the crushed refined iron stone and rock powder into it, melt it, and soon burn the molten iron, pour it into the stone nest to cool it into an iron ingot, and then further remove the impurities, It can be used to forge swords, halberds, spears and iron arrows.

    Of course, Chen Hai can''t stay in the blood cloud wasteland at any time. At this time, he just personally demonstrated the process of smelting iron refined stone to Yao Laogen and other blood slaves; Next, Yao Laogen had to make enough refined iron himself, and Chen Hai hid in the cave to "latent repair", just keeping in touch with the blood cloud wasteland through the Snake Bracelet.

    Yao Laogen and other blood slaves are Wuwei level Luocha demons. Their intelligence is no worse than that of ordinary people. Only when they were reincarnated to the blood cloud wasteland through the death array, their memory was so incomplete that they seemed to have only fighting and predatory instinct, but they showed great interest in the new knowledge taught by Chen Hai.

    They not only have a strong fighting instinct, but also have an extremely strong physical body, and their ability to absorb new knowledge is also very fast.

    During this period of time, Chen Hai also taught Yao Laogen blood slaves some basic essentials of basic footwork, footwork, boxing, palm, battle halberd, shield halberd fighting and archery. They all have strong fighting instincts and master these very quickly, so that Chen Hai dare not teach them too many movements for fear that it will be difficult to control one day.

    Chen Hai has controlled eight blood slaves at this time, but it is also his limit at this time. It seems that the puppets need to become stronger, so that he can control more blood slave spirits through the secret phase of Luocha demon condensed by knowing the sea.

    In addition to these, Chen Hai also made bone shields and halberds for blood slaves by using the residual bones of existing demons. He also refined simple armor by using the killed Wuwei level Luocha magic scale skin to equip Yao Laogen and other blood slaves, instead of fighting with sharp and solid claws and teeth as before.

    Next, Chen Hai will practice the battle array of joint attack with blood slaves. If they become stronger, they will be sure to go to the martial arts school level Luocha devil.

    It''s a pity that in the blood cloud wasteland, there are almost no separated martial arts school level Luocha demons at this time, and Chen Hai and they are not qualified to select a large group of Luocha ghost groups for the time being.

    On the fifth day, the school palace officially announced the list of county disciples who passed the Wei election.

    In addition to the interruption of special years, since the founding of Yan Dynasty, the list of green birds on the spring wall has been published every five years, which can be said to be a grand event comparable to the heaven worship ceremony in Yan capital.

    Thirty two disciples of taiweizong passed the Wei election, and Chen Hai ranked seventh in the Green Finch list of Chunwei. Together with Zhou Jun, Chen Qing, three disciples under the command of the Marquis house of Zhaoyang Pavilion passed the Wei election. As for the eight classics of the patriarchal power, tinghou is the lowest level, but Zhaoyang tinghou''s house is dazzling enough this time; Even for the Dong family, this time only Yuecheng Princess Dong Ning was able to stand out and win the 56th place in the general list of Chunwei green birds.

    As usual, the Tianshu court will post the list before the prefectures enter the envoy''s house, and also post an additional list in front of the gate of the bingjiapu in Tieqiao lane for the whole city to watch.

    On this day, Zhou Jingyuan also completely opened the door of the soldier''s armour shop and welcomed the Hexi business travel who lived in Yanjing to congratulate... Although Chen Hai is not used to greeting and sending, he has to stand respectfully in the yard and accept the congratulations of Hexi business travel and others on this day.

    In these five days, he received many banquets, but Chen Hai stayed in the armour shop in Tieqiao lane.

    In addition to concentrating on cultivation, only in Tieqiao lane can Chen Hai sneak into the blood cloud wasteland at any time without worrying about anything.

    Yao Laogen and his men all have extremely strong bodies. Once they master the basic technology of smelting refined iron, they can smelt refined iron and forge weapons very quickly. In five days, they can forge more than 90 iron spears and hundreds of iron arrows.

    The iron arrow is specially made for Chen Hai. The arrow cluster is made of the tusks of the Luocha devil hunted in the past. It is extremely sharp; Yao Laogen and other blood slaves were more used to throwing iron spears simply and rudely.

    In the past, they used to grind the remnant bones of demons into sharp bone spears, but if they wanted the spear blade to be extremely sharp and strong, they could easily pierce the scale skin of the Wuwei level Luocha devil, which was comparable to the top-grade spirit armor of the Yellow level. They had to choose the whole remnant bones of demons for grinding, which took too long.

    The bone spear is thin and long. It is still difficult to bear the huge force and is easy to break. It is greatly consumed in the fierce battle with other Luocha ethnic groups.

    Now it''s simple. They only need to select a small remnant of the demon to grind the spear blade, and the main spear rod is directly cast with refined iron. The efficiency is not known to be many times higher than before.

