"Boom~"

A thunderous vibration suddenly came in from the window, and immediately after, there was a slight tremor on the ground, and Zhang Yuan stood on the ground, feeling a little unstable.

"What's going on? Earthquake? ”

For this day, he didn't go anywhere, and he stayed in the mechanical assembly room provided for him by the Holy Warrior El to improve the power of the White Angel.

Now that there was such a sudden commotion, he was so surprised that he hurriedly put down what he was doing, and stumbled towards the door.

Outside the door of the assembly room was a large clearing in the forest, and there were more than a dozen small buildings with exquisite styles around the clearing, and in the clearing, several silver-white mechs were also standing motionless.

These mechs were all in operation, all holding weapons in their hands, and it could be seen that a moment ago, they were in the middle of a fight, and at this time, all their attention was attracted by this unexpected movement.

Al introduced these silver-white mecha to Zhang Yuan, called 'Judgment Warriors', which are the mecha models of the berserk rank in the Bright Apostles' Order.

Zhang Yuan's qualification in the Apostle of Light is the White Angel, although it is the most basic level of the Doomsday Rank, but his status is one level higher than these berserk-level judgment warriors.

He walked over and asked, "What happened?" ”

Seeing him coming, these silver-white mechs hurriedly stood up straight, bent down slightly and saluted Zhang Yuan, and one of the warriors spoke: "The Great Lord of Kansas used the grouting method to deal with the rebels in Black Eagle City, and he poured high-energy ions with a high temperature of up to 10,000 degrees into the mine, and the movement was very loud. ”

Zhang Yuan was very surprised: "It was actually grouting with 10,000 degrees of high-temperature ions? He'd kill all the miners in the cave if he did that! ”

"Who's to say it isn't?" A trial warrior spread his hands: "But the Great Lord of Kansas has given an ultimatum for 12 hours in advance, and now 12 hours have passed, and the rebels are still fighting to the death...... That's why there is such a cruel method. ”

Is it only a 12-hour ultimatum? This news made Zhang Yuan's heart tighten, and he could feel that Han Sande had lost his patience.

He didn't care about the fate of the miners, he was worried that Han Sande might execute Lu Meng early.

"No, I'll have to get a new mech right away. The 25% efficiency of the rhodium magnetic engine is too low, and the White Angel is too weak, and it must be improved, but it takes time, and it is not short, and what I lack most now is time..... No, I still have a piece of activated steel! ”

The structure of the rhodium magnetic engine is too poor, so use the material properties to make up, even if it is a wooden stick, if it is built with an ultra-high-energy laser, the lethality is absolutely amazing.

Activated steel is a superconductor of spiritual power, and the use of activated steel in the key components of the rhodium magnetic engine will inevitably greatly improve the efficiency of energy control.

Thinking like this, Zhang Yuan returned to the assembly room without saying a word.

There's a berserk Thunder printer there, and the mastermind has super printer capabilities, and with activated steel, he's sure to be able to make a high-efficiency rhodium magnetic engine.

Zhang Yuan was in a hurry to build a rhodium magnetic engine, and after he turned to leave, several trial soldiers in the clearing in the forest looked at his departing back and whispered.

"This is the Holy Warrior chosen by the Seraph? Isn't it too young? ”

"I don't think this guy is a fighter at all, he's stuck in the assembly room all day, and he's like a nerd."

"I feel that way, too. I've seen quite a few chosen holy warriors, and seriously, this is the most common one. I heard that he only got a White Angel mech, hehe. ”

"Okay, okay, don't talk too much. Even if it's a white angel, it's a doomsday-level mecha, definitely stronger than you and me. Let's continue training, if it goes on like this, Dallas will definitely not be able to hide, and the big war is just around the corner. One of the fighters said.

"That's right." The other fighters chimed in, and several continued their training.

...........

Zhang Yuan naturally didn't know the words of these fighters, even if he knew, he would not have the slightest wave in his heart, and after returning to the assembly room, he said to the main brain in his heart: "Enable the A2 rhodium magnetic engine structure template." ”

He called the most basic rhodium magnetic engine structure the A0 type, and the energy conversion efficiency of the A0 type was only less than 20% with the current material, and then in the deduction process, Zhang Yuan would rename it every time he completed a small breakthrough.

The so-called A2 engine structure template is about 20.7% after two small breakthroughs in a row, which is about 0.9% higher than the most basic version.

This energy efficiency is still quite low, but this is already the best rhodium magnetic engine structure that Zhang Yuan has at hand.

"The template is enabled." The Mastermind replied.

"Enable the Super Printer feature to start printing the engine α zone, β zone, γ zone control parts."

"Order received, printing!"

At the same moment, Zhang Yuan felt that the mixed spirit he had stored in the folded space began to burn at high speed, and one fine part after another was rapidly formed.

The rhodium magnetic engine structure is very delicate, and it takes a long time to print these parts, and during this time, Zhang Yuan has been transforming the White Angel mecha.

The main reason why this mech is so weak is not because of the structural problem, but simply because the materials used are too low-level to be too powerful for a load.

What Zhang Yuan did was very simple, that is, to replace the parts of the white angel with higher grade materials, and at the same time optimize the structure of the local position of the white angel.

Under the two-pronged modification, this White Angel mecha is undergoing a radical transformation.

He was very focused on the modification, and he didn't know how long it took, when the modification progress of the White Angel mecha reached about 90%, he heard the voice of the mastermind: "The rhodium magnetic engine parts have been built, with a total of 23,311 points of burning mixed spirit, and 12,281 points of remaining mixed spirit." ”

"Very good!" Zhang Yuan was overjoyed, walked quickly to the fine parts assembly instrument in the assembly room, held the mechanical arm in one hand, took out the rhodium magnetic engine parts with the other, and began to assemble them quickly.

