Outside the training field,
as they watched Kai and Zephyr's violent clash, both Kong and Sengoku showed expressions of awe.
"Kai really is terrifyingly strong."
Kong let out a quiet sigh of admiration.
"To force Zephyr to go serious right from the start…"
"Even among Vice Admiral-level fighters, Kai would absolutely stand among the best of them."
"And what's frightening is…"
"he's only five!"
Sengoku took a deep breath, deeply moved.
Even he had not expected
that Zephyr, a Marine Admiral, would be unable to suppress Kai so quickly.
Nearby,
Garp threw his head back and laughed.
"As expected of my grandson!"
"That's exactly how it should be!"
"Come on, Kai! Beat the hell out of that old bastard Zephyr!"
Tsuru's eyes were solemn as she watched the fight.
From Kai…
even she could feel a faint sense of pressure.
He was strong.
Extremely strong.
At only five years old,
Kai was already terrifying beyond reason.
She had heard of him capturing Whitebeard Jr. before—
but without seeing it for herself, she could not fully picture how intense that fight must have been.
Now,
watching Kai battle Zephyr,
she finally understood the truth.
Kai was terrifying.
"It's hard to imagine…"
"that this monster is only five."
"And yet he can already fight Zephyr to a standstill."
Tsuru could not help sighing.
Not far away,
watching Kai and Zephyr clash violently without Kai showing the slightest inferiority, Kizaru clicked his tongue in amazement.
"Well, well…"
"Am I seeing things?"
"That brat Kai…"
"is actually this strong?"
"These youngsters nowadays…"
"are they all monsters?"
At his side,
Akainu and Aokiji said nothing.
But their expressions grew more and more serious.
As two Marine Vice Admirals who already possessed power approaching Admiral level,
they themselves could feel a trace of pressure from Kai.
If they had not seen it with their own eyes…
they would never have imagined
that one day, they would feel pressure from a five-year-old child.
Even if it was only the slightest pressure,
it was still enough to move them deeply.
"So this is Vice Admiral Garp's grandson…"
Akainu thought to himself.
"What a monster."
"Fist Demon Kai…"
Aokiji's gaze flickered.
On the battlefield,
Kai and Zephyr's clash only grew more violent.
The collision of their Armament Haki-coated fists rang out with the sound of steel slamming into steel.
It was thunderous.
Deafening.
Those crashing noises echoed across several thousand meters.
Kai and Zephyr's figures flickered in and out around the battlefield, appearing here one moment and over a hundred meters away the next.
When Kai threw a punch—
Boom—!!!
The ground was punched through instantly, blasted open into a crater nearly ten meters deep.
Crack! Crack!
A web of cracks spread outward in every direction.
Within a hundred meters, the ground split apart and collapsed.
Rumble!
It was as if a quake had struck.
The earth shattered and fell inward.
"Kai, if this is all you've got…"
"then I'm disappointed!"
Zephyr laughed loudly.
"You think so, Instructor Zephyr?"
"Then let me see it."
"Show me the real power…"
"of a Marine Admiral."
Kai laughed as well.
In the next instant—
Zephyr came charging in.
"Not bad!"
Faced with Zephyr's incoming fist, Kai showed not the slightest fear.
Instead, he grinned,
clenched his right fist,
and threw it forward.
That punch shattered the air with a sonic boom.
The surging gale it created rushed directly toward Zephyr.
At the same time,
Zephyr also threw his own right fist.
Wrapped in black Armament Haki,
his fist carried terrifying force.
The two punches collided head-on.
Boom—!!!
A tremendous explosion rang out.
It was like the heavens themselves had been ripped apart.
A violent blast spread outward in all directions.
A ten-meter-tall stone statue not far away was caught in the aftershock and instantly blown to powder.
It exploded apart into countless shards,
which flew wildly in every direction.
Dust rose in great rolling clouds.
Kai was pushed back several steps by the force of Zephyr's blow.
His eyes narrowed—
and then, a faint red glint appeared within them.
At the same time,
his expression grew even more excited.
His battle spirit blazed like fire.
The violence buried in his blood was being stirred awake completely.
A savage, bloodthirsty aura began to rise from Kai's body,
making the pressure he gave off grow even heavier.
He looked like a demon walking out from a mountain of corpses and a sea of blood.
"Again!"
Kai laughed and struck forward once more.
His feet slammed down.
"Shave!"
His body vanished instantly.
The ground beneath his feet exploded into a crater nearly half a meter deep, spiderweb cracks spreading from it.
Kai shot forward like an arrow released from the bowstring.
The two met again at close range.
No more words were needed.
Both men raised their fists,
their Armament-coated hands colliding once more in a brutal frontal clash.
Boom—!!!
Another deafening impact exploded outward.
The sound alone was enough to rupture eardrums.
The pressure from their power collision made the surrounding air tremble wildly.
There were even crackling arcs of force—
like dark flashes of electricity.
The air was compressed so violently
that space itself seemed to distort and ripple.
Buzz! Buzz!
It looked almost as if the air itself could not withstand the pressure and was on the verge of shattering.
At the same time,
a terrifying shockwave burst outward from the point of impact.
The entire earth trembled.
The battlefield became more and more devastated.
Kai and Zephyr's figures moved faster and faster.
The intensity of the fight kept rising.
So fast, in fact,
that most people watching could no longer follow them at all.
Only those with Observation Haki
could still perceive their exchanges.
And even then…
their Observation Haki needed to be trained to a very high level.
If one had only barely awakened it,
then they were not even qualified to read the battle at all.
They were simply too strong.
At some point,
the fight rose from the earth into the sky.
With Moonwalk,
the two began an aerial battle.
Explosive booms rang continuously through the heavens.
The cadets all looked up in shock.
Though they could only catch vague afterimages,
they could still feel how terrifying the battle had become.
The shockwaves blasting downward from the sky forced them to retreat over a thousand meters, afraid of being caught in the aftermath.
"So strong!"
"That Zephyr is this strong isn't surprising."
"But…"
"Kai is somehow this strong too?!"
"That's unbelievable!"
The cadets were thoroughly shaken.
The force of the aftershocks made them raise their arms to shield their eyes, peering through the gaps between their fingers at the incredible battle raging overhead.
Kai's strength had completely overturned everything they had thought possible.
"Instructor Zephyr isn't just serious…"
"he's going all out!"
"My God!"
"These two…"
"are both top monsters of the sea!"
"Compared to them, we're trash!"
"When Zephyr fought us, he didn't even need to attack—just dodging was enough to wear us down."
"But against Kai…"
"even someone as strong as Instructor Zephyr has to fight with everything he has!"
"That alone shows…"
"just how monstrously strong Kai really is!"
Including Smoker and Tina,
every cadet present was overwhelmed with shock.
"At first, I thought Zephyr wouldn't even need to go all out against Kai."
"But we still underestimated just how strong Kai is."
"This is…"
"a clash between the strongest genius in Marine history…"
"and a Marine Admiral!"
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