High-level martial arts: Contract cashback, invincible starting from the Zerg.

During the morning rush hour, Gu Yong Shangcheng resembles a flowing steel beehive, with more than a dozen hovercars shuttling along transparent tracks. Golden sunlight shines on the rows of glass curtain walls, refracting a warm and dazzling light.

The train was packed with office workers rushing to work. Some were engrossed in their smartphones, while others were catching up on sleep with their eyes closed. The air was filled with the aroma of coffee and bread.

It presents a picture of peaceful and idyllic life.

Just then, the television inside the train suddenly stopped broadcasting the morning news and switched to a red emergency broadcast.

[TV News: Good morning, citizens. We have an urgent news briefing. At 3:17 AM today, a bizarre death occurred in Anping Lane, Old Town, Shangcheng District. Police found a 34-year-old male victim at the scene. The victim had no external injuries. A preliminary autopsy indicates the cause of death was cardiac arrest caused by extreme fear.]

The host's voice carried an undisguised seriousness, and images of the scene, blurred out, flashed across the screen.

[TV News Report: Police discovered an unidentified black mark on a wall at the scene. The material is unknown, and composition analysis is currently underway. The Upper Town Security Department reminds residents to avoid going out alone at night recently. If you spot any suspicious persons or unusual circumstances, please call the police immediately.]

A murmur rippled through the train; people seemed puzzled by the situation.

"We're almost centenarians now, who would be scared to death?"

"Could it be that another serial killer has appeared in Gu Yong's city?"

"Your mark, it's all dark and looks creepy..."

At that moment, no one noticed that Chen Feng, standing by the car window, was looking solemnly at the black mark on the television screen.

It was a symbol composed of countless tiny, twisted lines, with a closed eye at its center, surrounded by nine barbs, each dripping black blood from its tip.

Chen Feng will never forget this symbol.

When Chen Feng was still the commander of Blue Star, he personally crushed the heart of Count Karen, the Demon Lord, during a great battle against demons.

However, at that moment, the sky suddenly darkened without warning, and a chilling consciousness pierced through Chen Feng's mental barrier.

In that boundless darkness, he saw countless blinking eyes and heard the rustling of countless insects crawling. And this symbol was imprinted in the very center of that darkness.

"Human, you killed my brother... I will find you."

That was Teguer—the prospective prince of the Phantom Demon race, and the most talented and terrifying Phantom Demon in the history of the Demon Abyss.

Chen Feng's fingertips were icy cold. Those memories, sealed deep in his mind, now writhed like venomous snakes.

As the former commander of Blue Star, he was one of the few people with the authority to access all of Teguer's files. He knew better than anyone the despair that name represented.

Teguer's terror never lay in his military strength.

There were more than a dozen demon princes in the abyss who were stronger than him, but none of them could instill fear in the human alliance for five hundred years like him.

Other illusions can only manipulate people's superficial consciousness, and creating illusions that are enough to pass for reality is already the limit.

However, Teguer was able to materialize fear and purgatory itself.

His most famous battle—the crushing defeat at the Reno Line—is even recorded in Blue Star's top-secret archives.

At that time, the Dragon Kingdom Allied Forces assembled 300,000 elite troops in the Western Continent, personally guarded by five Hong-rank powerhouses. They built a 300-kilometer-long steel defense line, equipped with the most advanced "Purgatory Bird" firepower system and railgun clusters at the time.

All the people of the Dragon Kingdom, including the emperor, believed that this was an impregnable defensive line and had even begun planning a counterattack against the Abyss.

However, one night after the war began, Teguer infiltrated the defense command center.

He didn't kill anyone. He simply went into the command center and found the three officers who had the authority to fire.

Over the next hour.

Humanity's railguns unleashed a barrage of fire on friendly positions, while all drones and unmanned aerial vehicles also began slaughtering human targets.

In just one hour, 2 lives loyal to the Dragon Kingdom were lost.

But Teguer left without losing a single hair, and did so quietly.

From then on, Tegu'e became the nightmare of the Dragon Kingdom's allied forces.

He wandered like a ghost between the major cities of mankind.

