157: Ultrasonic gun

Vast Sea City, south of the city, Dark Ruins Black Market.

Inside a secret room, the atmosphere was heavy.

"Still can't reach Marquis Chuanyun?"

The person in charge, Chen Feng, had a gloomy face, his gaze sweeping over his subordinates like aknife.

Marquis Chuanyun had been out of contact for over a day and a night, which filled him with a bad premonition.

"Yes, sir."

His subordinate answered tremblingly.

That day, Marquis Chuanyun left in pursuit of a suspicious individual and never returned.

They searched in the direction Marquis Chuanyun had left but found no traces of a Marquis-level Expert battle.

"Continue the search, and at the same time, closely monitor the movements of all major forces within the city."

Chen Feng waved his subordinate away, his brow deeply furrowed as he fell into thought.

With the strength of a Marquis-level Expert, dealing with a few Fourth-Rank Evolvers should be as easy as turning over a hand.

The only explanation was that other forces had intervened.

To silently eliminate a Marquis-level Expert was certainly not the work of an ordinary Marquis Rank; it was highly probable that a King-level Expert had made a move.

The forces near Vast Sea City with a King-level Expert were few and far between.

But Chen Feng racked his brains and still couldn't figure out which force would target the Dark Ruins... At the same time.

The Gu family mansion in Vast Sea City was in ruins.

"These lunatics!"

Patriarch Gu Qiyuan looked at the ruins before him, his face ashen.

Not long ago, the Barren Alliance dispatched several Marquis-level Experts to raid the Gu family, causing heavy losses.

If not for the timely appearance of the Gu family's King-level Old Ancestor, the consequences would have been unimaginable.

Gu Qiyuan couldn't understand how his side had offended the Barren Alliance.

What made him even more frustrated was that in the past, whenever the Barren Alliance appeared in Vast Sea City, it would inevitably be attacked by the Federal Army.

But recently, the Federation had taken a dislike to the Gu family, and for the Barren Alliance's sneak attack, they actually turned a blind eye.

Recently, things had been going badly.

First, the personnel competing for the ore vein went missing, and even the people sent by the Star Pavilion for support disappeared.

To appease the headquarters' anger, the Gu family had to pay a huge price.

Not only that, their industries in Vast Sea City were jointly suppressed by various forces.

Even the Federation began to investigate their industries.

Now, the Gu family was struggling in Vast Sea City.

To make matters worse, the life imprint of the Fifth Elder in the ancestral hall disappeared.

This meant that this Marquis-level Expert had fallen.

The Gu family only had five Marquis Rank in total, and now only four remained.

The Fifth Elder had previously been waiting outside the Goblin Secret Realm, trying to find the mysterious person who refined the treant Secret Realm.

"Could it be that the Fifth Elder was eliminated by the mysterious person?"

Gu Qiyuan's heart was full of doubts.

"Didn't they say they were just Fourth-Rank Evolvers?"

He took a deep breath, forcing himself to calm down.

As the patriarch, he could not panic, especially at such a critical moment for the Gu family... Goblin Secret Realm.

With the help of the Federal Army, a large number of adventurers successfully broke through the checkpoints.

After entering the Secret Realm, they learned the whereabouts of the goblin mecha blueprints through their respective methods.

Most people headed in the direction of Tiangong City.

But there were also some who felt that the competition was too fierce and the hope of obtaining the mecha blueprints was slim.

They turned to other goblin cities to scavenge for easily obtainable spoils.

Xia Fei also entered the Goblin Secret Realm.

He did not go to Tiangong City but divided his Ghost into two groups.

One group went to nearby goblin cities to hunt goblins and collect Soul.

The other group ambushed on the only path leading out of the Secret Realm, preparing to rob those returning from the Secret Realm.

No matter who obtained the blueprints, they would eventually become his possession.

He had thousands of Ghost under his command, enough to form a powerful force.

Dealing with those adventurers was not difficult at all... Giant Mine City.

"Boom boom boom—"

Deafening explosions resounded across the entire battlefield.

The mecha charging at the forefront was instantly engulfed by flames.

The shockwave tore the mecha apart, and debris scattered everywhere.

"Stop advancing!"

Lin Xingyu's pupils contracted, and he hurriedly gave the order.

He looked at the battlefield ahead, his face as dark as water.

In just one encounter, hundreds of goblin mecha were lost.

And Wang Ledian... well, Wang Ledian was fine!

"Fortunately, the treants are slow..."

Lin Xingyu secretly rejoiced.

goblin mecha were consumables; losing some was still within an acceptable range.

But if those treants rushed into the minefield, he would be heartbroken.

"Hahaha! Are you satisfied with this welcome gift?"

Iron Pincer's voice echoed across the battlefield through the psionic amplifier.

"We are not those useless Seventh Legion! Want to enter the city? That's wishful thinking!"

"Before the Empire's reinforcements arrive, hurry up and get out!"

Iron Pincer stood on the anti-aircraft tower, looking down at the battlefield below, continuing his psychological offensive:

"Otherwise, only death awaits you..."

It would be best to scare the enemy away, which would save a lot of goblin bomb.

"Bah! Treacherous green skins!"

Wang Le spit out a mouthful of bloody saliva, struggling to get up from the ground.

He was charred all over, his face pale.

After gulping down a bottle of healing potion, his injuries gradually recovered.

Just now, he was at the very front and was directly blown into the sky.

Fortunately, his defense was strong enough that he only suffered minor injuries.

Seeing the situation on the battlefield, Lin Xingyu made a decisive decision and changed his tactics.

Since there was a minefield ahead, they would directly air-drop into the city!

He recalled his army to his Inner World and simultaneously dialed Wang Chiyao's communication:

"Chi Yao, send over the Explosion Bee!"

...About ten minutes later, a buzzing sound resounded across the sky.

Overwhelming Explosion Bee surged forward,fluttering towards the enemy.

"What the hell is this?!"

Iron Pincer's face changed drastically, and he shouted orders.

"Fire with all your might! Don't let them get close!"

"ultrasound cannon ready..."

The muzzles of the "sky guardian" on the anti-aircraft tower flashed blue light, firing wildly at the swarm of bees.

Although a large number of Explosion Bee were shot down, compared to their terrifying numbers, it was merely a drop in the ocean.

Large batches of Explosion Bee broke through the anti-aircraft firepower net and detonated in the enemy camp.

"Boom boom boom—"

Amidst the violent explosions, a large number of "sky guardian" were destroyed.

Just then, the shield of a white high tower in the center of Giant Mine City slowly opened, revealing a horn-shaped device inside.

"Buzz—"

An invisible wave spread out from the "horn," and the surrounding air violently twisted.

The Explosion Bee in mid-air seemed to have fallen into a quagmire, their movements becoming slow, and they were shot down in large numbers by the anti-aircraft fire.

"This is..."

Lin Xingyu's gaze locked onto the "horn," and an information panel popped up accordingly.

【ultrasound cannon】

【Introduction: An ultrasonic weapon developed by the goblin clan, highly effective against smaller units.】