F-Rank Sold, Married to an S- Rank-Chapter 39: Evolution in Dark

The street erupted into chaos.

Concrete shattered beneath the spawn’s claws as it lunged forward again. Its movements were far faster than the previous creature at the academy.

Adrian barely managed to step aside.

The monster’s claws tore through the pavement where he had been standing a moment earlier, leaving deep gouges across the road.

Elara didn’t hesitate.

Her blade flashed through the air with sharp precision, cutting toward the creature’s exposed side.

The strike landed.

A burst of dark energy exploded from the wound as her sword carved across the spawn’s armored body.

But the creature did not fall.

Instead—

It roared.

The sound echoed through the narrow streets of the lower district like thunder rolling between buildings.

Adrian felt the change immediately.

The spawn’s mana signature surged violently.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Enemy Status Updated

Spawn Evolution: 87%

Threat Rank: A

━━━━━━━━━━━━━━━━━━━━

Elara clicked her tongue.

"It’s still evolving."

Adrian clenched his fist.

"The mana pipe."

He glanced behind the creature.

Blue energy continued pouring from the cracked pipe beneath the street.

The spawn was feeding directly from it.

Every second they delayed made it stronger.

"We have to cut off the supply," Adrian said.

Elara nodded.

"I’ll hold it."

Before Adrian could respond, she moved.

Her body blurred forward with incredible speed.

Steel flashed in the night.

The spawn’s claws clashed against her blade again.

Sparks exploded as the two forces collided.

The monster pushed harder.

Its massive frame towered over her, muscles twisting beneath the black armor covering its body.

Yet Elara held her ground.

Her sword technique was flawless.

Each movement was precise.

Controlled.

Efficient.

But the creature was growing stronger with every passing moment.

Adrian turned toward the broken mana pipe.

The metal casing had been ripped open completely.

Raw energy surged through the exposed channel like a glowing river.

He crouched beside it and reached out carefully.

The moment his hand touched the pipe—

The Bond Network reacted.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

External Mana Source Detected

Absorption Possible

━━━━━━━━━━━━━━━━━━━━

Adrian froze.

Absorption?

He had never tried something like that before.

The system pulsed again.

━━━━━━━━━━━━━━━━━━━━

Warning

External Energy Intake May Destabilize Network

━━━━━━━━━━━━━━━━━━━━

Behind him, Elara grunted as the spawn slammed her into a nearby wall.

Dust exploded from the brick surface as she rolled away just in time to avoid the monster’s follow-up strike.

"We don’t have time!" she shouted.

Adrian made a decision.

He placed both hands against the cracked pipe.

"Bond Network..."

His voice dropped slightly.

"Redirect."

The moment the command left his lips, the system activated.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Energy Redirection Initiated

━━━━━━━━━━━━━━━━━━━━

The glowing blue mana flowing through the pipe suddenly changed direction.

Instead of feeding the spawn—

It surged toward Adrian.

Energy flooded into the network.

The sensation was overwhelming.

For a brief moment, Adrian felt like the entire city’s mana current had passed through his body.

The bond anchors reacted instantly.

Even though they were far away—

Seraphine, Lyra, Kaelith, and Aria all felt the surge.

The network pulsed violently.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Temporary Power Surge

Network Efficiency: 39% → 64%

━━━━━━━━━━━━━━━━━━━━

Adrian opened his eyes.

Blue energy swirled around him.

The spawn noticed immediately.

Its glowing white eyes locked onto him.

And for the first time—

The creature hesitated.

Elara saw the opening.

Her blade flashed again.

This strike cut deep into the monster’s shoulder.

Dark energy burst outward as the creature staggered.

"Now!" she shouted.

Adrian stepped forward.

The stabilization field expanded outward.

The chaotic mana surrounding the spawn slowed.

The creature roared again.

But this time—

Its movements were weaker.

Elara attacked again.

Her sword struck the monster’s chest with tremendous force.

The spawn stumbled backward.

