In an underground laboratory.

Bai Chulan was standing in the laboratory, with many corpses lying on the ground.

The last time Shi Chenchen came to the laboratory, it was in the middle of the night. There were relatively few people in the laboratory, which allowed her to get away with it.

However, at this time——

The people walking back and forth in the laboratory told the three people in the ventilation duct.

Now I can't get by as smoothly as before.

Shi Chenchen frowned. What should he do now?

But in this situation, it is not possible to stay where we are.

Now the situation that Shi Chenchen had been most worried about in the secret passage occurred: the laboratory was full of people.

It would be better if there were only two or three people.

Bai Chulan has never killed anyone before, so she and Wen Zhi should be able to handle the problem by then.

She observed that there were about a dozen people in the laboratory. If she went down now, she would definitely alert the enemy.

Shi Chenchen bit his lip, thinking about what to do next.

We still have to wait... wait like last time, until everyone in the laboratory goes to rest.

Wen Zhi, who was standing by, suddenly spoke up, his tone serious and unyielding.

"Chenchen, it's almost too late. We have to hurry now..."

Shi Chenchen hadn't had time to think carefully about the true meaning of Wen Zhi's words.

As a result, Wen Zhi went down first.

The people in the laboratory hadn't even seen Wen Zhi yet, and the next second -

His consciousness gradually faded after a cool sensation.

The surrounding experimenters looked at these uninvited guests in horror.

It seemed that their consciousness was still in a state of shutdown, and their brains, which usually worked at high speed, seemed to have frozen.

Can't process what I see.

When Shi Chenchen saw Wen Zhi going up, her eyes became stern.

She quickly handed the sleeve hidden in her sleeve to Bai Chulan, and she just pulled out a few sleeve arrows from it, followed behind Wen Zhi, and took care of them one by one.

All these changes happened too fast.

By the time Wen Zhi and his team had dealt with five or six people, these researchers, who had spent years in the lab and were almost powerless, realized that -

The Empire's underground laboratory has been broken into by the enemy!!

One of them had his eyes wide open, his whole body was shaking and cold.

But he still tried his best to keep his brain working. He picked up the communication device beside him and prepared to notify his superiors.

But the next second, Wen Zhi's sword was faster than his movements.

Another person fell down, still holding on to the communication equipment before dying.

Before he lost consciousness, he used his last bit of persistence to press the call button.

Wen Zhi also realized something and thought to himself that something was wrong.

He and Shi Chenchen nodded to each other and quickly and neatly dealt with the remaining few people.

After Shi Chenchen dealt with the last person, he picked up the communication equipment that fell in the corner.

Only to find that no one responded on the other end.

She frowned, and seemed to have a worse guess in her mind.

It turned out that there was a shivering "rat" hiding in the corner.

He held a sharp experimental instrument in his hand and rushed straight towards Shi Chenchen's unguarded back.

"Be careful!!" Shi Chenchen saw Wen Zhi's wide eyes and seemed to realize something.

A chill "whoosh" sound passed through behind me, as if cutting through the dark black fog, and the target was clear and distinct.

Shoot straight towards——

Behind Shi Chenchen, the last experimenter fell down.

Finally, Bai Chulan stepped out from the darkness.

In her hand was the sleeve arrow that Shi Chenchen gave her for self-defense. Her right hand was still shaking slightly, as if she was not used to it yet, but her eyes were full of bright determination.

Shi Chenchen looked at Bai Chulan and smiled. It seemed that Bai Chulan was using this weapon quite smoothly.

After dealing with the people in the laboratory, the three of them nodded to each other.

The next second, the entire ground began to shake violently.

Shi Chenchen and Wen Zhi looked at each other, their brows fixed in tacit understanding.

This vibration was not caused by them.

Shi Chenchen felt the source of the vibration, and it seemed to be coming from...

Laboratory No. 1!!

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