The Island of All People: I was exposed as the one who built civilization with bare hands

……

Island.

Upstairs in the city.

Qin Mu also noticed the sudden appearance of ten sea monsters, revealing a look of surprise.

These ten sea monsters….

It seems to be looking at him.

His eyes shone with wisdom, which was very different from the sea monsters he had encountered before.

“If it is not my race, its heart will be different!”

Qin Mu snorted coldly, not caring so much.

Adjusted the muzzle.

He simply pulled the trigger directly and shot wildly at the ten sea monsters who suddenly appeared to look lively.

“Da-da-da-”

Machine guns were constantly strafing and firing.

His newly developed weapon is called the repeating shotgun.

It was he who spent 1,000 survival points to buy the manufacturing drawings, which took several days to make.

By pulling the trigger to collide ….

It can shoot continuously, which is more convenient and convenient than flintlock guns.

The rate of fire is also even more amazing.

The firing range is also longer, reaching 300 meters.

These ten statues look at the lively sea monsters….

Naturally, it was also within range, and he simply started first.

And yet….

After a round of strafing from a burst firing gun.

He found that the ten sea monsters outside the city were actually unscathed!

Through a telescope.

He could see that many bullets had hit them, but they were all bounced off by the blue scales on their bodies.

“Defense … So strong? ”

Qin Mu’s pupils shrank, startled by their defense.

The world is really not ordinary.

There are actually creatures that can resist bullets!

“Roar—”

And after the ten sea monsters were provoked, they seemed to be completely angry.

A terrifying roar was emitted.

Jumped.

Trampled on the corpses of countless sea monsters and pounced on him.

Extremely fast.

You can only vaguely see the afterimage!

“Squeak-”

After the monkeys behind Qin Mu heard the roar.

He was even more frightened and paralyzed, curled up on the ground and constantly trembling.

In a flash.

The afterimages of these ten sea monsters spanned the corpses of two thousand sea monsters.

It is getting closer and closer to the city walls.

A few seconds later.

The ten sea monsters were only twenty meters away from Qin Mu!

It only takes two seconds to jump up the wall!

Upstairs in the city.

Qin Mu stood in place, but he didn’t move.

The gaze always stays on the afterimage.

“Roar—”

The ten sea monsters burst out into a roar again, revealing a hideous expression.

Qin Mu was already in their pocket in their eyes.

And yet….

Next second.

“Boom!”

Under their feet, a terrifying flame rose up into the sky.

A huge explosion was heard.

Engulf all ten afterimages.

A few seconds later.

When the light dissipated, a huge sinkhole appeared on the ground.

Twenty meters wide!

Ten meters deep!

Ten second-order sea monsters….

Disappear out of thin air!

……

Jiangcheng University.

Island Observation Room.

Everywhere there was the sound of mentors swallowing their saliva.

Including Li Songdao, everyone’s eyes widened, staring at the sinkhole that appeared out of thin air.

Silence!

At the last second just now, the afterimages of the ten sea monsters were about to approach Qin Mu.

But…

The scene they imagined Qin Mu being torn apart did not happen.

On the contrary, a terrifying loud noise suddenly broke out outside the city, and the entire island seemed to tremble.

Then there is this huge sinkhole in front of you!

Twenty meters wide.

Ten meters deep!

The city walls built by Qin Mu were even blown out of the foundation.

Shocking!

Half a day later.

The mentors looked at each other and couldn’t help but talk.

“What just happened? Where did those ten second-order sea monsters run? ”

“What did Qin Mu come up with? What the hell is going on? ”

“Is it gunpowder? Those ten sea monsters won’t be killed, right? ”

“It should not be dead, if it is dead, at least there are corpses, and there is nothing in the giant pit.”

“……”

The loud noise just now, as well as the sudden appearance of the sinkhole in front of them, startled all of them.

This power….

A sinkhole was created out of thin air, which was already equivalent to a third-order all-out blow!

Many mentors instantly thought of the gunpowder that Qin Mu had used before.

Before there was no artillery.

Qin Mudu planted a large amount of gunpowder to make traps to hunt sea monsters.

“No, not gunpowder.”

Li Songdao recovered from the shock and shook his head: “The power of gunpowder is not so great, unless he buried a million tons at the foot of the city wall. ”

He has some research on weapons in the age of technology.

The power of gunpowder is extremely limited.

It was difficult to blow up the sinkhole in front of him at once, unless Qin Mu was so frustrated that he planted a million tons of gunpowder.

But….

The entire island is estimated to not have so many gunpowder making materials.

“It’s TNT.”

The vice principal on the side suddenly spoke, and said with great certainty: “Before I became an island owner, I liked to study these old era weapon knowledge, this is definitely TNT!” ”

The crowd heard.

They all looked at him, and they didn’t understand what TNT was.

“Simply put, TNT is an upgraded version of gunpowder, also known as the king of explosives!”

The vice principal smiled bitterly and then explained, “One kilogram of gunpowder can only explode a boulder, but one kilogram of TNT can instantly produce 4.2 million joules of energy. ”

“In other words, it can displace a kilogram of objects by 420 kilometers, and a three-story concrete building can be flattened in an instant!”

Speaking of which.

He glanced at Qin Mu, who was standing motionless on the city tower.

The expression was a little complicated: “Calculated by the power of this sinkhole at present… Qin Mu probably used ten kilograms of TNT. ”

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