But it was far from finished.

Its claws slammed into the ground again.

A wave of corrupted energy exploded outward, shattering nearby windows and ripping chunks of asphalt from the street.

Adrian raised his arm.

The Bond Network shield activated.

Blue energy formed a thin barrier between them and the blast.

The shockwave struck the shield and scattered into harmless sparks.

Elara stared at him briefly.

"That ability..."

Adrian shrugged slightly.

"New."

The spawn roared again and charged.

Its massive body crashed toward them with unstoppable momentum.

This time Adrian moved first.

He stepped forward.

The network threads responded instantly.

Energy flowed from the distant anchors through the bond system.

Seraphine’s stabilizing light.

Lyra’s chaotic disruption.

Kaelith’s combat precision.

Aria’s amplification.

Even across the city, their power strengthened the network.

Adrian raised his hand.

Blue energy spiraled around his arm.

The spawn’s claws came down.

Adrian’s strike met them halfway.

The impact exploded through the street like a thunderclap.

For a moment—

Neither side moved.

Then the monster was thrown backward.

Its body smashed into a row of abandoned cars, crushing metal like paper.

Elara stared.

"That..."

"...wasn’t F-rank strength."

Adrian ignored the comment.

His attention was focused on the creature.

The spawn was already rising again.

But something had changed.

The black armor covering its body was cracked.

Large pieces had broken away from its chest.

And beneath them—

A glowing core pulsed faintly.

Adrian pointed.

"There."

Elara nodded immediately.

"Then we finish it."

The monster roared again and charged forward.

This time they moved together.

Elara’s sword flashed from the left.

Adrian’s energy strike came from the right.

The spawn tried to block both attacks.

But it was too slow.

Elara’s blade cut across its arm.

Adrian’s energy blast struck the exposed core directly.

For one brief second—

Everything froze.

Then the monster exploded.

Dark energy burst outward as the creature’s body shattered into fragments of black crystal.

The pieces dissolved quickly into dust.

Silence returned to the street.

Adrian exhaled slowly.

The system appeared again.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Spawn Eliminated

Network Stability: Restoring

━━━━━━━━━━━━━━━━━━━━

Elara lowered her blade.

"That’s one."

Adrian looked toward the distant skyline.

Three more spawn signals still moved through the city.

And beneath the ground...

The real monster continued to stir.

The Bond Network pulsed again.

A new notification appeared.

━━━━━━━━━━━━━━━━━━━━

Warning

Primary Breach Entity Activity Increasing

━━━━━━━━━━━━━━━━━━━━

Adrian’s expression hardened.

Because the creature beneath the city had just learned something very important.

The hunter interfering with its plan.

And the power connecting him to five dangerous women.

Tonight’s battles had only been the beginning.

The dust slowly settled over the destroyed street.

For a moment, neither Adrian nor Elara moved.

Fragments of the spawn had already dissolved into black particles drifting through the air like ash. The broken mana pipe beneath the road still leaked faint blue light, though the violent surge of energy had finally calmed.

Adrian released a slow breath.

The Bond Network pulsed again.

This time the signal felt weaker.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

External Mana Source Closed

Network Efficiency: 64% → 41%

━━━━━━━━━━━━━━━━━━━━

The surge of power faded from Adrian’s body.

His muscles felt suddenly heavy.

Elara noticed the change immediately.

"You absorbed too much."

Adrian rolled his shoulders slightly.

"I redirected it."

"That’s different."

She looked at the cracked pipe behind him.

"Still dangerous."

He nodded.

She wasn’t wrong.

The system had warned him.

The bond network wasn’t designed to handle raw external energy like that for long.

If he pushed it too far, the network itself could collapse.

And if that happened...

The stabilization field protecting the city would vanish.

Adrian glanced toward the underground crack in the street.

"We should seal this."

Elara stepped closer to the broken pipe.

Her sword moved in a quick, controlled motion.

Steel flashed.

