Why?

Because the amount of energy required is too great.

To create a sufficiently powerful infrasound, a very specific sound source is required.

There must be an extremely powerful burst of energy. For example, tsunamis, earthquakes, volcanic eruptions, nuclear explosions, and so on. You can imagine how much energy they contain.

Moreover, the transmission of sound waves requires a medium. But there is no air in outer space. It is not conducive to infrasound transmission.

Of course, no air is not the same as no medium. Cosmic dust is also a medium. Sound waves can also be propagated. It's just that more energy will be expended. It may be more than several times.

Fortunately, in the atmosphere, there is no additional consumption for the transmission of infrasound waves. In the atmosphere, it's a pretty good weapon. It's just that for fighters, such a weapon is also not practical. Because there is not so much energy. The fighters are equipped with miniature nuclear fission engines, and the output power is not large, only a few million kW.

For infrasound, such a transmission power is far from enough.

Millions of kilowatts of power to create volcanic eruptions? Able to create a tsunami? Able to create earthquakes?

It's too far off. The two sides are not at the same level at all.

500 km ......

400 km ......

400 km ......

Almost instantly, the eight-plane formation was closer.

Liu Zhenbei silently urged his brain consciousness. The majestic Naqoura energy exploded instantly.

Infrasound, unleashed!

Silent energy spreads in all directions.

A death trap loomed over the eight-plane formation in the distance.

The eight-plane formation actually did not react at all.

Maybe it's too close.

Maybe they didn't care.

Perhaps the presence of infrasound waves was not detected.

300 km ......

250 km ......

"Toot toot!"

"Toot toot!"

Finally, the light brain made another sound.

But it was the separation of the eight-plane formation. Apparently sensing the imminence of infrasound.

Theoretically, as long as all eight fighters are scattered, infrasound is powerless. After all, it won't be able to envelop a wide range.

At the speed of Mach 50 of the Eagle Wing, it is more than ten kilometers in one second!

As long as one second, it can fly more than ten kilometers, how can infrasonic catch up?

However......

Something weird happened.

Eight fighters of unknown origin suddenly began to distort on the radar.

The flight trajectory swayed, and the brush fell.

Obviously, this is a fighter out of control.

The pilot inside may have died.

"Hit." Charlotte was not surprised by this.

"Really?" Liu Zhenbei himself was a little surprised. It's terrifying, and his combat effectiveness is getting stronger and stronger.

Seriously, he has never had a clear idea of his combat effectiveness.

Because it's always changing.

Obelisks can be upgraded.

The number of names on it will continue to increase.

It feels like the Obelisk is progressing much faster than his own mental capacity.

I thought it would take a little time for the eight-plane formation!

Unexpectedly, a subsonic weapon was solved.

It's boring.

There was no challenge at all.

It would be nice to have another eight-machine formation. Eighty, eight hundred, eight thousand!

It's a pity that no fighter planes appeared.

"Poof!"

"Poof!"

A faint sound came.

It was the sound of an out-of-control fighter plane crashing to the ground, fleeting.

Xia Luoxi also felt very regretful.

Liu Zhenbei's combat effectiveness has not been fully exerted at all!

I just tried the infrasonic weapon, as well as ultrasound, energy concussion, and energy crit! They're more powerful and have a wider range!

In desperation, I had to continue to fly to Longjing City.

……

"Gone?"

"Gone."

"How could it be ......"

"Nothing is impossible."

"I ......"

"Don't be unconvinced. I just warned you. Sending fighter planes to intercept Liu Zhenbei was a complete waste of effort. That guy can't be killed! ”

“……”

"Let's go back. Condolences change. ”

"No! I'm still not convinced! I must find his weak point and kill him! ”

"How do you kill?"

"As long as it's human, there's a weakness."

"That's right. But so far, no one has been able to find Liu Zhenbei's shortcomings. ”

"There will be."

"Theoretically, yes."

"I'm just not convinced! Why is he so powerful? Are we going to live under his shadow for the rest of our lives? Our Baili family must not just forget it! ”

“……”

The two looked at each other silently.

One of them is the Hundred Miles Eagle Flying.

The other is an unknown young man. The hair is blonde. The eyes are faintly red.

The two of them stood on a lonely castle in the wilderness, and the night was blank, like old men in the middle of their lives.

It was from here that the fighters took off.

All the markings on it are made of the shogunate.

Their purpose is very simple, that is, to let Liu Zhenbei and the shogunate fight directly.

It's a pity......

Their plan died too quickly.

The eight fighters did not have a chance to make a move, and they were silently wiped out.

"Jiang Ran, what weapon did Liu Zhenbei use?"

"I don't know."

"What weapons can shoot down eight fighters at the same time?"

"I don't know."

The red-eyed youth shook his head slowly.

He wasn't lying. He really doesn't know.

However, one thing is for sure, he will soon be face to face with Liu Zhenbei.

This guy came to Longjing City, and the wind and rain in Longjing City are only afraid that they will be more rude.

Who knows what tomorrow will hold for Longjing City?

……

The fighter plane landed slowly.

Liu Zhenbei jumped out of the plane.

There was no one around. There was only a platoon of heavy artillery.

A platoon of self-propelled heavy guns of caliber 704 mm. Not a mech. It's pure heavy artillery. Only the ability to launch. No fighting ability.

"Have you seen it before?"

"Nope."

"Model battering ram. Weight one hundred and thirty tons. Charge time is 30 minutes. But capable of firing super-compressed sub-bullets. ”

"Yes."

Liu Zhenbei nodded thoughtfully.

The difference between a self-propelled heavy gun and a mech is significant. Its function is quite simple.

The Red Devils are capable of fighting. A Red Devil Tiger is a fighting fortress. However, battering rams are not. It's just pure artillery. There is only a monotonous launch function.

Because the function is relatively simple, there are not many places that can be used. Probably like the Simons, they used to bomb from a distance.

The problem is that this self-propelled heavy artillery also requires a long charging time. The intensity of artillery fire was poor.

Unless hundreds of units are deployed at the same time, effective firepower can be formed.

If there are only a few dozen units, they will not be able to form a devastating blow to the target.

A veritable battering ram.

It is used to bombard the enemy's solid targets.

Xia Luoxi was already well aware of Liu Zhenbei's special ability. Naturally, it was the first time to give him the most convenient weapon.

"Target?"

"Fort Turing." 11 166 Reading Network