"Huh..." Looking at the scene in front of him, Xu Xin let out a breath and wiped the cold sweat from his forehead.

He finally entered the underground world again.

This time, it is much more exciting than the last time.

It's so shocking to observe these giant monsters buried deep underground from a distance of only a hundred meters!

But why did they suddenly come to this place?

Why did that kind of mechanism appear in that room, separating the six of them and bringing him to this place?

Xu Xin glanced behind him and saw that there was nothing in this "elevator" which looked like a corner.

It seems that he can only go out and take a look.

Just as he was thinking this, the mysterious voice suddenly came to his ears.

The content of the voice lifted his spirits!

【Congratulations to the survivors, you have triggered the underground world escape event! 】

[The content of the event will be introduced below, please listen carefully.]

This is……

Trigger event!

He actually triggered an event here underground!

[This is the underground world hidden in the deepest part of the world.]

[In this underground world, there are countless giant and terrifying monsters. You are now powerless in the face of these monsters.]

[Your only chance of survival is to find the secret of this area and use it to escape back to the surface.]

[You and your five companions are scattered in various corners of this underground world, unable to communicate with each other.]

[But remember, even if you can't communicate, you are still partners who trust each other's lives during this event.]

[The duration of this event is within 24 hours after the survivor officially participates in the event.]

[Friendly reminder: This event is a trigger event, survivors can choose to participate or refuse to participate]

[If you choose to participate, please be sure to complete the activity, that is, find the secret of this area and bring it out of the underground. Otherwise, you will leave this beautiful world forever.]

[Of course, you can also choose to refuse to participate. The remaining number of refusals: 3.]

[But please note that rejecting this event means you are ready to survive in the underground world. At the same time, your rejection will also have a certain negative impact on your partners.]

【Survivors please consider carefully! 】

【Would you like to participate in the underground world escape event? 】

【Please make a decision within 20 seconds, otherwise it will be deemed as automatic giving up. 】

How could this be rejected!

He doesn't want to live in this underground world forever!

"Accept!" Xu Xin said immediately.

"Hmm?" Coco tilted her head and looked at him.

Presumably, the other five people have also heard this voice and accepted the task.

[Confirmed survivors have participated in the Underground Escape event, and the event timer has begun! ]

[Survivors, please find the secret of this area within 24 hours! ]

[Friendly reminder: The sky in the underground world is very beautiful.]

At this point, the mysterious sound stopped.

Xu Xin also let out a breath.

Find the secret of this area?

With such ambiguous goals, who knows what they are going to do...

He thought of the scene predicted by Ji Chaoyang, and...Xue Lan.

What does this secret have to do with Changyin's family?

Also, they said that the six of them were still important partners in this activity, and that refusing the activity would affect the other partners...

Could it be that their previous guess about their partners was correct?

It's really confusing.

Fortunately, there is a friendly reminder.

The sky of the underground world?

Where does the sky come from in the underground world? Isn't the sky here...

Huh…?

Wait a moment...

Looking at the chaotic world outside the door, he suddenly felt very out of place.

After a careful observation, he opened his eyes and found the place where he felt uncomfortable.

Originally, he thought that he could see things outside clearly because of the night vision ability he gained after taking the blue-level red berries.

Because there shouldn't be light in the underground world, it should be pitch black.

The only light should be the light emitted by those "fireflies" as big as cars.

The last time he discovered the underground world, it looked like that.

But now I see...

There's actually... light outside?

daytime?

Although the brightness is far less than that of the bright noon sun on the ground, it is almost the same as the brightness of the early morning on a rainy day.

???

What's going on?

Why is there light in the underground world that illuminates the entire world?

He squatted down at the door and looked upward outside.

The height of this underground world has not changed much from the last time he came here, it is about a thousand meters high.

At an altitude of thousands of meters, he saw fine, dense plant roots.

It is said to be dense because the distance is very far.

You can tell they are roots from such a distance. The actual thickness of these roots must be at least one meter.

Those are probably the roots of the tree house.

Judging from the map, his current horizontal position is about ten kilometers away from his tree house.

Judging from the range of the roots above his head, they are indeed the roots of his tree house.

But that's not the point.

The point is, he didn't find the light source that illuminated the surroundings.

Looking at the direction of the shadows of the plants and vines in front of him, he knew that the light source was in the opposite direction of the door.

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