Inside the classroom of the Ninja Academy.
"Hyūga Satori, aren't you always saying how much you want to study? So why are you giving up again now?"
"You're not getting too tired from studying, are you? Are you just trying to take it easy again?" Kushina muttered, turning her head slightly toward Satori.
Satori was resting his head on the desk, rubbing his temples and letting out a deep breath.
"I'm simply pacing myself. That's different from being lazy."
"Besides, I am working hard right now—it's just that you can't see it."
What he said wasn't entirely wrong.
His Shadow Clone was with Orochimaru, diligently learning and participating in experiments.
Meanwhile, his original body was here at school, recuperating—using meal times and naps to recover from the toll of opening the Eight Gates these past few days.
The Eight Gates truly lived up to its reputation as a powerful forbidden jutsu capable of defeating enemies far beyond one's level.
It burned away one's own life force, temporarily granting tens of times more chakra than even a Kage could wield.
Opening only up to the Fourth Gate already pushed his body to its limit. Activating the next gate would drain his very essence.
That wouldn't do.
He had no intention of harming his body like this.
So saying, he popped two Military Rations Pills into his mouth.
They tasted awful, but efficiently restored nutrients in the body.
With the pills consumed, energy gradually returned to Satori's body.
As the sun sank lower, school soon let out for the day.
Satori left together with Minato Namikaze and Kushina, planning to train for a bit in their usual wooded area afterward.
Hardship training was important, but so was sparring with others.
However, when they arrived at the small woods where they often practiced, they found a boy already waiting there—dressed in a black coat with a fan-like emblem stitched onto his back.
"Uchiha Fugaku?"
Seeing who it was, all three of them were momentarily stunned, surprised by his presence.
Hearing their footsteps, Uchiha Fugaku slowly turned around.
He locked eyes firmly on Satori, arms crossed over his chest, his expression brimming with arrogance.
"Satori Hyūga," he began, "Last time was a fluke—I lost to you by mistake—but now I've unlocked my Two-Tomoe Sharingan and grown significantly stronger. I'm certain I can defeat you this time."
"Are you brave enough to accept my challenge?"
Ever since his last defeat, Fugaku had been troubled and frustrated.
Back at his clan compound, it felt as though people whispered behind his back, laughing at him, which only angered him further.
So after unlocking his Two-Tomoe Sharingan and adjusting to its power for some time, he immediately sought out Satori, eager to settle things once again in battle.
He believed in the strength of the Sharingan; surely it could overcome the Byakugan of the Hyūga Clan.
This was a battle between bloodline limit clans.
Fugaku gazed at Satori, his jet-black eyes glowing with an eerie crimson light.
The tomoe within his pupils spun in perfect rhythm, exuding an eerie, hypnotic aura—as if they held a dark enchantment.
"Two-Tomoe Sharingan, huh? A copying technique," Satori murmured, watching Fugaku with a slight upward curve at the corner of his lips, a sharp glint flashing across his eyes.
"Challenging me... Well, that doesn't sound impossible," Satori replied coolly.
"But if you think you can just randomly challenge me anytime you want, won't that make me look pretty weak?"
"The loser must grant the winner one request."
"Fine, I agree."
Fugaku Uchiha accepted the challenge without hesitation.
He had awakened his Two-Tomoe Sharingan, and his confidence soared accordingly.
As a member of the Uchiha clan, each evolution of his Sharingan brought a proportional increase in power.
With the Two-Tomoe Sharingan, he was already comparable to most Chunin.
Seeing Fugaku accept, Satori Hyūga allowed a faint smile to cross his lips.
His goal was already achieved.
Now all he needed to do was defeat Fugaku Uchiha and then ask him to do something for him.
"Come on, let me see how strong your upgraded Sharingan really is."
Satori Hyūga dashed forward like an arrow leaving the bowstring, fierce and aggressive.
He threw a punch, the sound slicing through the air.
He favored the Ba Dao, or "Overwhelming Might," style of Iron Fist—the feeling of going all out.
Facing such a fierce attack, Fugaku remained calm, retreating rapidly.
His speed was blinding—like a flash of lightning vanishing into thin air.
Satori wasn't alarmed. Instead, he activated his Byakugan and quickly scanned his surroundings.
A ninja could vanish in many ways—Shifting Body Technique, Clone Jutsu, Invisibility Jutsu, or even Spatial Release.
But under his Byakugan, nothing could stay hidden.
Sure enough, in the next moment, he spotted Fugaku standing on a distant tree branch, preparing to launch a jutsu at him.
[Fire Release: Great Fireball Jutsu!]
Forming a single hand seal, Fugaku spat out a massive fireball that roared with flames toward Satori.
Satori stomped hard on the ground and leapt aside, narrowly dodging the attack.
"Fuuga, your attacks haven't changed much. If you want to beat me, show me something new."
Fugaku let out a cold snort and barked,
"Satori Hyūga, let me show you the true power of the Sharingan!"
"When you lose, don't regret not having a stronger Sharingan!"
His eyes transformed in an instant—a pitch-black abyss glowing with a sinister red light.
In the next instant, Fugaku moved.
His body mimicked Satori's exactly—same breathing rhythm, same movement patterns, same striking angles.
Punch after punch rang out...
The two clashed fiercely, each blow reverberating through the air.
Their bodies flashed past one another once more, neither gaining the upper hand.
This result didn't discourage Satori in the slightest.
After all, Fugaku was three years older, and his training in Taijutsu surpassed that of ordinary people by far.
It made sense that they were evenly matched.
The gap created by age and experience couldn't be bridged overnight.
Besides, Fugaku Uchiha was a prodigy of the Uchiha clan—he would eventually awaken the Mangekyo Sharingan later in life.
"Fuuga, your Two-Tomoe Sharingan is indeed powerful—it actually copied my Iron Fist technique," Satori praised.
This gave Satori greater confidence in his own plan.
As for whether he could defeat Fugaku Uchiha, he had immense confidence.
After all, he hadn't even used the Eight Gates yet.
Mastering such a technique required rigorous training—it wasn't something you could copy easily.
Especially opening the gates within the body inflicts severe damage on the body itself.
Recalling this, Satori Hyūga curled his lips into a faint smile.
"My Eight Gates technique isn't something that can be easily copied. You won't be able to beat me using your Sharingan again."
As he spoke, an abrupt change overtook Satori Hyūga's aura, and his power surged rapidly.
[Eight Gates.Opening Gate: Open.]
[Eight Gates.Healing Gate: Open.]
[Eight Gates.Life Gate: Open.]
Satori activated three pressure points on his body in succession, directly unlocking the power of three gates.
Suddenly,
his chakra skyrocketed, and his muscle activity and density increased several-fold.
This transformation immediately caught Fugaku Uchiha's attention.
His Two-Tomoe Sharingan spun rapidly, radiating eerie red light.
"What kind of ninjutsu is this? It actually boosts his strength this much!" Fugaku Uchiha stared at the transformed Satori Hyūga, shock evident on his face.
Through the Sharingan's gaze, Satori seemed to have completely reborn.
However, Fugaku quickly snapped back to reality and gave a wild laugh.
"Satori Hyūga, you're too arrogant!"
"My Sharingan can copy countless jutsu—it's a special dojutsu. Your technique is powerful, so I'm taking it as my own."
With that, his Two-Tomoe Sharingan rotated swiftly, effortlessly starting to copy the Eight Gates technique.
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