Marvel: Sign-In System – Starting with the Glint-Glint Fruit

Natasha had already surpassed many people in her use of her senses.

So during sparring matches between Raven and Astartes, this point was often extremely obvious.

Her exceptional agility, combined with the development and use of her senses, allowed her to suppress every other warrior in actual combat, aside from Reacher and Bucky.

This was Natasha's advantage.

It was a kind of unconscious development and use, but it had never formed a complete system.

However, Matthew had unexpectedly created an Armament Haki seed.

After it merged into Natasha's body, as she studied and simulated it, she gradually understood the underlying operating logic. She also came to understand how to use the combination of will and life energy.

Armament Haki was the materialized energy born from the union of will and life energy.

Then what about perception?

That brought up something else: meditation.

The most basic meditation of Kamar-Taj was one of the required courses for sorcerers.

This was the most crucial condition for learning magic

It was mainly used to nurture and improve spiritual power. Kamar-Taj had even specifically created foundational meditation texts for it, Basic Introduction to Magical Power and Sevenfold Cycle Meditation.

They emphasized clearing the mind of distractions, maintaining the purity of the soul, and removing stray thoughts. This was key to improving training efficiency.

In a certain sense, it was very similar to the basic prerequisites for Observation Haki.

Improving attention, focus, sensing nature, and sensing the surroundings.

Meditation was not only useful to sorcerers. It was also quite useful to the soldiers of the two warbands. So after Matthew learned magic at Kamar-Taj, he openly took it and made it a required daily training subject for the two warbands.

For example, after three hours of deep sleep, they would wake while it was still before dawn and meditate for several hours until five or six in the morning.

When Matthew decided to let Natasha experiment with awakening Armament Haki, he had not only mentioned Armament Haki, but also explained the operating logic of Observation Haki in detail.

This woman truly was clever. She took the initiative to figure out how to awaken Observation Haki herself.

By combining will, life energy, and her spiritual side, she had genuinely created Observation Haki.

So Natasha's awakening of Observation Haki was an accident, but also within reason.

It was likewise the inevitable result of accumulation.

Judging from Natasha's description of Observation Haki's functions, it was almost no different from Matthew's orthodox Observation Haki.

Both had the ability to sense the strength of life auras, emotional changes, predict danger, and so on.

However, what was somewhat different from Matthew's Observation Haki was that hers was a bit too detailed.

So detailed that it could sense biological emotional changes on a deeper level and already possessed something similar to mind-reading. She felt that after further improvement, she should even be able to read memories and the like.

It was similar to the psychic power of Professor X, the mutant.

Matthew was not surprised by this.

Observation Haki itself produced different effects depending on each person.

It was the same in the world of One Piece.

For example, Queen Otohime could transmit her consciousness to others. Redfield could read memories. Aisa possessed telepathy that could cover an entire country.

Fujitora, due to his blindness, combined hearing and perception, allowing him to detect the position of meteorites and subtle changes in the environment.

Because of individual differences, Observation Haki manifested in different ways. It included a basic level of perception that applied to everyone, as well as deeper applications unique to highly gifted users. Its strength and range increased with the user's training and mastery

Matthew believed that once the other soldiers of the two warbands awakened Haki, there would also be other differences.

"Since you've awakened it, do you want to rest for a while?"

Matthew was very concerned about Natasha's physical condition.

During this period, Natasha's body had constantly been in a state of internal injury. Although her recovery ability was absurd, she had barely recovered each time before being beaten by him for an entire day again. Continuing like that, the pain was not something an ordinary person could endure.

If it had been a normal person, they probably would have collapsed long ago.

Only someone like Natasha, whose iron will treated pain as if it were nothing, could endure it.

"I really do need to rest. That punch just now emptied my Haki reserves."

Natasha nodded decisively. She raised her hand, and a dark sheen slowly appeared over her palm, but it quickly faded.

Armament Haki had a quantity. The more Haki one possessed, the stronger the Armament became.

And once it was overused, the user would fall into exhaustion.

For example, when Luffy used Gear Fourth, especially after his battle with Doflamingo, he became exhausted because he had overdrawn his Haki too much, even becoming unable to defend effectively against follow-up attacks. This directly proved that Armament Haki had a usage limit.

Fortunately, as long as one rested, Haki would recover.

As for how to increase Haki reserves, naturally it was through constant training, battle, and rest, repeated again and again.

At the same time, as the body grew stronger, reserves would also increase through that process.

Natasha never tried to force herself. On the contrary, she was extremely rational, almost cold when it was time to be rational.

She had a woman's emotional side, but it was hidden deep within.

She knew very well that rationality was the key to survival.

"All right. Rest properly for the next two days."

Matthew admired this about Natasha. Passion was fine, but recklessness and forcing oneself were not.

He did not want each of his subordinates getting swept up in hot blood and treating themselves like protagonists. After all, none of them had unlocked Luffy's ability to keep getting back up again and again.

In this universe, recklessness was no different from signing your own death warrant.

Matthew himself was not reckless, so his subordinates were even less allowed to be.

Matthew led Natasha out of the Mirror Dimension. The exhausted Natasha no longer had the energy to cling to Matthew. She immediately left, planning to take a shower, properly digest what she had learned, and then sleep.

As for Matthew, he went to find Skye. Ever since the girl arrived at the base, he had not paid much attention to her because he had been focusing on Natasha.

Now that he had time, he needed to take her seriously.

A girl version of Whitebeard. Her potential was too high, surpassing everyone in the two warbands. Perhaps only Needy could compare slightly.

Teacher Matthew's desire for good seedlings was no less than Cao Cao's longing for the Martial Saint.

They were all his future wings.

When he found Skye, the girl was training on a small island adjacent to the southwest side of the main island.

Because there had not been enough time, the training room made from anti-vibration materials for her had not been completed yet. So a nearby island had been specially chosen for her.

Matthew had also personally arranged a magical barrier around the small island.

The girl could destroy things however she liked. Any vibration energy she sent out would immediately be absorbed by the magical barrier and converted back into magical energy to maintain the barrier's operation. Naturally, it would not create waves or tsunamis either.

No one supervised her while she trained. Only a transport ship waited outside the island. If Skye needed anything, she could contact them at any time through her communicator.

Skye wore her hair in a ponytail, a training tank top, shorts, and sneakers. The suppressor bracelets on both wrists had already been taken off.

She stood in an open area specially cleared not far from the beach, facing a rock roughly one or two meters tall, both hands aimed at it.

The sweat on her forehead showed that she had been there for some time and had already trained for quite a while.

Buzz!!

As Skye activated her ability, an invisible wave of vibration energy crossed ten meters and struck the rock.

...

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