Two hours later.
Three hundred and forty-two candidates took the giant elevator and continued their march into the deep underground.
The elevator is like a huge metal disk, relying on the anti-gravity talisman to glide silently in the darkness.
The balance talisman array on the edge of the disk emits a faint blue light, reflecting the exhausted faces.
For more than ten hours in a row, the brain has been running at super high speed.
Even if the candidates are all powerful cultivators, they are still overwhelmed.
The candidates were clearly divided into two groups. 340 candidates sat outside the large disk, forming a large ring.
At the center of the circle, there were only two candidates.
Li Yao and Jiang Shaoyang.
The crazy performance of the two monsters shocked everyone, and everyone involuntarily stayed away from the two, for fear of disturbing the duel between the two monsters.
Just like in the ancient times hundreds of millions of years ago, two Tyrannosaurus rex were confronting each other, and no living being would dare to stand between them.
After a while, everyone's eyes lit up.
The elevator finally broke through the darkness and sank thousands of meters underground.
But the majestic and majestic scene in front of them made everyone's breath stop.
They were in an extremely huge underground cave.
Looking up, we are hundreds of meters away from the top of the cave filled with stalactites.
Looking down, it was still completely dark, and I couldn't see the bottom at all.
Looking around, there is a cylindrical cave with a diameter of more than one kilometer.
The surrounding rock walls are covered with thousands of artificially dug caves.
Beehive, this is like the inside of a huge steel hive.
And they are just the tiniest ants.
Even the giant elevator turned into a lone boat after sinking into the cave, with countless faintly glowing metal disks flying around.
It showed a busy scene.
"This is the power of the country!"
"Only by mobilizing the power of a country and tens of billions of people can we build such a magnificent world underground!"
"Only this kind of power can compete with the billions of demons in the endless sea of stars!"
Li Yao sighed in his heart, while realizing his own insignificance.
I also feel deeply proud to be a member of such a powerful country.
The disk slowed down and flew towards a rock wall that reflected the metallic luster.
Two firefly-like light spots floated up from the underground abyss and flew to the side of the disk.
But they were two soldiers with metal wings on their backs.
The two soldiers each held a magic weapon in their hands, which emitted red light and enveloped the large disk.
"Didi!"
The dazzling red light turned into soft green, and everyone's identity was verified.
On the rock wall, there are hundreds of artificially dug caves.
Originally blocked by cold metal doors, they all slid open silently.
The big disk rises and falls, sending everyone to the corresponding cave according to their test number.
Li Yao took a deep breath and strode into his own cave.
The metal door slowly closed behind him.
The last level!
Li Yao looked at the cave curiously.
He was very familiar with the surrounding furnishings.
It was a maintenance workshop, with a small refining room and a material warehouse behind it.
Although it was small, it was small.
All organs are present.
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"Didi!"
The exam computer sent out a message that the questions for the actual test session would be within twenty-four hours.
Use the facilities and raw materials in the repair workshop to repair a puppet war beast and restore it to at least 90% of its combat effectiveness.
"A maintenance type mission?"
Li Yao was delighted.
Didn't this hit the muzzle of his gun?
In the corner of the maintenance workshop, there was a small thing covered with oilcloth.
When Li Yao opened it, his eyes lit up.
"Phantom Wolf?"
The puppet war beast is similar to the "Wooden Ox and Flow Horse" that Li Yao repaired in the small mountain village a year ago.
It is controlled by a crystal brain.
An artificial spiritual machine with a certain ability to act autonomously.
The Phantom Wolf is a puppet war beast refined by Qunlang Valley thirty-three years ago.
Because the design is great.
With excellent performance, they were purchased in large quantities by the military.
This kind of puppet war beast.
Utilizing the principles of bionics, the design refers to the appearance characteristics of many wolves and leopard monsters.
It is long and narrow, streamlined, agile in movement, extremely fast, and adaptable to various complex terrains.
It is especially suitable for hunting in grasslands and jungles.
Fight, even on steep rocks, you can climb freely.
The Phantom Wolf is a light war beast, with a body length of 1.46 meters and a total weight of 156.33 kilograms.
It is equipped with a light crystal cannon on both sides of the body.
A flying sword launching system can also be hung on the abdomen, carrying twelve miniature flying swords, which greatly enhances the Long-range firepower.
In addition, the ends of its front and rear limbs are made of four shock claws made of super strong alloy.
The bite force of the steel teeth in its mouth is also extremely strong.
There is also a flamethrower in the throat, driven by the flame talisman array. , can shoot out a stream of flames of more than a thousand degrees, instantly turning the enemy into ashes.
Phantom Wolf has two combat modes.
It can be controlled remotely by soldiers or cultivators at close range.
You can also enter a rough target in advance, such as "patrol", "guard", and "free hunting", and then control it by the built-in crystal brain of the Phantom Wolf to fight on its own.
As soon as the phantom wolf appeared, it immediately replaced the status of many military dog-like spiritual beasts and became the favorite of the military, especially the scouts.
To this day, a standard military reconnaissance team consists of two scouts and a phantom wolf.
