Good fellow, this is making fun of me for being brainless!

But now he couldn't get angry at all.

No way, who asked them to save him?

Below, as the reservoir valve closed, those slower mutants finally reacted, starting to roar and rush upwards.

Some mutants even started using their hands to pull at the two valves, trying to prevent their closure.

However, how could such a massive machine be stopped by human strength?

Even if they are mutants, they can't.

The valve slowly closed with unstoppable momentum, like a Gate of Tartarus, ready to trap the demons below in Hell.

At this final moment, the members of the Rat Exterminator Team were already red-eyed, firing on all cylinders, even Jiko's dual-linked blasting machine gun was about to be exhausted.

"Ah ah ah ah ah!!"

The sound of gunfire and angry shouts merged together.

The scene was a chaos, sparks illuminating every face, tinged with madness.

"Beep~ Beep~ Beep~ Beep~"

A short and urgent sound rang out.

It turned out Rumen had returned, throwing a Shock Grenade down to the slope below.

"Cover your ears!"

Glasses Guy reminded.

Seeing this, Morris instinctively dropped his gun, crouched down, and covered both his ears tightly.

"Buzz!!"

The next second, a powerful vibration swept through, terrifying soundwaves mixed with air blew everything around away,

The solid metal walls all around vibrated, dust falling down from them.

Jiko was lying on the ground, intending to curse but couldn't open his eyes because of the flying sand and gravel around, let alone speak.

If the aftermath was like this, there was no need to mention the mutants who bore the brunt of it.

At the slope's mouth, several people about to rush up were suddenly blown away.

Their bodies were torn apart in the powerful explosion, unable to even scream.

The crowd behind didn't fare any better, being thrown downwards by the huge kinetic energy.

One after another, like tarot cards, they fell.

"Boom!"

Meanwhile, the valve finally closed.

Two metal plates collided heavily, making a dull sound.

"Success!"

Morris fell back sitting on the ground.

The series of high-intensity shootings just now had worsened his already severe injuries.

"Beep~ Purification process initiated~ Raising water level, please wait..."

From behind, an electronic prompt suddenly sounded from the small hut.

This was in ancient Lengleng language, but Morris didn't understand it.

The speaker wasn't human, and his Communication Imprint still couldn't decipher what the machines expressed.

However, at this point, even if they couldn't understand, it didn't stop them from grasping the message's essence.

Because they could clearly hear the sound of water pouring in their ears.

Obviously, this was a reservoir for purifying wastewater.

And what was most abundant in a reservoir, naturally, was water.

"Roar roar roar!!"

The mutants below let out unwilling roars.

But through the thick metal valve, this sound reached the ears of the Rat Exterminator Team as nothing more than insignificant whispers.

A trace of cruelty appeared in Morris's eyes.

Presumably, this would be the "last whisper" of those monsters.

Demons, it's better for them to stay in Hell.

Time ticked by, second by second.

Initially, you could hear the sounds of impacts and roars below, but as the water level rose continuously, as the reservoir filled with sewage, the noises inside became smaller and smaller, until eventually disappearing altogether.

The members of the Rat Exterminator Team gathered together, exchanged glances, eyes full of relief for having survived a disaster, joy for completing the task, and a touch of imperceptible shock.

Eliminating over a hundred people in such a manner, although they were mutants as good as monsters, such scale of slaughter still brought a tinge of heaviness to their hearts.

This didn't mean any of them felt sympathy.

Purely as humans—or humanoid beings—it was a bit of guilt.

However, thinking of the deeds of these mutants, and the scenes witnessed along the way, the hint of guilt in their hearts instantly vanished.

"Rumen! You've earned great merit this time! Without you, we wouldn't have completed the task and returned alive!"

Jiko stood by the reservoir valve, loudly praising Glasses Guy.

"Captain, I propose that when we return, the reward we earn from this mission should have a preferential distribution for our meritorious person! I won't even take my share this time, give it all to Rumen!"

Morris, leaning against the wall and having his injuries treated by Ashley with a portable medical kit, squinted at him in amusement:

"Jiko, didn't you look like you wanted to eat him just now? Why are you now actively asking for credit for him?"

The brawny black man looked embarrassed, scratching his head:

"Boss, you know me, I wouldn't harbor any bad intentions... I just misunderstood at that time, thought this kid wanted to escape alone... Rumen, it was my fault, I shouldn't have doubted you..."

He apologized to Glasses Guy beside him.

The latter didn't mind the earlier incident, just waved his hand to indicate it's fine.

"Alright, Rumen's accomplishment must be recognized, after all, without him, we probably would've ended here, not to mention slaying so many mutants."

Morris spoke.

He took out his Starry Mobile to simply account for the gains this time.

Calculating up to the total points acquired, even he, the team captain, couldn't help but raise his eyebrows.

"50 points! Plus the target number for the mission, a total of 500 points! Good fellow! That's as much as we make in a year!"

He beamed with joy, and the others were equally exuberant hearing this.

"Rumen, how did you discover the switch over there? At the start, even I couldn't tell this was a water purification facility."

Morris turned his gaze to Glasses Guy, voicing the curiosity of the other two as well.

Rumen didn't show any pride, still calm as he replied:

"It's simple, you can judge by the terrain and surrounding facilities, mainly because..."

He gestured to a warning sign by the roadside.

"As we came along, these signs were plastered on both sides of the road, even guessing with toes, you should know this must be a very dangerous facility."

Morris first realized, then showed a surprised expression, asking:

"Rumen, could you possibly read the text on it? When did you learn ancient Lengleng?"

Glasses Guy adjusted his glasses and explained:

"No need to recognize the characters, sometimes deciphering a new language can be done by judging from its context..."

"Especially these frequently appearing warning signs, combined with the reservoir environment and the patterns on them, it's quite easy to guess what they mean."

He also pointed to the small hut:

"And the console there, also very simple, one-button foolproof operation, just like in a game."

Everyone listened to him narrating how the crisis was resolved earlier, all quietly sighing.

Their teammate was increasingly capable, with potential to become a big shot.

They were resting, planning to first withdraw soon, report the situation here to the Star Alliance, and let Weiss decide whether to inspect the results here.

However, at a spot they didn't notice, the heavy valve suddenly trembled.

The dust on its surface gently shook, like pieces of paper on a speaker, faint and barely noticeable.

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