The operators' faces turned deathly pale in an instant, and the tense atmosphere reached its peak at this moment.

"Report! Our energy detection system has detected a powerful unknown energy fluctuation!"

An operator's voice trembled with anxiety.

The Commander quickly approached the console, staring intently at the data on the screen.

The fluctuation patterns on the screen were frantically jumping, indicating the energy intensity far exceeded their expectations.

"Everyone, immediately initiate emergency protocols, check the integrity of the submarine hull!"

The Commander's voice was filled with urgency.

Team members quickly sprang into action, frantically conducting checks at their respective stations.

Under the influence of this unknown energy, the submarine began to experience slight vibrations.

"Team member S, hull integrity check complete, no abnormalities."

"Team member L, propulsion system stable, no impact."

"Team member C, communication system normal, maintain contact."

A series of reports echoed inside the submarine. Despite the emergency, the team's professionalism allowed them to respond swiftly.

However, their vital signs started fluctuating wildly, and in just a moment, more than half of them perished!

"We have descended to a depth of twenty-five thousand meters; the environment here is much more complex than we anticipated."

The Commander silently pondered.

At such a depth, the water pressure around the submarine had reached unimaginable levels, but more concerning was this unknown energy.

The emergence of this energy inevitably brought new complications to this exploration.

"Team member J, activate the deep-sea radar, I need to know the source of this energy."

The Commander issued a new command.

Team member J quickly operated the console, and the deep-sea radar began its work, attempting to penetrate the dark waters and locate the source of the energy fluctuation.

With the radar waves transmitting, the tension inside the submarine seemed to reach its zenith.

Everyone held their breath, waiting for the radar echo.

Time seemed to freeze at this moment, with every second feeling extremely prolonged.

Suddenly, there was an unusual echo signal on the radar screen, strong and clear, indicating the energy source was somewhere not far from their location.

"Energy source detected! Coordinates being marked."

Team member J's voice carried a hint of excitement.

The Commander quickly moved closer to the screen, a glimmer of determination in his eyes.

"All team members, prepare to investigate the energy source; we may be about to uncover the secrets of the deep sea."

His voice brimmed with resolve, for according to the coordinates provided to Jiang Xiao and others by the deep divers, that thing was likely at this depth.

The submarine gently adjusted its course, advancing toward the direction of the energy source.

As the submarine progressed, the surrounding darkness seemed to thicken, as if an invisible force tried to thwart their advance.

It really was that thing!

A grand, icy altar hovered in this sea area.

Its structure was even several times larger than a nuclear submarine!

Overall, it presented a bronze hue, mysteriously bobbing up and down, but the floating height did not exceed one hundred meters in total.

The most puzzling thing was, despite the surrounding darkness and the lack of any light sources on the altar,

even without searchlights, everyone could see the altar.

It was as if its presence was the sole visible "light" at the seabed.

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