However, the situation of the phantom wolf in front of Li Yao was not good.
It seemed to have received an acid attack from the monster from a long distance.
The metal body was corroded and riddled with holes, and many of the crystal wires connecting the vital parts were corroded and broken.
Then he started a hand-to-hand fight with the ferocious monster.
One side of his head was deeply dented, and his body was torn to pieces.
Three of the four legs were broken.
Only a few pitiful crystal lines were still connected between the two front legs and the body.
With.
A shockingly large hole was dug out of his abdomen, and many of the chips and organs engraved with key talismans were missing.
The rest were mottled by acid corrosion and were unable to function properly.
Except for one vertebrae made of a special alloy that was still intact, the phantom wolf was almost on the verge of being scrapped.
For Li Yao, this was a common scene.
Either in the magic weapon tomb.
Still in the ruins of the Refining Department of the Great Desolate Battle Academy, 90% of the magic weapons are on the verge of being scrapped, or even completely scrapped.
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So what?
It's not like he restored it bit by bit.
Even more powerful than before.
This Phantom Wolf was far from the shabbiest magic weapon he had ever repaired.
Li Yao rubbed his hands.
Concentrate on the intense maintenance work.
The first step is to dismantle all the components of the Phantom Wolf to see which components can be retained, which ones must be repaired, and which ones are not even worth repairing and can only be re-refined.
"Huh?"
When Li Yao spent eleven minutes to complete 80% of the disassembly work, he suddenly discovered a very hidden problem.
In his hands.
It is the intact spine of the phantom wolf.
But the friction sound between the joints made him feel a subtle strangeness.
Without hesitation, he folded his fingers and flicked them towards the 22nd vertebrae.
He listened carefully to the sound of the metal vibrating and sketched an intricate cross-section in his mind.
"There's something wrong with vertebrae No. 22!"
"Although it looks intact on the outside, it has been hit hard several times, and the interior is already filled with tiny gaps that cannot be identified by the naked eye, reaching the limit of metal fatigue!"
"As long as there is another high-speed impact.
No, no impact, as long as this Phantom Wolf makes another emergency stop and change of direction during ultra-high-speed movement.
This bone will completely burst!"
A wolf is said to have a copper head, an iron tail, and a tofu waist.
The waist is its fatal weakness.
The same goes for puppet war beasts like the Phantom Wolf.
In order to pursue speed and flexibility, the body shape is streamlined.
The waist that connects the front and back of the body is also the most vulnerable part, almost relying on the spine for support.
And unlike wolf monsters, the Phantom Wolf also has crystal cannons attached to both sides of its body to provide recoil when firing.
It will also put huge pressure on the waist.
The twenty-second vertebrae is located exactly at the waist.
It is the key among keys, once it bursts.
It is equivalent to paralysis of the lower body, and 95% of the combat effectiveness is lost instantly!
"It seems like this is a trap."
"At first glance, this phantom wolf is riddled with holes, broken, and bruised...
But these are minor problems."
"This invisible hidden injury is the real fatal injury!"
"If you focus on repairing the superficial injuries and ignore the hidden injuries on the spine, even if the appearance is brand new, it will not stand the test of actual combat.
On the test field, just do a few high-speed maneuvers and your waist will be broken!"
Li Yao smiled slightly.
Now that he has discovered the problem, it will be easier to solve.
He checked twice to confirm that there was only one trap, and then walked into the material warehouse to look for the materials needed for repair.
Soon, he discovered the second fatal problem.
"This is not purple gold titanium, but... accompanying purple gold titanium!"
Purple gold titanium is a rare metal and a special alloy used to refine the backbone of the Phantom Wolf.
It is an indispensable raw material and can greatly increase the strength of the special alloy.
The associated purple gold titanium is a very strange associated metal in the purple gold titanium ore.
Although the appearance, color, and texture are almost the same as those of real purple gold titanium, there are some differences in properties, which cannot improve the strength of the alloy at all.
There are some accompanying purple-gold titanium stored in the material warehouse, but there is not even half a gram of real purple-gold titanium!
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"Is this another trap?"
"We want to test the candidates' eyesight to see if we can distinguish between purple gold titanium and associated purple gold titanium?"
"Without purple gold titanium, there is no way to refine a new spine."
Li Yao sat cross-legged in the middle of the material warehouse, tapping his fingers on the ground, thinking quietly.
In the monitoring room, the three examiners looked at a candidate who was grinning and thinking hard, and they all showed strange smiles.
"Tell me, how many of these more than 300 candidates can discover the trap on the Phantom Wolf's spine?
Even if they discover it, how long will it take to realize that what we provide is the accompanying purple gold titanium, but we 'forgot' to provide it?
Real purple gold titanium?”
Dong Liuqi asked with a smile.
Yan Tianhe smiled slightly and was about to speak when a light curtain in the center suddenly flickered.
A candidate issued a call request.
"Excuse me, why is there no purple gold titanium necessary for repairing the Phantom Wolf in the material warehouse?"
In the light curtain, Jiang Shaoyang asked very calmly.