Armor-Piercing Munition: Face Me, Carbon-Based Monster!

Doppler radar??

Hearing Fu Xi's assessment, Chen Jian couldn't help but frown.

He had imagined many possibilities, but he never thought that this device could be related to radar.

"What do you mean? Is it a reconnaissance device?"

Chen Jian asked.

"It doesn't seem like a reconnaissance device."

In the headphones, even Fu Xi's voice sounded a bit hesitant.

"This seems like some kind of control device, likely just a part of a control system."

"Sir, based on your information that 'there are many similar devices in Mountain City,' I can preliminarily judge that this should be one piece of equipment serving a vast control system."

"But the purpose and function of the control system... are unknown."

"Possibly, it's an option for achieving full city automation."

"But as for the specific plan, I can't make an effective judgment."

"Understood."

After Fu Xi's words, Chen Jian let out a long breath.

Mountain City.

This city is becoming increasingly complex.

The secrets hidden beneath the mountains have been unveiled in the first layer, but when Chen Jian tried to explore its core, he found that the city was like an onion, peeling one layer reveals another.

Underground.

Only by successfully entering beneath Mountain City can one truly penetrate these thick cocoons and reach the very center of the secret.

Thinking of this, Chen Jian looked at Ji Xing and asked:

"Did you remember that smell?"

"I remember it."

Ji Xing nodded emphatically, handing the cloth strip in his hand to Chen Jian.

"Lin Yu wasn't seriously injured—at least not when he left this cloth strip."

"We need to explore downward. Such a big commotion, if they haven't discovered us yet, it's likely that the team he led has already entered the underground area of Mountain City."

"I think so too."

Chen Jian turned and looked at the park below, and after a pause, said:

"From the current clues, Lin Yu probably went into the park to look for food after running out."

"They hunted a few deer and left with the venison."

"However, the park is on the edge of the restoration zone, with a large number of unmanned machines damaged by electromagnetic pulses around."

"They are unlikely to enter the park when Mountain City is repairing the damaged area, which means they most likely arrived at the park after the second nuclear blast."

"No more than 24 hours."

"After getting the food, they will definitely take a short rest."

"That can basically determine that at least 18 hours ago, they were likely still alive."

"And 18 hours ago, was when we conducted the first round of aerial reconnaissance and material delivery."

"The supplies we dropped had significant smoke markers and buzzers."

"If they were still alive, they would have found the airdropped supplies."

"But they didn't respond."

"There's only one possibility."

"They are in a place where they can't see these signals."

"Underground."

"How many underground entrances are there within a kilometer from the park?"

After Chen Jian's words, Ji Xing immediately opened the PDA.

"Currently unable to determine the exact location of the underground entrance."

"But based on the analysis of the distribution density of unmanned machine wrecks shown on the map, there are a total of three potential entrances nearby."

"They are the cliff tunnel, the subway station entrance, and the underground civil air defense project below the building in front."

"Which one do we start with?"

"The cliff tunnel."

Chen Jian answered decisively:

"There are the most damaged unmanned machines there; it should be the main passage."

"Prepare for battle."

"Zhang Chao and Liu Hao stay on standby, the rest follow me."

"Understood!"

Upon Chen Jian's command, everyone immediately moved.

Guo Xu nodded to the two who stayed behind, then quickly approached the three of Chen Jian who were organizing their gear.

"Where are we going?"

He asked.

"Can't you see yet? The above-ground portion of this city is purely a facade."

"Or, even if it's not a facade, it's just some kind of disposable 'redundant facility'."

"To find out the truth about Mountain City, we must go downward."

"Downward? More downward?!"

"Yes."

Chen Jian answered simply.

Guo Xu frowned tightly.

For him, even "entering Mountain City" was already considered a desecration.

And now, Chen Jian wants to continue going down...

Indeed, after entering Mountain City, he could clearly feel that this city wasn't as "divine" as he originally thought.

It can even be said that it was just a relatively new ruin.

However, upon hearing Chen Jian's speculations about the "underground world," he felt a surge of hope.

Perhaps, that is the true location of the so-called "Holy Land"?

Perhaps, as long as one doesn't actively step in, the belief in the Holy Land won't shatter?

He was reluctant to take that step.

But he also knew that he came here to take that step.

Only by completely breaking the idols can faith be reborn.

Guo Xu took a deep breath and then asked:

"Should we go directly in?"

"Isn't it too dangerous?"

"No."

Chen Jian shook his head.

"First, use unmanned equipment for exploration."

"We need to first establish a signal relay station and then enter the tunnel with drones to build a 3D image and complete the first round of reconnaissance."

"The process could alert possible internal enemies, so we must be ready to retreat at any time."

"Pass me the explosives over there."