The air felt different.
Not just heavier.
Wrong.
Riser stood still for a moment, eyes fixed on the darkness where the corridor had once been.
"...So we're not leaving the easy way."
Lyra didn't respond immediately.
Her gaze was scanning—edges, floor, ceiling, everything.
"...No. This isn't a collapse."
Riser glanced at her.
"...Then what is it?"
A brief pause.
"...It's adapting."
That word lingered.
Riser exhaled softly.
"...Great."
The shard in his hand pulsed once.
Not bright.
But noticeable.
His grip tightened slightly.
"...And this thing is the reason."
Lyra nodded.
"...Most likely."
Silence settled again.
But not the calm kind.
The darkness ahead wasn't empty.
It felt—
Occupied.
The system flickered.
[System Notice]Pathway Reconstruction ActiveNew Route GeneratedCaution: Unknown Variables Detected
Riser tilted his head slightly.
"...It's making a new path for us."
Lyra's voice dropped.
"...Or forcing us into one."
"...Same difference."
He took a step forward.
The ground responded.
Not cracking.
Not shifting violently.
But—
Reforming.
Dark stone spread outward beneath his foot, forming a narrow path into the void.
Lyra watched carefully.
"...It's reacting to movement."
Riser smirked faintly.
"...Then standing still won't help."
He stepped again.
The path extended further.
Behind them—
The original room was already fading.
"...We don't have a choice."
Lyra moved beside him.
"...We move together."
Riser didn't argue.
They advanced.
Each step created more ground.
Each second—
The darkness ahead seemed to deepen.
"...You feel that?" Riser asked.
Lyra nodded slightly.
"...Yeah."
This time—
It wasn't subtle.
The presence from before—
Was closer.
The shard pulsed again.
Stronger.
Riser winced slightly.
"...Tch."
Lyra noticed immediately.
"...What is it?"
"...It's reacting again."
"...To what?"
Riser's gaze lifted.
"...To something ahead."
Silence.
Then—
A sound.
Soft.
Like something shifting across stone.
Lyra's posture tightened.
"...Contact."
Riser didn't slow.
"...Finally."
The path extended one more step—
Then stopped.
Ahead—
Something stood in the darkness.
Not large.
Not towering like the guardian.
But—
Sharper.
More defined.
Its outline flickered.
Like it wasn't fully stable.
Two faint lights—
Where its eyes should be.
The system reacted instantly.
[System Warning]Entity Detected: ???Classification: UnregisteredThreat Level: UnknownCaution: Data Incomplete
Riser narrowed his eyes.
"...Unregistered?"
Lyra's voice was low.
"...That's worse than high threat."
The entity moved.
Not forward.
But—
Sideways.
Like it wasn't bound to the path.
Riser's expression shifted slightly.
"...It's not following the rules."
Lyra didn't take her eyes off it.
"...Then don't expect it to fight like the others."
The shard pulsed again.
This time—
Violently.
Riser flinched.
"...Damn—"
The entity stopped.
Its gaze—
Locked onto him.
A pause.
Then—
It vanished.
Riser's instincts reacted instantly.
He twisted—
Blade already moving—
CLANG—
Impact.
The entity reappeared—
Right beside him.
Too fast.
Lyra moved immediately.
Her strike followed—
Precise—
Controlled—
But it passed through.
"...What—?"
The entity flickered again.
Solid—
Then not.
Riser stepped back.
"...Intangible?"
Lyra shook her head slightly.
"...Not exactly."
The entity moved again.
This time—
Directly in front.
Its hand lifted.
Riser felt it.
Before it even struck.
He dodged.
Barely.
A sharp force tore through the space where he'd been standing.
The ground—
Didn't break.
It disappeared.
A clean void cut through it.
"...Okay."
Riser exhaled sharply.
"That's new."
Lyra's expression hardened.
"...It's phasing between states."
"...Meaning?"
"...We can't hit it unless it chooses to exist."
Riser smirked slightly.
"...That's annoying."
The shard pulsed again.
Stronger.
Then—
The system reacted.
[System Update]Resonance Sensitivity ActivatedHidden Pattern DetectedSuggestion: Observe Phase Timing
Riser blinked once.
"...Timing."
He focused.
The entity flickered again.
For a split second—
It stabilized.
Then shifted.
"...There."
Riser moved.
Fast.
Precise.
His blade struck—
This time—
It connected.
A sharp sound echoed.
The entity recoiled.
Lyra didn't hesitate.
She followed immediately—
Her strike landing at the exact same moment the entity stabilized again.
Impact.
The entity's form distorted.
For the first time—
It reacted.
"...So that's the trick."
Riser muttered.
The entity's gaze sharpened.
Then—
It changed.
Its form elongated slightly.
The flickering became faster.
More erratic.
Lyra's voice dropped.
"...It's adapting."
Riser grinned.
"...Good."
Because now—
This wasn't just survival.
This was a fight worth having.
The shard pulsed once more—
In sync—
With his heartbeat.
And somewhere deep within—
That same presence—
Watched again.
Closer this time.