90

Chapter 90 — The Unranked Battlefield

Subin did not enter another dungeon the next day.

Instead, he went to a place where monsters were not waiting for him.

The Association's outdoor combat complex occupied a large section of land on the outskirts of the city. It had been built after the first wave of dungeon discoveries, when ordinary training grounds proved completely inadequate for Awakeners.

There were several arenas, reinforced walls, mana-resistant barriers, artificial forests, rocky terrain, underground sections, and even large-scale battlefield simulations.

But Subin wasn't interested in any of them.

He stood before the largest training field.

It was almost a kilometer wide.

There were no obstacles.

No artificial monsters.

No special environmental conditions.

Just a vast empty battlefield.

Han Yerin stood beside him.

"You requested this?"

"Yes."

"You could have chosen the advanced simulation arena."

"I don't need it."

Yerin looked at him curiously.

"What exactly are you planning to do?"

"Fight."

"Against what?"

Subin looked across the empty field.

"People."

Yerin smiled.

"I should have expected that answer."

The Association had arranged a controlled sparring session.

The participants weren't ordinary trainees.

They were experienced A-rank Awakeners from different combat styles.

Some were swordsmen.

Others used spears, axes, shields, bows, fists, or magic.

Subin wanted to fight them without knowing their techniques beforehand.

He didn't want another structured evaluation.

He wanted uncertainty.

Not the kind that came from hidden enemies or mysterious events.

Just the natural uncertainty of fighting someone whose decisions he hadn't studied yet.

The first opponent entered the field.

A tall man carrying a long spear.

"Name's Choi Dae-won."

Subin nodded.

"Subin."

Dae-won laughed.

"I know."

The signal sounded.

The spear moved immediately.

It wasn't a powerful thrust.

Instead, Dae-won used the first attack to establish distance.

Subin recognized the strategy.

He stepped outside the spear's range.

The weapon followed him.

Dae-won didn't overextend.

His movements were efficient.

Subin attacked.

Dae-won rotated the spear and redirected Simple Edge.

The weapons separated.

Neither side had gained an advantage.

Dae-won smiled.

"You're different from what I expected."

"How?"

"Your sword isn't particularly aggressive."

Subin didn't answer.

He advanced again.

This time, Dae-won changed his rhythm.

The spear came forward twice, retreated, then suddenly accelerated.

Subin blocked the first movement and avoided the second.

The third forced him to change direction.

Dae-won was attempting to control his decisions.

Subin noticed something important.

Unlike Min-seok, Dae-won didn't attempt to predict a specific decision.

He was narrowing the available choices.

Every movement reduced the space in which Subin could respond.

Subin's eyes sharpened.

Decision Space.

He had encountered the concept before.

But understanding something in a dungeon and experiencing it against another human were different.

Dae-won's spear created a moving boundary.

Every attack divided the battlefield into safe and dangerous regions.

Subin changed his approach.

Instead of responding to the spear, he stepped into the area Dae-won considered dangerous.

The spear immediately changed direction.

That was the transition Subin wanted.

Simple Edge moved.

The spear was redirected.

Subin's blade stopped at Dae-won's chest.

The match ended.

Dae-won lowered his weapon.

"That was strange."

"You controlled my options."

"And you deliberately chose the worst option."

"Because you expected me to avoid it."

Dae-won laughed.

"That's irritating."

Subin nodded.

"I understand."

The second opponent entered.

A woman carrying a heavy shield and short sword.

She didn't introduce herself.

The signal sounded.

She advanced.

Unlike Dae-won, she didn't try to restrict Subin's movement.

She simply occupied space.

Her shield remained centered while her sword stayed hidden behind it.

Subin attacked.

The shield absorbed the strike.

The woman counterattacked immediately.

Subin avoided it.

He attacked again.

The same result.

Her defense was extremely stable.

She wasn't creating openings.

She was waiting for Subin to create one himself.

Subin changed his strategy.

