The mountain trembled.
Roots burst from the earth like serpents.
Ancient pines bent inward as though the forest itself had awakened.
Kaien stood at the center.
His emerald eyes glowed softly.
"...Allow me..."
"...to show you why humans feared the Seven Realms."
The ground exploded.
---
The roots didn't attack wildly.
They moved with purpose.
One swept low toward Hana's legs.
Another lunged for Kaito.
A third shot toward Ren.
"Ren!"
Kaito's voice rang out.
"Move!"
Ren barely rolled aside as the root shattered the stone where he'd been standing.
"...This isn't a forest anymore..."
"It's his battlefield."
---
Hana laughed.
"Now THIS is more like it!"
Flames erupted around her spear.
She spun once.
The fire spread in a perfect circle.
Every root that entered it turned to ash.
"Come on!"
"I thought you were stronger than this!"
Kaien smiled.
"I am merely warming up."
---
A dozen vines burst from behind Hana.
Without looking—
She thrust her spear backward.
BOOM!
The explosion scattered burning fragments across the clearing.
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"...Too slow!"
---
Across the battlefield—
Kaito vanished.
Not with magic.
With speed.
The wind screamed.
Kaien raised an arm.
Steel met vines.
For the first time...
Kaien's sleeve split.
A thin line of blood appeared.
"...Excellent."
He whispered.
---
Ren watched.
He couldn't keep up with their movements.
Only flashes.
Fire.
Wind.
Green.
Again.
Again.
Again.
---
Then—
He noticed something.
Every burn Kaien suffered...
He stopped avoiding fire.
Instead...
His vines thickened.
The next flame didn't spread as far.
"...Wait..."
---
Hana drove her spear into Kaien's shoulder.
Flames exploded.
Kaien tore himself free.
The wound closed almost instantly.
His vines emerged darker.
Denser.
Less affected by the heat.
"...He's adapting..."
Ren whispered.
---
Moments later—
Kaito's blade carved through Kaien's defenses.
This time...
The vines protecting him were thinner.
Faster.
Made to slip around the sword instead of stopping it.
Ren's eyes widened.
"No..."
---
Kaien wasn't becoming stronger.
He was becoming...
Suitable.
Like a tree bending with the wind instead of breaking.
Ren's heartbeat quickened.
He remembered his father's forge.
Molten steel.
Repeated strikes.
Repeated cooling.
His father had once said—
"Metal changes every time you shape it."
"But it can only hold one shape at a time."
Ren froze.
"...One..."
"...Shape..."
---
"HANA!"
She looked over while blocking another strike.
"WHAT?!"
"Stop using your flames!"
She stared.
"...Have you gone insane?!"
"Trust me!"
---
Kaito's eyes shifted toward Ren.
Only for an instant.
Then...
Understanding.
"...I see it."
Hana blinked.
"You TWO are speaking another language!"
"Just do it."
Kaito answered calmly.
---
She clicked her tongue.
"...If this gets me killed..."
"...I'm haunting both of you."
The flames vanished.
Now...
She fought with nothing but her spear.
Fast.
Wild.
Unpredictable.
Kaien adapted.
His vines shifted again.
Lighter.
Sharper.
Built to counter movement instead of heat.
Ren clenched his fists.
"...Now!"
---
The wind roared.
Kaito drew his blade.
One strike.
Invisible.
The entire battlefield split.
Kaien immediately changed again.
His vines hardened to resist the slicing currents.
Exactly as Ren expected.
"HANA!"
She grinned.
"I was waiting!"
Fire erupted.
Not around the battlefield.
Around the spear itself.
A single concentrated blaze.
Kaien's eyes widened for the first time.
"...Ah."
He understood.
Too late.
The flaming spear pierced straight through the wall of newly hardened vines and slammed into his chest.
BOOM!
The explosion swallowed the clearing.
Smoke rolled across the shrine path.
Silence.
---
When it cleared...
Kaien was kneeling.
A charred hole scarred his robe.
The wound slowly regenerated.
Not instantly.
Slower than before.
He looked at the damage.
Then...
He laughed.
A genuine laugh.
"...Marvelous."
He rose to his feet.
His emerald eyes settled on Ren.
"...A blacksmith."
"...Who understands growth."
Ren tightened his grip on the old katana.
"I just..."
"...noticed."
Kaien smiled.
"And that..."
"...is precisely why you are dangerous."
---
Hana rested her spear on her shoulder.
"So..."
"You done?"
Kaien looked toward the mountains.
"My purpose here..."
"...has been fulfilled."
Petals drifted into the air.
The vines surrounding him slowly dissolved into blossoms.
"Until we meet again."
The flowers scattered.
When the last petal touched the ground...
Kaien was gone.
---
Silence returned.
For a long moment...
No one spoke.
Then—
Hana walked over to Ren.
She stared at him.
Ren swallowed.
"...What?"
She punched him in the shoulder.
Not hard.
"...Nice eyes."
Ren rubbed his shoulder.
"...Was that a compliment?"
She smirked.
"Don't get used to it."
Even Kaito allowed himself the faintest smile.
"...You did well."
For the first time...
Ren felt like he had actually earned his place.
---
Far away...
The battlefield remained.
Scarred by fire.
Split by wind.
Entwined with dying vines.
A black feather drifted silently onto the scorched earth.
A boot stepped onto it.
Several cloaked figures emerged from the trees.
None spoke.
One quietly examined the shattered clearing.
Another knelt beside a burned vine.
"...Interesting."
A calm voice echoed from behind them.
"...So this is where it happened."
The cloaked figures stepped aside.
A lone figure wearing a fox mask entered the clearing.
He surveyed the battlefield in silence.
His gaze lingered on the scorched earth.
Then...
On a single, clumsy sword mark carved into the stone.
He crouched beside it.
"...Three fighters."
"...One of them inexperienced."
He brushed his fingers across the mark.
"...Yet..."
"...someone worth remembering."
The fox mask turned toward the distant mountains.
"...Find them."
The cloaked figures disappeared into the forest.
The masked man remained.
Watching.
Listening.
As if the battlefield itself were speaking to him.
---
End of Chapter 12
---