"Can we refine the rest of the serving we need?" Scarab asked eagerly.

"It's definitely not enough, what can I do?" If something goes wrong, even if you save the people on the earth, there will not be enough plants to provide the necessary oxygen for the world to breathe.

"Don't panic, was this piece of you abandoned at the top of the pit before?" Zuo Dengfeng pointed to the snow on the pile of rubble.

"Yes, on the surface." The big head nodded repeatedly.

Zuo Dengfeng frowned again when he heard this, this pile of waste residue was dumped on the top layer, which means that it is the last metal to be smelted, and it also indirectly shows that the residents here were precisely because they mistakenly refined this meteorite to cause the withering of plants.

"Zuo Zhenren, what now?" The scarab looked at Zuo Dengfeng in despair.

"Let's go, go to the furnace and have a look, maybe there's anything left." Zuo Dengfeng thought about it and turned around and walked north, this huge workshop was divided into two parts, the south side was the carpenter's work area, and the north side was the place where the blacksmith smelted metal.

The north side is divided into two working areas in the northwest and northeast, there is a passage up to two zhang wide between the two areas, in the middle of the passage is supported a metal roller of the same height as the house, below the roller is a well built of stones, the width of the well is about one piece, the wellhead is fifty or sixty centimeters from the ground, the top of the well is covered with a round metal cover, and there is a faint heat on the cover.

"There's a good chance there's lava down there." The beetle approached and reached out to test the temperature of the manhole cover.

"Test it out." Zuo Dengfeng grabbed the four-eared round tripod placed next to the fire well and handed it to the big head, the edge and bottom of this tripod were stained with a large amount of solidified metal deposits, presumably the residents here used this round tripod as a container for smelting metal.

The big head reached out and took the round tripod the thickness of the basin, and approached the instrument to test, "That's it, but the number is too small, definitely not enough." ”

"Try to dig out the contents and keep the pile of waste you brought back." Zuo Dengfeng said to the big head.

"Zuo Zhenren, it's definitely not enough." The big head picked up Yuanding and shook his head repeatedly.

"I don't know it's enough, I'll do it first, and then I'll think about it." Zuo Dengfeng frowned and looked around, the area of smelting metal is divided into two areas, northwest and northeast, the remaining utensils in the northwest region are mostly living utensils, and the northeast region is dominated by the blanks of weapons and armor.

The methods of folk smelting of metals are roughly divided into two categories, one is sand turning, that is, making the concave shape of the required utensils in fine sand, and then pouring the melted metal, this method is mostly used to cast coarse blanks. There is also the pouring method, which is to have a fixed mold and pour the melted metal into the mold, which is usually used to make fine blanks.

Fragments of armor and weapons are piled up in the northeast, and there is a large amount of fine sand on the ground in the northwest, but no molds have been found.

"Zuo Zhenren, let's look for it separately." Scarab said.

"Don't worry." Zuo Dengfeng waved his hand and said, the molds commonly used in this area have been taken away by craftsmen, and the remaining things are very limited, and it is difficult to deduce what utensils were made after the people smelted the meteorite back then.

"Okay, Zuo Zhenren, what now?" The big head shook the metal from the dome with a giant axe and put it with the pile of debris.

"Use your instrument to inspect piece by piece, and it's best to determine what the metal has been made of by them." Zuo Dengfeng put down the wooden box, took out the liquor and poured a few sips.

Hearing this, Datou immediately took the instrument to search piece by piece, because the meteorite had been smelted, the content of radiation elements was already very low, Datou walked very slowly, and searched very carefully.

"Zuo Zhenren, what do you say they are refining meteorites for?" The scarab pursed her lips and came up.

Zuo Dengfeng had begged for a scarab when he was drinking before, so Zuo Dengfeng knew that he also liked to drink, so he took out an unopened bottle from the wooden box and handed it to him.

"Thank you, Zuo Zhenren." Scarab hurriedly thanked him, he only had a light purple aura, he was not free to move, and he couldn't go wherever he wanted like Zuo Dengfeng, so there were few opportunities to get wine.

"They have a clear understanding of the properties of metals, and they are certainly not smelting indiscriminately, and the metal produced after the melting of meteorites should be used in some place that is not commonly used." Zuo Dengfeng grabbed the wine bottle and waited patiently.

"They're definitely not going to leave anything behind, where do you think they're going to go when they leave here?" Scarab asked.

"I don't know." Zuo Dengfeng frowned and shook his head, Ji Xian's people are all sinners, they will definitely not return to Middle-earth, the world is so big, no one can be sure where they will go after leaving here, maybe even they don't know where they are going.

"Will there be this kind of meteorite on Xuanwu's back?" Scarab asked again.

Zuo Dengfeng turned his head and glanced at the scarab when he heard this, the scarab was desperately hoping to get a glimmer of hope from him at this time, but Zuo Dengfeng was also anxious at this time, he couldn't even be sure if the meteorite was on Xuanwu's back before, and he didn't hope in his heart how to give the scarab hope.

"You go back and bring them here, and rest from here tonight." Zuo Dengfeng waved his hand at the scarab, as long as the lid was lifted, this space was very warm, and it was a good place to rest.

"Okay." Scarab said yes and turned away.

