Yin-Yang Release?

"Just as I expected..."

Having learned the location of the Hydrification Technique scroll from Elder Hozuki's mind, and without alerting anyone, Kato Osamu quietly obtained the scroll he had been eagerly anticipating that very night.

It wasn't that he was unwilling to directly extract Ninjutsu from other people's souls, but rather that most people, when facing death, would instinctively experience intense emotions due to their fear of death, leading to varying degrees of soul collapse.

Moreover, as his Spirit Transformation Technique deepened, he became even more aware of the strange and wondrous nature of the spiritual world, its mysteries beyond words.

If it's simply a matter of yes or no, something with a clear answer, he can naturally obtain a clear answer from the remnant soul of the deceased.

However, when it comes to scenarios involving subjective emotions and requiring complex descriptions, even if the same event has been experienced, the mental state of different people will be heavily influenced by their personal feelings.

Different people naturally have different understandings of the cultivation of secret techniques, and only the original scroll can guarantee the integrity and correctness of the techniques.

The mysteries of the soul are far too complex. Even now, he is merely a rudimentary user, only able to clumsily utilize some minor abilities.

"As expected, the Hozuki Clan's Hydrification Technique could never be just an ordinary Ninjutsu like a water clone..."

"The power of Yang Release..."

Kato Osamu read through the scroll from beginning to end. Although he still needed to explore the specific details, he already understood the general principles of Ninjutsu.

"The Yang Release Chakra within the body combines with the Water Chakra, allowing the body to move and attack while simultaneously being in a water-like state..."

Most of the Shinobi World that can be considered secret arts involve the power of Yin–Yang Release, in order to ensure their uniqueness and prevent outsiders from easily learning them.

Spirit Transformation Technique, Shadow Manipulation Technique, Body Expansion Technique, Mind Body Switch Technique, Chakra Enhanced Strength —the existing Yin–Yang Release families and techniques in Konoha are ultimately just special applications of either Yin Release or Yang Release.

The Hydrification Technique, however, is entirely different. It is a secret technique that combines Chakra with other attributes besides Yang Release.

The idea of combining Yang Release Chakra with other elemental Chakra has been conceived before, but those who have actually achieved it and formed a secret technique are few and far between in the entire Shinobi World.

Kato Osamu carefully studied the scroll of the Hydrification Technique, his eyes gradually lit up. The genius idea of the Hozuki Family's ancestor made it possible to combine Yin-Yang Release Technique with other elemental release techniques. Through generations of continuous improvement, it eventually became the Hozuki Family's Hydrification Technique, which is famous Shinobi World.

This also gave him some new insights into the Spirit Transformation Technique...

"If we consider the Spirit Transformation Technique, it also falls under the category of Yin Release secret techniques. Ordinary elemental Chakra can be combined with Yang Release, so what about Yin Release Chakra?"

"They even directly combined Yin Release and Yang Release..."

The biggest drawback of the Spirit Transformation Technique has always been that the physical body cannot move after the soul leaves the body, which is like a fatal flaw that limits the upper limit of the Spirit Transformation Technique. The vast majority of Kato clan members who died on the battlefield perished because their physical bodies were destroyed.

The last glimmer of glory for the Kato Clan, Dan Katō, the boyfriend of Three Legendary Sannin, one of the Princess Tsunade Konoha, also perished at the hands of his enemies because of this. With this fatal weakness, the Kato clan members were destined to be unable to become top-tier powerhouses by relying on their clan's secret techniques.

The principle behind the Hydrification Jutsu gave Kato Osamu a glimmer of hope for change...

A strange light flickered in his eyes as his gaze fell on his hands.

In his left hand, the Yang Release Chakra gathered by the Chakra Scalpel slowly glowed with a bluish-green light, condensing into the purest Yang Release Chakra ball. In his right hand, a ball of dark blue soul fire slowly emerged, its dark blue color transparent and shapeless, yet faintly revealing a hint of eeriness.

Bathed in light, Kato Osamu's eyes shimmered with a blue-green glow. Under his gaze, two orbs of Chakra slowly drew closer and closer...

"This is..."

