Marineford in Sharingan, Uchiha Admiral

Allen did not acquire power through a system plugin that directly instilled it in him.

Even for auxiliary items like the shape-shifting puppet, experience is only transferred after it is broken six times, rather than being acquired simultaneously from the puppet.

From childhood to adulthood, every bit of his strength has come from his own accumulation and learning.

……

If this were any other transmigrator, someone who was almost nineteen and still hadn't awakened the Kaleidoscope would be a laughingstock.

With those check-in systems, someone who'd be piloting a Gundam by age nine...

Discarding his jumbled thoughts, Allen began to sort things out.

……

He had read the scroll of the Uchiha-style swordsmanship and, through his sparring with Kari, he could barely be considered to have mastered it.

This is the swordsmanship that best suits the Uchiha clan, and it is the culmination of Uchiha Sasuke's (the "strongest in the world") skills after he came of age.

The profound meaning can be simplified into a single sentence.

Stare straight at your opponent's death line and deliver a fatal blow!

Before even swinging the knife, the opponent's death was already assured!

……

This is based on the same principle as the spear technique Allen used before, but the level is completely different.

Only after truly awakening his Observation Haki did he vaguely grasp the level of the Uchiha-style swordsmanship.

In the ninja world of later generations, only Sasuke and Boruto used this sword technique, and what they had in common was their unparalleled ocular power.

Boruto, who is not from the Uchiha clan, possesses the Jōgan, which allows him to see through space. This may be why Sasuke was willing to teach him swordsmanship.

According to Allen's speculation, perhaps only when he awakens the Mangekyou Sharingan will he have the necessary conditions to begin practicing his eye power.

Now...

It's barely a bad imitation.

……

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The color of sight and hearing.

Its principle is to enhance the five senses to perceive biological energy and emotional changes, and to anticipate and avoid attacks.

This is the easiest kind of domineering aura to master, stemming from a creature's instinctive anticipation of danger.

There are some special beings who are born with top-tier Observation Haki, such as the Queen of Mermaid Island, who can transmit her consciousness to others; she is like a youthful, emasculated version of Kotoamatsukami.

Some, like Kakakuri, can train to the point of being able to foresee the future briefly.

The manifestation of this ability varies from person to person and there is no uniform standard.

After Allen awakened his Sharingan, he could also be considered a natural user of Observation Haki.

……

Allen linked it to the power of the Sharingan. Although he did not awaken the Mangekyou Sharingan this time, the power of the three tomoe has been strengthened.

To be more specific, he was previously in the mid-stage of the Three-Tomoe realm, but now he is at the Great Perfection of the Three-Tomoe realm.

The lack of physical ability to advance to the Kaleidoscope level is not physical condition, but an external opportunity.

……

At last……

That was the biggest gain from this battle.

Conqueror's Haki!

……

Allen never imagined he possessed Conqueror's Haki; in previous battles when he was on the verge of death, the only response he received was from the Sharingan.

This time, he pinned all his hopes on the Sharingan, attempting to obtain the Mangekyou Sharingan.

But his body responded, unleashing its Conqueror's Haki.

He only understood after the incident.

Conqueror's Haki is not something that only those who become kings and conquerors possess.

……

Believe in yourself wholeheartedly, be certain that you can do it, and that only you can do it!

This is the key to awakening Conqueror's Haki in those with the necessary qualifications.

When faced with King's deadly attack, Allen knew he wouldn't die.

It's not about pinning our hopes on naval support or Hawkeye's intervention.

Instead, I firmly believe...

How could someone like me end here!

Therefore...

Allen responded to the Conqueror's Haki that had been dormant until now.

……

Compared to Observation Haki, Conqueror's Haki has more clearly defined numerical values ​​and advancement standards.

The initial burst of Conqueror's Haki was triggered by intense emotions, capable of causing a mental shock to those around him, but he could not control it precisely.

The initial value of Conqueror's Haki depends on one's physique and experience; the starting point is different for each individual.

In King's opinion, Allen's Conqueror's Haki purity was already comparable to when he first met the young Kaido.

That's why he felt angry and disgusted.

He simply couldn't accept that a man with the same domineering presence as Kaido was acting as a lackey of the Celestial Dragons, fighting to protect those creatures!

……

The second stage of Conqueror's Haki is to freely control the timing and range of its use with one's own will, making it an excellent skill for clearing out enemies.

So far, in battles between strong individuals, Conqueror's Haki has not been of much significance.

The third stage can be described as the advanced use of Conqueror's Haki.

That is, to eliminate the opponent with intimidation!

By boosting morale, one can exert comprehensive psychological pressure on the enemy, and even a battle-hardened general can be brought to the ground with a thud when passing by.

The red-haired man, later hailed as the most domineering man, possessed a Conqueror's Haki that could even influence the captains of the Whitebeard Pirates.

Their powerful clash caused the sky to split open!

……

Users who reach the third stage of Conqueror's Haki will continue to develop the practical application of Conqueror's Haki, which is known as Conqueror's Entanglement.

By imbuing weapons or body attacks with Conqueror's Haki, one can significantly increase their attack power.

This is also one of the hallmarks of top-tier powerhouses, signifying their entry into the ranks of hegemons who possess both mental, physical, and technical prowess.

……

Allen was in the initial stage, of course.

The amount of Conqueror's Haki he unleashed the first time was too great; he couldn't even control it precisely, let alone retract it.

However, unlike others who unconsciously unleash Conqueror's Haki for the first time, his special characteristic lies in...

He remained calm and observed the surge of Conqueror's Haki.

in fact……

In essence, the characteristics of Conqueror's Haki are very similar to those of chakra.

Chakra is a combination of mental and physical power, and Conqueror's Haki is also this kind of energy.

It also consumes the user's mental and physical strength, so some beginner users may fall into a coma after releasing it; this is the body's protective mechanism.

Like chakra, overuse of Conqueror's Haki carries the risk of death.

Actually, it's all the same; everything has its limits, and one should always strive to do their best...

……

Allen recalled several instances in the ninja world where opponents were overwhelmed simply by bursting out chakra.

The most noticeable effect is the unleashing of the tailed beasts, which ordinary genin simply cannot do.

There was also the chakra burst of Hashirama Senju, which made even ninjas of Orochimaru's caliber break out in a cold sweat.

Chakra suppression is also a simultaneous suppression of the mind and body.

Therefore, Allen deduced that it was because of the characteristics of this world that some people with strong innate mental and physical strength awakened Conqueror's Haki, a power similar to chakra.

So, how about we work backwards...?

Those who possess Conqueror's Haki can also learn chakra!

Thinking deeper...

The fusion of mental and physical power may be the evolutionary path of most world powers.

The formation of this power in the ninja world was accelerated by the intervention of the Otsutsuki clan, while this world was still in a primitive stage of power development...

……

……

Forget it, that's too far off, not something I need to consider given my current capabilities.

Allen calmed down and used the time while his body recovered to familiarize himself with the improvement of his various stats, while also developing new techniques.

The only power he hasn't revealed yet is Fire Release. Fire Release is too closely related to Hunting, and revealing it all at once would cause unnecessary trouble.

Once your strength grows to a certain level, you no longer need to keep your Fire Release techniques a secret.

after all……

In this world, who among the strong doesn't possess some fire-based abilities? We can just attribute them to the all-powerful Devil Fruit.

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Three months passed quietly like this until one morning when Tianzheng opened the door.