"Don't be nervous, it's not the worst yet." Zuo Dengfeng saw that his head had been trembling slightly, so he said something of relief.

"Okay." The big head nodded slightly when he heard this, although he was still extremely nervous, he no longer trembled.

Zuo Dengfeng touched the cover on the fire well, and then lay down on his side to keep warm, although he told the big head that things have not reached the worst step, but he knows very well that things have reached the worst step, at this time he felt a chill from the bottom of his heart, and he couldn't help himself with a chill, this meteorite is one of the three steps for him to reunite with Wu Xinyu, if it is missing, there will never be a day when Wu Xinyu will be seen again.

Datou has been carefully searching, there is fine sand on the ground, and there are various concaves in the fine sand, unless he is sure that there is no radiation reaction in the concave, he dares to step on it, this move is to determine as much as possible what the meteorite has been made after it has been melted. Due to the meticulous search, the inspection was extremely slow.

Half an hour later, Datou left the northwest and began to search the northeast area, at this time the scarab rushed over with Wan Xiaotang and others. Scarab must have told Wan Xiaotang and the others about the current situation halfway, and everyone was nervous and desperate at the moment.

"Blessed are you tonight with a fire well down here." Zuo Dengfeng spoke to relieve everyone's psychological pressure, and after years of sinister training, he understood a truth, that is, the more critical the moment, the more he must not panic.

"Zuo Zhenren, how's it going?" Wan Xiaotang walked over and asked.

"Qiu Muyu is checking, put things down." Zuo Dengfeng stretched out his hand and pointed at the big head.

"Found it, Zuo Zhenren, come and see." At this moment, the big head, who was searching the northeast area, turned around and shouted.

"Stay where you are, and I'll go and see." Zuo Dengfeng greeted everyone, and then moved to the side of the big head.

"That's it, there's a trace reaction." The big head reached out and pointed to a barrel-shaped mold placed in the northeast corner.

Zuo Dengfeng heard the words and looked down at the utensils in front of him, this thing has a diameter of about fifty centimeters, about one meter and a half long, it is a clay mold, but all the molds are divided into two, and this mold is no exception, but at this time the two halves are together. The utensils of the Shang and Zhou dynasties were of different sizes, and the large ones weighed thousands of catties, and according to the mold in front of them, the artifacts made after the meteorite smelting were not very large.

After looking at it for a while, Zuo Dengfeng stretched out his hands and dismantled the mold, but he didn't expect that the inside of the mold was not completely hollow, nor was it an ordinary vessel shape, but a strange half-side spiral.

"What did they build?" Seeing this, the big head also frowned.

"It should be something related to weapons." Zuo Dengfeng said suspiciously, the west area is for melting living utensils, and the east side is for melting weapons, since this mold appears on the east side, it shows that it should be related to weapons.

"It's not quite like that." The big head quickly filtered the eighteen weapons from his mind.

"It's not intuitive, you go out and get some ice cubes and come back." Zuo Dengfeng waved his hand at the big head.

Hearing this, the big head immediately guessed Zuo Dengfeng's intentions, grabbed the giant axe and twisted his body and swept outward, and after a while, he carried back a piece of solid ice, and the most important thing in the Arctic region is ice and snow.

Zuo Dengfeng fastened the mold and erected it, took out the pure yang gauntlet from his arms, divided his hands for two purposes, melted the ice cubes with the pure yang true qi of his left hand, and shaped the ice water flowing into the mold with the Xuanyin true qi of his right hand, and after a while, the filling was completed, Zuo Dengfeng separated the mold and took out the utensils solidified by ice water inside.

"Spring?! What do they make springs for? At a glance, the big head could see that Zuo Dengfeng was holding a thick spring condensed from ice water in his hand.

Zuo Dengfeng didn't open his mouth when he heard this, the thing in front of him was indeed a spring, and this spring looked extremely familiar to him.

"Zuo Zhenren, can we pass?" The scarab shouted at Zuo Dengfeng.

Zuo Dengfeng nodded slightly when he heard this, and everyone rushed up when they saw this, and gathered around to look at the spring in Zuo Dengfeng's hand.

"What do they make springs for?" "It's a spring, indeed." "Bigger than the recoil springs on our ships." The crowd was talking about the spring.

"I think I've seen this spring somewhere." Zuo Dengfeng frowned and recalled.

When everyone heard this, they immediately shifted their eyes from the spring to Zuo Dengfeng's body, and shut up one after another, so that Zuo Dengfeng could quietly reminisce.

"I've seen this kind of spring in Jiang Ziya's mausoleum, there are two of them." After a while, Zuo Dengfeng recalled that the second mechanism of Jiang Ziya's tomb was a catapult stone ball, and the huge stone ball was powered by two thick red springs, the length and width of which were exactly the same as the spring in front of him.

"Ji Xian was about fifty years old when he rebelled, and he was over seventy years old when he died, which shows that they have lived in the Arctic region for twenty years, and twenty years later is the time period when Jiang Ziya is about to die, in order to arrange the mechanism in the tomb, he is very likely to come to the North Pole to ask Ji Xian to help make special springs." Zuo Dengfeng frowned and analyzed.

"Zuo Zhenren, what about the two springs?" Everyone asked in unison, they didn't care about what happened back then, they only cared about the whereabouts of the metal.

"I'm buried ......"