Morning thunder rolled across the mountains surrounding Kumogakure.
The academy training valley looked different.
Not organized.
Not predictable.
Students stood in mixed formations.
Different classes.
Different ranks.
Different skill levels.
Confusion spread quickly.
Daigo scanned the field.
"This looks suspicious."
Akari adjusted the strap of her bow.
"They only do this when they want to break habits."
Raizen said nothing.
But he noticed something important.
There were more instructors than usual.
Watching.
Evaluating.
Measuring.
Instructor Takeshi Aran stepped forward.
"Today's exercise ignores class structure."
Students exchanged glances.
"You will face unfamiliar opponents."
He gestured toward the scattered sparring rings.
"Your objective is simple."
"Adapt."
The word settled over the field.
Matches began immediately.
Combat erupted across the valley.
Different styles collided.
Different rhythms clashed.
Raizen stepped into a ring.
Across from him stood a student he recognized—
But had never fought.
Lean.
Relaxed posture.
Calm eyes.
Not aggressive.
Not hesitant.
Controlled.
Instructor Aran's voice cut through the air.
"Begin."
The opponent didn't rush.
He stepped to the side.
Light.
Measured.
Raizen narrowed his focus.
Inside his mind, Astra activated.
"Posture indicates precision-strike system."
Raizen adjusted slightly.
Pressure-point combat.
Interesting.
The opponent moved.
Fast.
A sharp jab toward Raizen's shoulder.
Raizen blocked—
And immediately felt it.
A sudden spike of pain.
His arm weakened.
Muscles disrupted.
He stepped back.
Reset.
The student smiled faintly.
"First time?"
Raizen flexed his arm once.
"Yes."
The boy dipped his head slightly.
"Good."
Inside Raizen's mind, Astra processed rapidly.
"Localized nerve targeting detected."
"Joint disruption pattern confirmed."
Raizen's stance shifted.
So contact itself is the threat.
The opponent moved again.
Faster this time.
Strikes targeted with precision.
Neck.
Shoulder.
Ribs.
Not random.
Deliberate.
Raizen avoided direct contact.
His footwork widened.
Distance increased.
Inside his mind, Astra spoke again.
"Recommendation: extend engagement range."
Raizen drew a kunai.
Everything changed.
The pressure-point fighter slowed.
Just slightly.
The blade forced space.
Forced hesitation.
Raizen stepped forward.
Controlled.
Measured.
The opponent committed to one final strike.
Raizen redirected the arm.
Turned the angle.
And placed the kunai against the student's shoulder.
Stillness.
Instructor Aran raised his hand.
"Match."
The tension broke.
The opponent stepped back.
A small smile.
"Good adjustment."
Raizen lowered the kunai.
"Interesting style."
The boy nodded.
"Toma Hikari."
"Your reaction speed saved you," Toma added.
Raizen met his gaze.
"Your precision is dangerous."
A brief pause.
Mutual understanding.
From the edge of the field, instructors spoke quietly.
"He didn't panic."
"He changed the fight."
Aran nodded.
"He learns mid-combat."
Across the valley, battles continued.
Sword users.
Grapplers.
Speed specialists.
Weapon experts.
Chaos.
Variation.
Reality.
Because real fights—
Were never fair.
As the session ended, Aran addressed the students.
"You will not choose your enemies."
He gestured across the field.
"So you must be prepared for all of them."
The message was clear.
Adapt—
Or lose.
That evening, Raizen stood on the balcony again.
The academy rested below him.
Quiet.
Still.
Inside his mind, Astra spoke.
"Combat database expanding."
Raizen looked toward the training valley.
Every opponent mattered.
Every style mattered.
Because strength alone—
Was never enough.
Understanding your opponent—
That was the real advantage.
And Raizen intended to understand them all.