The exposed section of the pipe collapsed inward, cutting off the remaining energy flow.

The glowing blue light dimmed instantly.

"Temporary solution," she said.

"But enough."

Adrian checked the system again.

Three spawn signals still moved across the city.

But something else had changed.

The underground mana currents were shifting.

Slowly.

Deliberately.

Like a massive creature turning beneath the earth.

Adrian’s expression hardened.

"It’s moving again."

Elara’s gaze sharpened.

"The main entity?"

"Yes."

The system confirmed it.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Subterranean Activity Detected

Primary Breach Entity

Movement Speed Increasing

━━━━━━━━━━━━━━━━━━━━

Elara frowned slightly.

"That’s too fast."

Adrian understood why.

The spawn they had just killed had been feeding directly from the city’s mana pipes.

Which meant the main creature had already started gathering energy.

But the real problem was something else.

It was learning.

Every spawn battle revealed something about the hunters resisting it.

Their strengths.

Their methods.

Their weaknesses.

And now—

The creature knew Adrian existed.

Lyra’s voice suddenly echoed faintly through the bond network.

"Adrian."

The connection was distorted, but clear enough.

"You still alive?"

He allowed himself a small smile.

"Barely."

Lyra laughed.

"Good."

"Because our spawn isn’t playing nice."

Kaelith’s voice followed.

"We destroyed the western target."

"But it evolved first."

Adrian nodded slightly.

"That confirms it."

"The creature is accelerating the spawn evolution."

Aria spoke next, her voice slightly nervous.

"We’re still fighting ours."

Seraphine’s calm tone followed immediately.

"The eastern spawn is weakening."

"We will finish it soon."

Adrian felt relief at the update.

Two spawn down.

Two remaining.

But the deeper signal still worried him.

The creature underground wasn’t just waiting.

It was preparing.

Elara looked toward him.

"Something else is wrong."

He didn’t hide it.

"Yes."

"The main entity is gathering energy faster."

She understood immediately.

"If it reaches full awakening..."

"The barrier breaks."

Silence filled the street for a moment.

Even the distant city noises felt muted.

Adrian looked toward the skyline again.

The Council district towers still glowed against the night sky.

Inside those buildings were the systems maintaining the barrier sealing the underground breach.

If the creature targeted those structures directly—

The city would lose its final defense.

Elara sheathed her sword slowly.

"Then we cannot allow it to reach that point."

Adrian nodded.

"But the spawn are only distractions."

She looked at him carefully.

"You think the creature planned this."

"Yes."

The realization settled between them.

Four spawn.

Four directions.

Four teams forced to separate.

The monster underground had divided their forces.

And now the main entity was moving.

Toward something important.

Adrian checked the system again.

The bond network scanned the underground currents.

Then suddenly—

A new signal appeared.

━━━━━━━━━━━━━━━━━━━━

Bond Network System

Primary Breach Entity

Estimated Position:

Council District

━━━━━━━━━━━━━━━━━━━━

Adrian’s eyes widened slightly.

"It’s heading for the Council tower."

Elara cursed quietly.

"Of course it is."

The creature wasn’t just intelligent.

It was strategic.

Destroy the spawn.

Force the hunters to spread out.

Then strike the city’s most critical structure.

Adrian turned toward the distant towers.

"We have to regroup."

Lyra’s voice echoed through the network again.

"Yeah."

"I think that’s a good idea."

Seraphine spoke calmly.

"The eastern spawn has been destroyed."

Kaelith added,

"We’re moving toward the central district."

Aria sounded relieved.

"Finally."

Adrian looked at Elara.

"Then the real battle begins."

She nodded once.

Because somewhere beneath the shining towers of the Council district—

The true monster had begun its ascent.

And this time...

It wasn’t sending spawn.

It was coming itself.

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Author Note

The lower district spawn is defeated, but the crisis is far from over. In the next Chapter, the remaining teams confront the other spawn while the creature beneath the city begins preparing its next move.