As the two energies drew closer, large beads of sweat suddenly rolled down Kato Osamu's forehead. The instant the two Chakra made contact, a look of shock flashed in his eyes, and he abruptly separated his hands from their approach.

"Thump..."

As if out of his control, his legs suddenly went weak, and he collapsed heavily to the ground, his body drenched in sweat as if he had just climbed out of the water.

"This feeling..."

Slowly calming herself down, Kato Osamu gently raised her hands, her trembling hands seemingly carrying a primal terror.

In that Setsuna, even if it was just a fleeting moment of contact, an unprecedentedly terrifying suction force emanated from the fingertips of their clasped hands. Had he not withdrawn so quickly, it would have likely extracted all of his Chakra.

In that instant of contact, he lost almost 70-80% of his Chakra. Although he was never known for his Chakra reserves, his current Chakra level was already at least that of Elite Jonin. The loss of Chakra was comparable to the consumption of releasing several large-scale Ninjutsu.

"Yin Release... Yang Release..."

"Such an unexpected situation has arisen..."

Kato Osamu frowned, deep in thought. His body was still sore. According to the Hydrification Jutsu scroll, the key was to ensure that the two types of Chakra could be output in a balanced and stable manner within a single Ninjutsu.

How can we achieve a stable and balanced relationship between the two...?

Kato Osamu, who had been silently pondering, suddenly had a glint in his eyes. He clapped his hands lightly and immediately summoned White Nether Princess. At his signal, a hidden scroll was slowly unleashed.

This large scroll, kept by White Nether Princess, contains one of his few possessions that could be considered 'treasures'...

He took out two special transparent containers. One contained a bewitching and bright red Three-Tomoe Sharingan suspended in emerald green nutrient solution, and the other contained a mass of flesh and blood tissue sealed in a special culture medium but still constantly wriggling.

"Huff huff..."

The biting wind of the Land of Water suddenly blew open the closed windows and doors, and thick fog swept through in the gale. The sky was gradually darkening, and countless branches, like dark tentacles, began to dance and sway.

Kato Osamu gazed silently at the two objects in his hands, each representing the pinnacle of Yin Release and Yang Release respectively. The more he learned, the more he felt enveloped by darkness...

Perhaps it was the biting wind that made him shiver, but his eyes, still fixed on the scene, still shone with an inexplicable gleam. His thoughts seemed to drift back to many years ago, to the underground laboratory at the Root Konoha, to the children enveloped in nutrient solution.

"I see..."

"It seems that someone else realized the possibility of combining Yin Release and Yang Release even before I did..."

"Orochimaru- sensei, Shimura Danzō..."

Far from the Land of Water, the frigid land remains bitterly cold with its winds and snow.

No one is welcome here, except for certain white creatures.

"Lord Madara... the time you've been waiting for seems to have arrived..."

In the underground space, the aged figure slowly opened his closed eyes, coughed softly, and stirred the unknown vines behind him.

"Oh?"

It still seemed to carry the imposing aura of years past; a mere sweep of its eyes seemed to freeze the entire underground space. The figure shrouded in the pitcher plant, however, seemed oblivious, a slight smile playing on its lips.

"Obito Uchiha, perhaps you still need a good helper..."

Zetsu's voice carried a hint of eeriness. Madara Uchiha twisted his neck and slowly raised his head, as if trying to look through the earth to the sky. His eyes narrowed slightly.

"Finally, this day has come...?"

"Tick-tock, tick-tock..."

The sound of water accumulating in the stalactites echoed throughout the underground space. Suddenly, a fierce aura erupted from the bottomless darkness, silencing all other sounds and plunging the entire world into silence.

Madara Uchiha suddenly stood up. Endless vitality flowed into his body from the Demonic Statue behind him, and a long-lost sense of power filled his body. He slowly clenched his fist, and a trace of desire flashed in his eyes.

"I hope that when I wake up again, I will have become the person I want to be..."

With a wave of his hand, he severed the vines behind him. Madara Uchiha felt the life force within his body beginning to drain away, and calmly looked at the creature before him, born from his will.

"The flames of the Uchiha Clan will reignite in this decaying Shinobi World..."

"Lord Madara... you won't have to wait long!"

PS: Hahaha, I'm back again.