Very soon, Yao also followed Li Fei’er here.

After understanding the situation, she said to Ling Feng, "There’s no need for you to stay here, you can return to Lingyun Island."

"Hmm, I’m just afraid that if something sudden happens, I won’t be able to get back in time." Ling Feng replied.

"As long as it’s not happening instantly, we’ll have time to react."

Yao smiled gently, then added, "If necessary, we can deploy two Magic Crystal Warriors here, so they can hold off any incident temporarily."

"Better not, I don’t want to expose their existence just yet."

Ling Feng shook his head and continued, "I’ll go and check each of the caverns, and while I’m there, I’ll set up a Teleportation Array for quick support."

"Then go ahead."

Yao nodded and said, "Using my Curvature Spaceship can get us there faster, I’ll take you!"

Ling Feng agreed, got up and left with her, heading to other locations using the coordinates provided by Gu Li.

There are a total of twelve places where caverns appeared, each located in mountainous regions, far from where people usually are.

Precisely for this reason, when a mountain collapse occurred with monsters emerging from inside, fortunately, no innocent people were harmed, as those who arrived first were essentially from the Ling Corporation.

The situation is now under control, with a warrior stationed at each location, and the Teleportation Array sent by Ling Feng solves a significant problem.

Finally, Ling Feng arrived at the cavern where Zhu Fei was, located in the Golden Triangle region, not far from the mountain camp of Buddha Master.

Upon arrival, seeing the red giant beast’s corpse, Ling Feng nodded to Zhu Fei and said, "Brother Zhu, thank you for your hard work, without your people, I would have been overwhelmed and unable to handle it all!"

"It’s one of our responsibilities; the Ling Corporation has taken over local livelihood and economy, naturally, we have a duty to protect the lives and property of ordinary people!"

Zhu Fei said, then asked, "Mr. Ling, given what happened, do you have any thoughts?"

"My main concern is what these events are truly about, and where these monsters came from." Ling Feng replied.

"The simplest way is to go down into the caverns, but I wouldn’t recommend it!"

Zhu Fei smiled and continued, "Since Mr. Ling has technological power, why not use it?"

"That’s quite the reminder!"

Ling Feng nodded and continued, "Exploring what lies beneath the caverns is something we certainly need to do!"

After setting up the Teleportation Array, he went with Yao to the Moon Base, and then requested the core to provide some robots.

However, Ling Feng was not satisfied with any of these robots, as they did not meet his requirements.

For underground exploration, they needed autonomous control, resistance to high temperatures and pressures, and also night vision capability.

In the end, the core could only say to Ling Feng, "Master, if you need robots with such features, I can create one immediately, but it would take some time. If you can’t wait, the Magic Crystal Warrior is also an option."

"You go ahead and create one; I’m still reluctant to use the Magic Crystal Warrior!" Ling Feng said.

"Alright, I’ll arrange for production immediately; it should take about two hours!"

The core said, then went silent.

Ling Feng was not in a hurry; he patiently waited.

Two hours later, according to his specifications, the core assembled an intelligent robot similar to the Mars rover previously launched by America.

Possessing autonomous control, capable of transmitting information remotely, and equipped with radar and infrared night vision system, it completely met Ling Feng’s needs.

After obtaining the robot, he promptly left the Moon Base and then teleported back to Liangdong Village.

Ling Yao and Long Xiaoyu, among others, were still present. Seeing him return, they all set off together to the mountains.

The thin steel wire suspends the robot downwards, and the winch carries a tool to record length, descending over five thousand meters until the robot touched the ground.

"Good heavens, that’s so deep!" Li Fei’er exclaimed.

"Indeed, it is very deep."

Ling Feng’s brow furrowed as they waited for the sensors on the robot to transmit data, revealing a temperature of sixty degrees below; if a person were to descend without protective measures, they wouldn’t endure for long.

The pressure was fairly normal, only slightly higher than on the surface.

Then the robot automatically released the steel wire and began exploring the cavern.

Expecting an immediate discovery, they hadn’t anticipated walking for nearly an hour without seeing anything!

Ling Feng, viewing through the lens, only saw an extensive underground space, with nothing but rocks and no indication of any living organisms below.

Though this is positive news, Ling Feng felt slightly disappointed, pondering how to determine the cavern’s formation without creatures, and where those sinister monsters emerged from?

The robot moved deeper into exploration while Ling Feng patiently waited, hoping it would uncover something.

Time slipped away.

The exploration robot was fitted with signal relays; otherwise, it couldn’t traverse tens of kilometers underground while transmitting signals.

However, there is also a limited number of relays.

When the last relay was placed on the ground, it could only proceed another kilometer forward.

Beyond this distance, Ling Feng and the others outside would not be able to see the lens footage.

Though the robot could continue onward, knowing what its lens captured would only be possible once it returned.

If it encountered any attacks below, the recording data would undoubtedly be lost!

As Ling Feng pondered helplessly, the footage suddenly flashed!

"Hmm? A discovery!"

Ling Feng exclaimed, and everyone immediately crowded around.

Soon, they witnessed a peculiar scene—a shadow appeared on camera.

Data analysis indicated that the person had body temperature—it was not a misconception, nor was it a stone statue.

Yet the figure stood motionless, amidst a more than sixty-five degree high temperature underground, seemingly unharmed!

Everyone watched dumbfounded as the exploration robot, devoid of human emotions, feeling neither surprised nor fearful, directly approached the figure.

Its tracked mobility allowed it to traverse uneven terrain, so it soon reached the figure.

Comparing lens height, Ling Feng estimated this figure to stand at least three meters tall, possibly more.

Just as the lens lifted to examine the person’s visage, the screen abruptly turned black, rendering it invisible!

"Damn, what happened, failing at a crucial moment!" Ling Feng exclaimed in anger!

Li Fei’er pointed her finger and said, "It’s not a signal interruption; the lens is blocked! Uncle, see!"