    Although the spear rod made of refined iron is easier to break, Chen Hai and his team use this kind of iron spear as a disposable consumable. They only need to ensure that the spear blade is sharp enough.

    The six foot long iron spear has a blade made of the remains of black and green demons. Such an iron spear can only be regarded as a short spear for throwing for blood slaves more than a foot high. The spear rod made of refined iron is enough to press the hand and can be thrown quickly and ruthlessly.

    In the early morning of the day when the list of green birds in Chunwei was officially announced, Chen Hai''s spirit thought sneaked into the blood cloud wasteland to see the blood slaves try out the short spear.

    Yao Laogen''s demon body was tightened like an angry giant bow, which was a martial arts secret shape specially disassembled by Chen Hai for throwing spears. It was seen that the terrible power contained in Yao Laogen''s demon body was like an angry tide gathering to his right hand in a very instant, and the iron spear came out and screamed like tearing open the void.

    With the keen spirit and divine consciousness of the puppet, only a few residual shadows were captured in the air. At the next moment, the iron spear had penetrated the stone cliff thousands of steps below. The whole iron spear was deeply shot into the stone wall, leaving only a round hole the size of a bowl on the surface of the stone wall.

    Other blood slaves split the stone wall and saw that the spear rod made of refined iron could not bear such great force and had been broken into several sections, but the spear rod was mainly used to accumulate force and balance the spear blade during throwing, which was an excellent mission.

    Seeing Yao Laogen''s hideous face grinning with his tusks, Chen Hai threw the bone spear behind him and said, "you can try to hunt a small group of Luocha demons with these iron spears and arrows, but you don''t notice the hiding place here..."

    Yao Laogen and other blood slaves went to hunt other Luocha demon clan groups and other demons resurrected in the blood cloud wasteland. Chen Hai''s spirit thought withdrew from the blood cloud wasteland and flocked to Tieqiao lane to congratulate his guests and friends who won the seventh place in the green bird list of Chunwei.

    Chen Hai is not used to welcome and send entertainment. He is more tired than a fierce battle at the end of the day. There are countless banquet Posts sent to the door. He can only refuse one by one.

    At night, Chen Hai''s spirit thought sneaked into the blood cloud wasteland again. Yao Laogen and other blood slaves who went out hunting have returned. Chen Hai can see from the number of scales, tusks and the hardest vertebrae in the Luocha devil''s body they harvested, that Yao Laogen and other blood slaves are hunting a group of Luocha ethnic groups of hundreds of scales today, including two Wuwei level Luocha demons.

    In the past, Chen Hai with Yao Laogen and other blood slaves could barely wipe out these small-scale Luocha ethnic groups, but in the past, he would be scarred every time when fighting close. If other Luocha demons collided halfway, Chen Hai would have to break through and run for his life. He would never be so easy as Yao Laogen and other blood slaves this time.

    In the past, it was always impossible to encircle and kill them completely. Even if one or two Luocha demons escaped, Chen Hai and them would have to move their hiding place to avoid being encircled and killed by stronger Luocha demons.

    This time, Yao Laogen had several shallow wounds on them. It can be seen that they have understood that they should first kill each other''s effective power with an iron spear on the periphery by virtue of their speed advantage, and then work together to kill the two Wuwei level Luocha demons.

    Casting a large number of iron spears and arrows is really of great use to improve the combat effectiveness of blood slaves. What makes Chen Hai more happy is that Yao Laogen and other blood slaves finally understand the importance of tactics.

    Listening to Yao Laogen''s description of today''s hunting process, Chen Hai also knew that they had thrown the remains of ordinary Luocha devil into the magma lake and cleaned them up. Only two bodies of Wuwei level Luocha devil were brought back and paid tribute to him as the demon master.

    Chen Hai did not directly devour the flesh and blood of the two Wuwei level Luocha demons. Instead, he collected and sealed the Luocha demons'' blood in a stone jar, and roasted large pieces of meat into dried meat for storage.

    Chen Hai wants Yao Laogen to know that in order to develop the ethnic group, food reserves are extremely important, rather than being in panic and thirst all the time. They only need to prey and kill without knowing anything else.

    Chen Hai doesn''t know what happened to Yao Laogen when they were in Luocha domain. Since they resurrected in the blood cloud wasteland through the death array and became his blood slaves, he can reshape their habits.

    If they are controlled by predatory and killing instincts all the time, they can''t strengthen themselves through normal cultivation except the method of blood refining and swallowing.

    At this time, Chen Hai sensed that someone was approaching his small courtyard in the armour shop and ordered him to hide in the cave. Then he cut off the connection between the Snake Bracelet and the blood cloud wasteland. The spirit thought to return to the small courtyard and saw Zhou Jun and Li Yulin accompanying Tu Ziji and two young people with strange faces.