He never engages in large-scale massacres, yet he always manages to precisely assassinate humanity's top generals and scientists, or deliver a devastating blow to humanity's defenses at the most crucial moment!

And now, he has left a mark in the most conspicuous place that only Chen Feng can understand.

He deliberately revealed his presence!

"But why? Why would he do that?" Chen Feng asked thoughtfully.

Unconsciously, his fingertips caressed the edge of the AI, the coldness of the metal unable to suppress the chill surging in his heart.

Just then, the train suddenly jolted violently.

It wasn't the normal vibration of the track joint, but an extremely abrupt shaking, as if it had been violently struck by something.

The screams in the carriage instantly rose eight octaves.

Someone lost their balance and fell to the ground, spilling their coffee on another person, immediately eliciting a chorus of complaints.

"What's going on?!"

"Has the train gone out of control?!"

"Are you kidding me?! My clothes are ruined like this?!"

In the chaos, Chen Feng immediately became more vigilant and fully unleashed his senses.

His achievement was realized by that middle-aged man who kept his head down and was holding a briefcase.

He looked like an ordinary office worker, with a receding hairline, wearing black-rimmed glasses, a coffee stain on his shirt collar, and a cell phone pressed tightly against his ear.

However, at this moment, all the expressions on his face disappeared, as if his soul had been completely wiped clean with an eraser.

His pupils slowly lost their original brown color, and the whites of his eyes also became a little darker.

He stood up stiffly, like a marionette.

And step by step, he walked towards Chen Feng.

"Found you." Chen Feng's voice was low and hoarse, carrying a chilling coldness.

The man didn't speak, but instead grinned, revealing an extremely eerie smile.

The smile was so stiff it looked like it had been carved into his face, and the corners of his mouth easily split to his ears, revealing his gleaming white teeth.

The next moment, the man charged forward, his immense momentum instantly shoving everyone in his path aside!

Chen Feng frowned and immediately charged in the opposite direction of the man!

The two were only five meters apart, and they covered the distance in the blink of an eye.

The middle-aged man let out a roar that sounded inhuman. His right hand suddenly spread open, and his nails grew three inches long, turning as black as ink and as sharp as knives.

The next moment, it slashed straight at Chen Feng's face!

The speed and power of this strike had reached the level of a Xuan-rank martial artist, which was completely unlike what an ordinary office worker who had never undergone genetic modification could possess.

Chen Feng immediately blocked with his left arm.

"Sizzle!"

The black fingernails tore through Chen Feng's combat uniform, but couldn't leave any marks on him. Chen Feng snorted coldly and threw a punch.

"Bang!"

The dull, loud thud was like a heavy hammer striking a drum.

The middle-aged man was like a sandbag that had been thrown out; he flew backward several steps and staggered to the ground.

Everyone stared in disbelief at the scene. The office worker who had just been complaining about spilled coffee now dropped his cup on the ground with a clatter, completely unaware that the scalding coffee had splashed onto his legs.

However, something even more terrifying happened.

The middle-aged man, who had clearly suffered a fatal wound, actually stood up again.

His sunken chest was visibly twitching and healing, the broken ribs making a "crackling" sound as they were pieced back together.

The man raised his head, his face still bearing that eerie smile that stretched to his ears.

"It's no use, Chen Feng."

"This body is merely a vessel for me. Even if you grind it into mincemeat, I will not suffer any damage."

Before he could finish speaking, the man suddenly trembled and fell straight to the ground.

"What...what is he?" someone asked, trembling.

"A demon... He's a demon!"

"Help! Quickly notify the train conductor!!"

The carriage descended into even greater chaos.

Passengers screamed and ran towards both ends of the carriage, shoving each other. Some were tripped and trampled by those behind them, and cries and screams filled the air.

Just then, the girl standing next to the man suddenly stiffened, clearly having been possessed by Teguer again.

Her originally innocent appearance became increasingly ferocious under the influence of the demonic aura, and soon her consciousness was completely overwhelmed.

"Chen Feng, do you think you can escape?"

The girl smiled.

"I can be anyone."

next second.

A young mother holding her child suddenly became vacant. She slowly looked down at the child she had put down, and then extended her fingers, which had once again turned jet black...

"Enough!!" Chen Feng roared.