The volume of the rhodium magnetic engine is generally not large, and the size of an adult's head can already be called a large rhodium magnetic engine, and the one Zhang Yuan wants to build is medium-sized, and after the assembly is completed, it is a small ball with a volume of 13cm.

In his calculations, it should be about the same power as the rhodium engine on the mid-apocalyptic mech.

However, there are 27,382 parts in such a small rhodium magnetic engine, the small one is as thin as a hair, and the largest one is only the size of an adult's thumb, so it is very difficult to assemble.

Zhang Yuan didn't dare to be careless, and throughout the assembly process, he turned on the mechanical heart, and his pure spirit began to burn at an ultra-low speed of 0.01 points per second.

In the past three hours, Zhang Yuan has assembled a hair-thin energy pipe, and the spherical rhodium magnetic engine is roughly in place.

When everything is ready, only the core area parts remain.

'Whew~' He took a deep breath, relieved himself, and then took out the activated steel.

This thing looks like an ordinary stone on the outside, and it is estimated that no one will pick it up when it is thrown on the ground, only Zhang Yuan knows that this thing represents the most advanced technology of the powerful Eternal Empire thousands of years ago.

I took a small grinder, carefully ground this 'stone' into nano dust, and then put it into the Thunder printer and began to print the parts.

Time passed minute by minute, one after another small and delicate parts were generated in the printer, and about half an hour later, the activated steel was consumed, and Zhang Yuan saw a bunch of strange things in front of him.

Assembling the core parts is the last and most challenging step, and it makes or breaks it!

The fine parts assembly instrument is turned on again and the activated steel parts are loaded into the A2 rhodium magnetic engine one by one, a process that is very, very strict on the assembly accuracy and does not allow for the slightest error.

Zhang Yuan was engrossed in it, and he clearly felt the flow of energy in his body.

Obviously, this work does not consume any effort at all, but Zhang Yuan felt that beads of sweat were oozing from his forehead and back, and his two arms were sore and painful, and he couldn't control it.

"It's almost there! It's almost there! Hold on! Zhang Yuan kept saying in his heart, whenever he felt that his arm was really out of control, he would stop and rest, and he would not start again until he made sure that his arm regained precise control.

The light outside the window slowly dimmed and brightened, and the sound also changed from noise to silence, and then from silence to noise, the sound of birdsong, the sound of the training of the trial soldiers, every sound came to Zhang Yuan's ears, but Zhang Yuan did not react.

Occasionally, there would be rumbling explosions in the sky, and whenever these sounds appeared, Zhang Yuan would immediately stop the assembly work, and only after the surrounding calm had returned to him would he continue to assemble.

When the light outside the window dimmed twice, Zhang Yuan assembled the last part on the rhodium magnetic engine.

'Ding~' There was an inaudible sound, and a slight white glow appeared on the surface of the A2 rhodium magnetic engine, which flashed for about 0.1 seconds and then disappeared, and then what appeared in front of Zhang Yuan was a silver ball with a diameter of 13 centimeters.

The surface of the ball is so smooth that it looks like a mirror.

In the eyes of others, this round ball did not show any mental fluctuations, it looked like a stainless steel ball, but in Zhang Yuan's eyes, this round ball showed a faint spiritual fluctuation, in this fluctuation, Zhang Yuan felt a strange sense of closeness, as if this ball was a part of his body.

This is the mental binding function of the main brain, this rhodium magnetic engine uses a large number of super printer parts, it can only be used by Zhang Yuan, for others, this is no different from scrap metal.

Zhang Yuan stretched out his hand to grasp the ball, concentrating his mind to perceive the situation of the rhodium magnetic ball, and after a moment, he felt a slight movement in his heart, and it was actually fused with the rhodium magnetic engine.

Then, something even more strange happened.

Zhang Yuan suddenly found that he was very sensitive to the changes in the energy in his surroundings, where was the temperature high? Where is the temperature low? Where is the energy concentrated? He can sense them all. There was also a feeling in his mind that he could control these energies.

He tried to do so, and then something amazing happened.

"Whew~" A white flame like glass appeared around the rhodium magnetic engine, and about a meter away from the flame, a white icy frost mist appeared in the air.

The reason why all this happened is very simple, that is, because Zhang Yuan absorbed the energy in the air around the rhodium magnetic engine, because there is not much energy in the environment, so it can only generate this ordinary flame, but if there is a doomsday-level energy core around it, then this rhodium magnetic engine can exert the power of destroying the world.

Zhang Yuan's heart was very excited, full of pride: "Mastermind, measure the performance of the rhodium magnetic engine"

"Analyzing...... Analysis Complete....... At present, the energy conversion efficiency of the rhodium magnetic engine is 42.3%, the stable output power of the rhodium magnetic engine is 228,100 horsepower, the ultimate output power is 378292 horsepower, and the limit time can last for 0.8 seconds (activated steel superconducting performance blessing!). ）。 ”

As soon as this data came out, Zhang Yuan couldn't help but feel a burst of ecstasy in his heart.

The real data is a lot higher than the power he calculated, the stable output power is the same as the middle of the doomsday, and the limit output power, close to 380,000 horsepower, this is already close to the data of the upper mecha of the doomsday, although it is only 0.8 seconds, it can only send one move, and it has to take into account the mecha energy core and mecha performance, there are many restrictions, but this is enough to become his killer feature!

He put away the rhodium magnetic engine and whispered, "With you, I finally have the power to fight back!" I've finally become a real powerhouse! Your whole body is silvery, bright as a mirror, and full of spirituality, so I will call you 'Spirit Mirror'. ”

Putting away the spirit mirror engine, Zhang Yuan turned his head and looked at the white angel, and a pair of dark eyes burned with raging flames.