"So, of the four giant alien invaders' warships, only the last one remains?"

Xu Ying had an expression of complete disbelief and murmured to herself, "Is this true?"

"We're going down there."

Xu Xin looked around.

"Now that the leader of the alien invaders has returned, he will surely learn what happened in this World Tree and will most likely check out the Scarlet Crystal."

They have to go back.

At least we should remind the people below.

And here...

The Crimson Crystal here also needs to be destroyed.

But not now.

These non-concentrated scarlet crystals have a relatively low hardness and a low melting point. In fact, a single nuclear weapon can almost completely destroy them.

And that concentrated scarlet crystal...

"Put it here first."

Xu Ying suggested when she saw Xu Xin looking at the crystal covered with black cloth.

"This crystal isn't very big. I just saw it, and it's actually placed right here. We can just put it away."

Can directly put the crystal away...

Xu Xin nodded: "Okay, let's put it here first."

Although it can be put away now, no one can guarantee that the leader will not return to this room.

If they took the scarlet crystal away now, once the leader returned and discovered that the scarlet crystal was stolen, the situation would basically be out of control.

They had to be careful in everything they did before detonating the giant concentrated scarlet crystal.

"After the next mission is completed, we'll return here and place a few nuclear warheads before detonating the giant concentrated crystal," Xu Xin said. "Then we can take this concentrated scarlet crystal away."

"I think so too." Xu Ying raised her eyebrows slightly.

"Let's go back first."

"Go out and take a look first. See if there are any giant ships coming back."

"good."

…

In the underground space of the World Tree, next to the concentrated scarlet crystal.

The red mist is still lingering.

There was no sign of fading, not even a sign of disappearing.

Zhao Xiaochuan and his colleagues have achieved great results.

"That should be about right, right?" Wen Guixin placed a hand on one of the alien invader workers. "We've already dug quite a few bullet holes in it."

"It's not enough."

At this time, Zhao Xiaochuan was processing the tunnel dug by the three alien invaders.

Hearing Wen Guixin say this, he said without turning his head: "The inner middle and lower parts of the scarlet crystal cannot be perfectly covered yet."

"How long will that take?"

Zeng Tao was currently pressing down on an alien invader.

This alien invader had just suddenly lost control, so she took action.

"An hour, at least an hour."

Zhao Xiaochuan wiped the sweat from his forehead.

"In fact, even one hour won't achieve perfection. Two hours is better."

"Um...it's okay." Wen Guixin said.

She removed her hand from the alien invader.

And this alien invader, which was once again corroded, began to work unsteadily again.

"Sister Guixin, this one! I can't hold it down anymore! It's so strong and so slippery!"

Zeng Tao held down the alien invader below with all his might.

But the strength of this alien invader was beyond her imagination. Although it was not as strong as her, it closed its eyes and was about to slide out from under Zeng Tao.

Wen Guixin stepped directly on the alien invader.

Then, the black slime suddenly shrank and quickly turned into a dry membrane in less than two seconds.

"Ah... is this one dead too?"

Zeng Tao stood up from the ground and brushed off the debris on her knees.

The shrunken and shattered fragments of the alien invaders.

She kicked the dried corpse of the alien invader on the ground in annoyance.

In an instant, the corpse was shattered into pieces.

Then, under the illumination of the scarlet crystal, it disappeared completely as if it were burned.

"This is the second one. We only have the last one left..."

Wen Guixin sighed as she looked at the alien invader she had just saved.

Even this one was clearly not in the right condition.

"If you die, then die."

Zeng Tao picked up the cutter used by the alien invader from the ground.

"As long as the cutter is still usable, it's fine. Then, can I use this cutter?"

"Then... go help Lou Fei'er."

"good!"

Zeng Tao took the cutter and drilled out of the hole and out of the scarlet crystal.

After the death of the first alien invader, Lou Fei'er inherited its job.

She is now cutting in another cave.

"This one won't last much longer, right?"

Zhao Xiaochuan rubbed his wrist and said, "I didn't expect that one of them died not long after Brother Xin left, and now another one has died."

"no way."

Wen Guixin sighed.

In fact, if these alien invaders had remained in their previous state, she could actually keep them alive for a long time.

But the uncomfortable thing is that the disposable protective film they were wearing before gradually lost its effect under the strong light of the scarlet crystal in the red mist.

This resulted in them being directly exposed to the light of the scarlet crystal.

Or in the light enhanced by the red mist.

Hence, the result is what we have now.

"Why not just kill this one too?"

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