Not only did the huge red lamp shine brightly, but there was also a sharp noise. In the next moment, several huge metal objects dashed towards them.
Vanessa wanted to use Sprint while in Stealth to move quickly and leave this weird thing. Who knew that Yao Yao's arm would shoot out a flashing Flare, illuminating everything within a few meters as if it was daytime.
It directly broke Vanessa's invisibility.
"Ah!" Little Vanessa finally cried out in shock.
The metal creatures charged at them too, but they all stepped into Aurelia's trap and turned into large chunks of ice.
At that moment, Duque shot a Frost Arrow and froze the Yaoyao into a large block of ice.
Immediately, the huge steel tunnel returned to peace.
The shock on Vanessa's face had yet to fade. Clearly, she couldn't accept that her stealth had been broken by such a weird thing.
Duque asked Aurelia with a smile, "How does little Vanessa's stealth compare to that of the trolls?"
"At least better than eighty percent of trolls."
"That's enough."
"Enough?"
"Enough!" Duque said with absolute certainty.
Sniffing the air, Aurelia pointed to the end of the tunnel. "There seems to be a guy who can be called boss over there."
Duque smiled. "Whatever. That's not my goal. "
Duque walked over and unfroze the Yaoyao. Then, he stayed where he was and guided the nimble Vanessa to dismantle the mobile alarm robot.
A bunch of data appeared on Duque's retina.
"You've obtained the preliminary blueprints for the mobile alarm system."
Actually, that wasn't entirely true. As an engineering student who dabbled in construction equipment, Duke had already figured out most of the structure of this YY-YY-YY-YY-LING.
All in all … the gnome was really a genius!
He had actually used the technology of the steam age to play with automatic control technology. That crazy enemy tracking system was actually capable of sensing vibrations and heat. This was simply beyond the limitations of the times of Tesla, Edison, and Einstein.
Of course, it wasn't that the Yaoyao's technology was so advanced. Instead, the gnomes had used a lot of simple, violent, and miraculous devices when they designed this thing.
For example, this vibration sensor was similar to the ancient seismograph from before Duque's transmigration, but it was more sophisticated. It was actually using the gear to sense the vibration between every step it took. In that short interval, no one would have realized that it was actually sensing the vibrations within a radius of tens of meters in a stationary state.
Once there was a vibration, it would enter the next stage.
I tested it with a heat-sensing stone. When it passed through again, it would automatically fire a flare in the direction of the heat source to further confirm whether the target was invisible or in a hidden state.
The three types of confirmations ensured that there would be no mistake.
Finally, there was the crazy high-frequency horn alarm.
On top of that, it had an unscientific power system that leaned towards magic.
A [Mobile Alarm System] robot appeared.
Duque did not go to the final Boss. It was not easy to clear out Gnomeregan. In addition to clearing out the traitor of the Gnomes, he also had to block all the cracks between the rocks and clean up the weak radiation. Duque didn't have the spare time to do this.
So, Duque took the two girls directly to the engineering laboratory.
A day later, Duque returned to his private army and brought back a large number of the latest models of the goblins.
"System elf, are you sure there's no problem with this thing?" Duque had deep dark circles under his eyes and looked tired. But it was worth it for the sake of the 30,000 soldiers.
"Dear host, I'm very sure. All the gravity sensors have been set to 150 kilograms. Only humanoid creatures that exceed this weight will trigger the alarm. And according to the host's habit, I've set the most prominent warning sound for the goblins. "
"That's good."
Duque almost emptied the entire engineering laboratory of Gnomeregan. McNeil, the great traitor who betrayed the great craftsman and all the gnomes, would probably go crazy on the spot if he found out.
So, after Duque gave some instructions, the army set off again.
Few people knew that there was actually an engineering laboratory on the fourth floor of Gnomeregan. No one would know what Duque had done in that laboratory. Then, he moved the things in the laboratory to Karazhan.
The soldiers of Stormwind looked curiously at a bunch of strange machines with bark on their heads running around the army.
"Tick tock, tick tock" made a strange noise.
Then, it didn't seem to have any effect until that night.
Windsor was puzzled by Duque's arrangement. Duque only left the minimum number of sentries, and instead deployed at least 200 "rapid response troops". It was a cavalry unit that was forbidden to sleep all night. Their equipment was also very strange. Lassos with steel wires? Long-handled axes that were rarely used by cavalry?
What the hell was that?
"Well, I've been a soldier for so many years. I've been at war for almost two years. This is the first time I've heard such a strange order. We're supposed to 'kill' trolls after hearing the alarm in the middle of the night, preferably alive? "
"I heard that trolls will heal themselves after a while, unless their heads are cut off or their hearts are pierced?"
"Yes, there are basically no trolls near the Elven Forest. There are only a few occasionally near the Night Forest. But trolls are the norm in the Rotterdam Continent, right? "
"What's the alarm?"
None of the cavalrymen knew.
As night fell, they quickly found out what the alarm was.
Suddenly, in the darkness of the night, they heard a peerlessly mournful cry for help.
"Help! Murder! These guys are going to tear me apart!"
Every cavalryman had the word "embarrassment" written all over their faces. If it was a living person who shouted, there would be no problem. The problem was that the voice was obviously mechanical and electronic.
Since it was an order from above, the cavalrymen quickly set off. When they arrived, they found a strange, flashing red "demon spirit" being chased by two trolls.
"Come and save me! There's someone acting cool here! We can't hold on any longer — "
Shouting incomprehensible words, the robot tried to run with its short legs. Originally, it could not outrun the trolls, but when the trolls saw the cavalrymen, they immediately ran back.
Chasing a master of concealment troll in the dark was a very scary thing. They could be killed at any time.
At this moment, the cavalrymen laughed.
They did not know what kind of special paint was sprayed on the troll's body. Even in the darkness of the night, it was still extremely eye-catching. The trolls seemed to want to wipe it off, but the more they did, the bigger the lump became.
After two ordinary troll scouts lost their concealment, was there any suspense in facing an aggressive squadron of cavalrymen?
The next morning, the entire army saw the spoils of war from the rapid reaction force.
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