The submarine was large, with a thick shell, black throughout, and no windows or observation ports, but Lu Xuan still found a lot of special cameras.

The people inside the submarine use these cameras and other detection devices to probe the situation outside.

Lu Xuan circled the submarine, although he didn't find the entrance, but the aura had already explored the situation inside.

There were twelve people inside, all from the Bald Eagle Empire, and they had been here for a long time.

Or rather, it's not that the twelve of them stay here all the time, but they rotate regularly, but this submarine has been here for a long time.

As for the purpose of this submarine staying here, the people in the submarine did not say it, and Lu Xuan could not know.

In addition to these twelve Bald Eagle Empire people, there are many modern weapons in the submarine, even if those three octopuses are large, they cannot be opponents in the face of modern thermal weapons.

Lu Xuan sneered, his figure flashed, and he had already entered the interior of the submarine.

He was still invisible, and the temperature of his body changed with the temperature around him, so it was impossible for anyone to see him or spot him.

There are sixteen rooms inside the submarine, six of which are dormitories, and the remaining ten rooms are wheelhouses, storerooms, data rooms, and studios.

When Lu Xuan came to the data room, he had already scanned all the information here with just a thought, and found that they had no other actions, but just a complete record of the situation in this sea area, including whether there were ships passing by on the sea, what type of ships passed by here, and whether there were any tasks;

Another example is the change of ocean currents in the sea, the weather conditions on the sea, various changes around the sea area, and so on.

Anyway, everything they observed was recorded, compiled into a book, and sent to headquarters.

Lu Xuan was a little puzzled, these people have lived in the submarine for so many years, is it just to collect these things?

Although Lu Xuan has lived for thousands of years, it is only after waking up this time that he has entered the modern society, even if he has rich experience and countless experiences, it is difficult to think of the use of these seemingly ordinary materials at this time.

But in reality, the more mundane the information, the more useful it becomes.

Lu Xuan went to the studio again, and there were four people from the Bald Eagle Empire who were making records, and the content of the records was the same as what he had seen in the data room before.

Lu Xuan raised his hand and sent out an aura, and all four of them passed out, and then Lu Xuan's hand was placed on the head of one of them, searching for memories, but there was still nothing to gain.

These people are only sent out on missions, and they don't know where the information they collect will be sent or what kind of role it will play.

Even so, Lu Xuan did not hesitate, and made a move to faint the remaining people in the submarine, searching their memories one by one, but there was still no clear result.

In desperation, Lu Xuan could only kill all twelve of them, and then quietly left.

This time, Lu Xuan did not destroy the corpses, but used a special method, these twelve people did not have any wounds on their bodies, but everyone had a frightened expression on their faces, as if they had seen something terrifying.

After doing this, Lu Xuan did not leave, but waited patiently near the submarine.

The Bald Eagle Empire has spent so much thought on this submarine, and it will definitely pay attention to the situation on this submarine from time to time, and the mysterious death of twelve people will definitely attract their attention and send someone to check it out.

As long as the people from the Bald Eagle Empire came over, Lu Xuan would be able to follow the vine and find more things.

Of course, Lu Xuan would not be stupid and waited in the depths of the sea, but left an aura on the submarine, and then came to the sea, found an unknown island, and started fishing.

It's good to wait for the Bald Eagle Empire's reaction while fishing, there's no need to wait down there all the time.

Sure enough, in less than a day, a small submarine came to the vicinity of the submarine, and after some operation, two people in work clothes walked out, opened the hatch of the huge submarine, and walked in.

They went in with their front feet, and Lu Xuan appeared inside the submarine, and he wanted to see how these two people would react when they saw the corpses of these twelve people.

After another operation, the two men took off their heavy work clothes and entered the huge submarine, shouting something, but receiving no response.

Soon the two of them realized that something was wrong, and hurriedly went from room to room to check, and soon found twelve corpses.

These twelve people have not been dead for a long time, and the corpses have not changed much, but even so, it still makes these two people have a strong fear in their hearts.

This is the depths of the sea, the inside of the submarine, theoretically speaking, it is impossible for people or other creatures to break in, and there is no trace of damage outside the submarine, let alone any signs of forced entry, so how did these twelve people die?

After a brief moment of panic, the two of them began to check the survival indicators on the submarine and found that there were no problems.

There were no problems with the environment on the submarine, so the twelve did not die for this reason.

And the twelve men all had horrified expressions on their faces, indicating that they probably saw something very terrible before they died.

That's what the two of them couldn't figure out the most.

What happened to them, that they all died?

Did you encounter a monster, or did you encounter a ghost?

Although they don't believe that there are ghosts in this world, the depths of the sea are really too mysterious, and it seems not impossible for a creature that is difficult to explain with science.

Thinking of this, the two of them became nervous, and they didn't care about looking for the reason, so they casually found a person's body and took it with them, and returned to their small submarine as fast as possible.

It's fast, but after all, this is the depths of the sea, and they have to work on the ship first, and then go through complicated operations to get out of this huge submarine, and then board the small submarine, the process takes about half an hour.

Normally they don't think it's a long half hour, but this time they really felt scared.

Twelve people died in an unknown manner, and the monster that killed them is likely to still be here, and if they delay here for a second longer, they may die here!

Fortunately, the process went smoothly, and they managed to return to the small submarine with a corpse and leave quickly.

However, none of them noticed that Lu Xuan had also entered the small submarine and returned with them.