Instead of attacking the shield, he attacked the ground beside her.

The blade struck the reinforced surface.

The woman reacted instinctively, shifting her weight.

Subin moved through the resulting transition.

His blade stopped beside her neck.

The woman froze.

"Interesting."

She lowered her shield.

"You weren't attacking me."

"No."

"You were attacking my decision."

Subin nodded.

The woman smiled.

"That's much more dangerous."

The third opponent was a mage.

This battle was different again.

The moment the signal sounded, the battlefield filled with magic.

Fire appeared from the left.

Wind compressed from the right.

A lightning strike descended from above.

Subin moved continuously.

He didn't try to cut every spell.

He moved through the gaps between them.

The mage adjusted.

The gaps disappeared.

Subin changed direction.

The mage adapted.

For nearly a minute, Subin couldn't approach.

Then he stopped.

The mage immediately prepared a larger spell.

Subin waited.

The mage hesitated.

That hesitation was enough.

Subin moved.

The mage cancelled the spell and changed to a defensive barrier.

Subin's sword struck the barrier.

The barrier cracked.

He didn't continue.

The mage understood.

"If you had continued, you could have broken it."

"Yes."

"Why didn't you?"

"Because I had already won."

The mage looked at the blade touching the barrier.

Then he laughed.

"Fair."

Three battles.

Three different forms of decision-making.

Subin had expected technique.

Instead, he was learning how different people created their own decision spaces.

That realization was becoming more valuable than simply defeating them.

By afternoon, seven A-rank Awakeners had fought him.

Some lasted seconds.

Others lasted several minutes.

Subin didn't defeat all of them easily.

One swordsman forced him into a prolonged exchange.

A martial artist managed to strike his shoulder.

An archer forced him to cross nearly the entire battlefield before reaching close range.

Every opponent gave him something different.

And every battle changed his understanding slightly.

By the end of the seventh match, Subin stood in the center of the battlefield, breathing heavily.

His shoulder hurt.

There was a shallow cut along his sleeve.

His clothes were covered with dust.

But his expression was calm.

Yerin approached.

"You've fought seven A-rank Awakeners."

Subin nodded.

"What did you learn?"

"People don't fight the same way monsters do."

Yerin waited.

"Monsters adapt to their environment," Subin continued. "Humans adapt to information."

She understood immediately.

"Because humans can intentionally change their decisions."

"Yes."

Subin looked across the field.

"A monster might repeat a successful behavior because it produces a result. A human can deliberately abandon a successful behavior because they know the opponent has recognized it."

Yerin smiled.

"And that's harder to predict."

"Much harder."

His system window appeared.

Decision Transition: 32% → 36%.

Decision Space: 16% → 19%.

Adaptive Decision Loop: 24% → 27%.

Sword Intent: 93.1% → 93.4%.

Subin dismissed the notifications.

Then he noticed something else.

Personal Sword Path: 99.9%.

Still unchanged.

He stared at it.

Yerin noticed.

"Still ninety-nine point nine?"

"Yes."

"Maybe that's simply the limit."

"No."

The answer was immediate.

"Why are you certain?"

"Because it says 99.9%."

Yerin laughed.

"That's your reason?"

"If it were the limit, the system would probably describe it differently."

She shook her head.

"You really trust that system."

Subin looked at her.

"I don't."

That surprised her.

"I use it because it gives me information. That's different."

Yerin smiled.

"Fair enough."

Subin looked at Simple Edge.

The sword remained quiet.

He wondered whether the final fraction of his Sword Path was connected to the sword's awakening.

Perhaps.

But he couldn't prove it.

He didn't need to.

He had something else to investigate.

"Yerin."

"Hm?"

"Are there any dungeons currently open for individual A-rank exploration?"

She thought for a moment.

"Several."

"Which one has the most diverse environment?"

Yerin looked at him.

"You're planning another dungeon?"

"Not Blackstone."

"Then why?"

