Once the blood had been extracted, the casting process would begin soon.
They did not know how long the blood would last in the bamboo tube, nor could they guarantee that the blood would not deteriorate. That was why they had to start as soon as possible.
In the casting room, all unrelated people were chased out. Even if they wanted to watch, they could only wait outside. Other than the two chiefs and the three team leaders, the other team leaders could only walk around in circles, craning their necks but to no avail.
The casting process was still the same as the slave masters' mud casting method. They poured molten alloy liquid into the mould.
Most of the casting materials were mud. However, this casting process was different from the past. Everyone was more careful with every step.
This was an experiment using the green-faced fanged beast's blood. It was an important turning point. If they succeeded, the tribe's bronze wares would be upgraded to a higher level and the use of stone tools would gradually be replaced. After all, if the new bronze wares were hard enough and sharp enough, or as Gongjia Heng said, if they could cut through stone, many people would choose to use bronze wares.
The clay used for casting had been dried in the shade for a long time and repeatedly smashed to a high degree of maturity. The bronzeware made in the past had also proved its usefulness. It was not too wet and did not emit any gas, so the bronzeware made was still acceptable.
This time, the mud used was more stringent in the process of sieving, rinsing, drying and so on.
The smelting process was the same as before. However, after the black gas, the yellow gas, the white gas, the green gas, and finally the green gas, the copper alloy was completely melted. According to the previous process, the casting process was ready. However, this time was different. Before the casting process, the green-faced fanged beast's blood would be added.
When Shao Xuan saw the words on the mountain wall of Gongjia Valley, it mentioned when to add the beast's blood. However, it did not explain the details so Shao Xuan could only guess.
He removed the needle from the 'syringe'. Green blood flowed out from where the needle was connected to the bamboo tube, making a sizzling sound.
"Just … Just drip it?" The craftsman beside him was so nervous he was stuttering.
What else could he do?
It was impossible for Shao Xuan to ask a Gongjia family member so he could only try pouring it in.
Shao Xuan held up the bamboo tube and let the beast blood drip out from the small hole connected to the needle into the molten copper alloy liquid.
The sizzling green blood made the people who were staring at the scene feel as if their hearts were being roasted on a hot stone slab. It was a torment.
He was nervous, anxious, and his entire body was stiff. He didn't dare to move or make a sound, for fear of disturbing the other side's movements.
The blood dripping into the copper-alloy liquid stopped abruptly with a sizzling sound. It did not evaporate like Shao Xuan and the others had expected. Instead, it spread out in the copper-alloy liquid.
Poof!
As the blood gradually dripped down, a green flame suddenly emerged from the alloy liquid. The body of the flame was not very high. The layer of flame that was stuck to the surface of the alloy liquid was not even as high as the pinky finger.
The fire was still burning and the alloy was still melting.
More and more blood dripped from the bamboo tube. The surface of the alloy liquid was covered in a layer of green flame. At the same time, the alloy liquid inside churned but there were no bubbles. There was only a burning green flame.
The colour of the alloy liquid was changing. It darkened slightly and was no longer gold. As the alloy liquid churned, the colour became uniform.
When the beast blood was used up and there was no more, the green flame in the alloy liquid gradually disappeared. Then, the casting process would begin.
Outside the forging room, Mai and the other team leaders, as well as Tuo, Xiang Chen, and the others who knew the secret of the metal wares, were all waiting outside. They wanted to listen in to satisfy their curiosity, but until now, there was nothing they wanted to know.
The two leaders were too calm. Even if they exclaimed in surprise, it would have been better than remaining silent all the time.
After a long while.
The sound of forging came from the room.
Forging, carving, annealing, sharpening …
Although everyone was nervous, the work was carried out in an orderly manner. Other than giving instructions, no one asked or said anything else. The two chiefs also became a part of the background. They stared nervously at the broad copper knife that was almost finished.
The knife looked rough and did not have much beauty. But in the eyes of the people in the room, it was a peerless beauty.
It was different from the previous bronze wares. Although it was not finished, it gave people the feeling that it was on another level.
…
In the sky outside the room, the sun was hanging high in the sky.
At dusk, the afterglow of the setting sun shone everywhere. The shadows of the people waiting outside were elongated.
Inside the room, Shao Xuan held the newly cast copper knife and wiped it with a piece of animal skin.
The biggest difference between this saber and the bronze weapons from before, and also the most eye-catching part of it, was its color.
It was not gold, nor was it silver-white, silver-grey or even reddish like the other bronze wares. It was green!
The overbearing broad blade was dark green in color. It was reserved, but it was ferocious.
Shao Xuan stared at the knife, his eyes reflecting the cold light of the knife. He threw away the animal skin he was wiping and ran his fingers along the edge of the knife. Then, he flicked it lightly.
It was like the whistling of the wind, but also the vibrating sound of the sharp blade. When it reached his ears, it felt like something was charging through his blood.
Green bronze wares!
Most bronzes would only turn green after they had rusted. But now, this newly forged bronze saber was actually a deep, dark green color!
Did it succeed?
That was the question everyone wanted to know.
The chiefs and team leaders did not know. Only Shao Xuan and the craftsmen who were in charge of hammering and carving knew that this knife was much harder than the other bronze wares!
Shao Xuan's gaze moved away from the knife and looked at Ao and Zheng Luo, who were standing silently at the side.
It was not that the two chiefs were not anxious. They were too nervous and impatient to react. Now, seeing Shao Xuan look over, Ao hurriedly took out a fist-sized stone he had prepared and threw it. This was one of the testing stones in the stone room. It was a medium grade stone. Ordinary bronze wares would be tested with a medium grade stone. After all, the sharpness and hardness of ordinary bronze wares were limited and could not be forced.
Because he was too nervous, Ao's action of throwing the stone was very stiff. But at this time, no one cared about Ao's action of throwing the stone. They stared at the stone that was thrown up, and then looked at the knife in Shao Xuan's hand. Their eyes swept back and forth quickly, for fear of missing any details. At that moment, they even forgot to breathe.
Shao Xuan held the bronze knife with both hands, took a step forward, raised it, and then chopped down at the stone in the air!
Bang!
The blade struck the rock hard, and the fist-sized rock broke into two halves. Clean, neat, and smooth!
And there was not a single scratch on the blade.
Whether it was sharpness or hardness, it was much stronger than the previous bronze wares!
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