"I want to test something."

"What?"

Subin looked toward the empty battlefield.

"Whether my understanding changes when the environment changes."

Yerin considered that.

Then she opened her tablet.

"There is one possibility."

She showed him the information.

Greenfall Dungeon.

Rank: A.

Current Exploration: 67%.

Average Monster Level: 65–90.

Environmental Features: Dense Forest, Underground Caverns, Mana Streams, High Plant Density.

Special Characteristic: Rapid Environmental Changes.

Subin read the information carefully.

"How dangerous?"

"Moderate for A-rank teams."

"Good."

Yerin looked suspicious.

"You said moderate."

"That's why I want it."

She sighed.

"You really do think differently."

Subin ignored the comment.

"What are the rules?"

"Independent exploration is permitted for registered A-rank Awakeners. But because the dungeon is currently under research, you're required to submit your route and findings afterward."

"Fine."

"When do you want to go?"

"Tomorrow."

Yerin shook her head.

"Of course."

That evening, Subin returned home.

He placed Simple Edge on the table.

Then he opened the information about Greenfall Dungeon again.

The dungeon wasn't particularly famous.

It didn't have the enormous mana density of Blackstone.

It didn't contain confirmed Level 120+ monsters.

There was no legendary treasure.

No special inheritance.

Nothing that would attract worldwide attention.

That was exactly why Subin chose it.

He wasn't looking for power.

He wanted understanding.

The next morning, Subin entered Greenfall alone.

The dungeon entrance appeared as a circular stone gate surrounded by thick vegetation.

As soon as he stepped through, the environment changed.

Dense forest surrounded him.

Trees grew several meters high, their trunks covered with green mana veins.

Small streams flowed between the roots.

Bird-like monsters flew overhead.

Several herbivorous creatures moved through the undergrowth.

Nothing attacked him.

Subin didn't attack either.

He simply walked.

The dungeon was peaceful.

But he could feel the mana moving through the environment.

Unlike Blackstone, the circulation here was less organized.

Mana gathered in certain areas and dispersed naturally.

Some plants absorbed too much.

Others received very little.

Monsters moved according to the availability of food and mana.

Subin continued deeper.

A small Level 68 wolf appeared on the path.

It watched him.

Subin watched it.

Neither moved.

After several seconds, the wolf turned away.

Subin continued walking.

A few minutes later, he encountered a group of Level 72 goblins.

They immediately became aggressive.

Subin drew Simple Edge.

The battle lasted only a few seconds.

He didn't overpower them.

He simply observed their formation.

Three attacked from the front.

Two circled around.

One stayed behind.

Subin moved through the formation and defeated them one by one.

The moment the last goblin fell, the remaining monsters in the surrounding forest began moving away.

Subin noticed.

"They learned."

The dungeon wasn't communicating with them.

The monsters had simply responded to the disturbance.

He continued.

Several kilometers deeper, the forest suddenly changed.

The trees became thinner.

The ground became rocky.

The mana streams disappeared.

Then, without warning, the environment changed again.

Dense fog spread across the ground.

Subin stopped.

He looked around.

This wasn't random.

Mana was moving underground.

The environmental change was being caused by a shift in the dungeon's mana flow.

Subin smiled slightly.

"This is what I wanted."

He didn't move immediately.

Instead, he stood still and observed.

The fog continued spreading.

Monsters began leaving the area.

Plants closed their leaves.

Small mana crystals emerged from the ground.

The environment was changing.

And unlike Blackstone, Subin had no map telling him what would happen next.

He would have to understand it himself.

His hand rested on Simple Edge.

The sword remained silent.

But Subin could feel his Sword Intent becoming sharper.

Not because an enemy had appeared.

Not because he had defeated something.

Simply because he was learning to see the battlefield before the battle began.

Sword Intent: 93.4% → 93.6%.

Subin stepped into the fog.

This time, he wasn't looking for an opponent.

He was looking for the next transition.