Inside the secret room, the air seemed to have solidified into amber, sealing every particle of dust in deathly silence.
Uchiha Xuan slowly sat down cross-legged, with his naked upper body facing the center of the secret room.
The newly regenerated skin, which had just undergone extreme transformation, showed a strange texture, as if it were a bright enamel formed after lava was instantly cooled in the extreme cold, flowing with an ominous and gorgeous luster.
The muscles on his back have clear lines, like undulating mountains, but under that layer of enamel, there seems to be dark golden magma flowing slowly, and every pulse causes subtle fluctuations in the surrounding temperature.
"Let's get started." He didn't look back, and his voice was calm without a trace of ripples.
"Yes, Master Xuan."
Chiyo Saori had already held her breath. There was no fear in her eyes, only an almost fanatical focus.
The fingers of her hands danced like butterflies piercing flowers, and hundreds of chakra guide wires that were so thin that they were difficult to distinguish with the naked eye shot out, accurately connecting to the twelve special puppets that had been arranged around Uchiha Xuan.
These twelve puppets have different shapes, and the materials are even more horrifying.
Their core skeletons were actually polished from the remains of Tailed Beast collected on the battlefield. The energy circuits in their bodies were composed of high-purity Chakra Metal. As the core of the formation eye, they were inlaid with Hashirama Cells samples extracted from White Zetsu corpses that still maintained high activity.
"Reverse Resonance Formation, start!"
With a low shout from Chiyo Saori, the chakra from her fingertips surged out and was injected into the twelve puppets through the guide wires.
Buzz--!
The runes in the puppet's eye sockets lit up instantly, and waves of simulated divine fluctuations that were extremely close to the Six Paths level were stimulated and intertwined into an invisible network, covering Uchiha Xuan.
This is not an attack, but an extreme stimulation.
It's like dipping a red-hot soldering iron into ice water repeatedly.
This high-intensity divine fluctuation is the highest level of provocation and bait for Divine Erosion Flame, who has just swallowed the "divine core"!
Sure enough, almost at the moment the formation was activated, the bright enamel on the back of Uchiha Xuan suddenly lit up, and the dark golden light underneath it was restless, as if there were countless imprisoned beasts rushing against the cage crazily.
Uchiha Xuan turned a blind eye to this, he slowly raised his right hand, and a bone dagger as black as ink condensed out of thin air.
His expression was indifferent, as if what he was holding in his hand was not his own weapon, but a carving knife used to repair tools.
He held it with his backhand, and the sharp blade slashed down from his left shoulder blade without hesitation!
Stab--!
A strange scene happened.
The wounds deep into the bones were torn open, but not a drop of blood flowed out.
Instead, there was a wisp of dark golden flame that was as condensed as substance, slowly overflowing from the wound, like a living poisonous snake, greedily licking the blade of the bone dagger, making a soft "hissing" sound.
This is no longer a simple energy spillover.
The flame of Uchiha Xuan had used his meridians as a template to build its own, independent energy circulation circuit in his subcutaneous tissue without him knowing it.
It is transforming his body into the most suitable breeding ground for it to live and grow.
"It treats me as a stove now..." Uchiha Xuan whispered to himself, the voice was not loud, but it passed clearly into Chiyo Saori's ears, with a chilling calmness, "... I want it to know who is the one who lit the fire."
The moment he finished speaking, his eyes suddenly closed.
All perceptions of the outside world were instantly cut off, and his consciousness was like a meteorite, falling rapidly and sinking into the deepest place where his soul and body were intertwined.
That is the inner universe composed of countless light veins, each of which is a chakra meridian.
At this moment, in the center of the universe, a virtual interface composed of countless data streams, emitting a faint blue light, is running at high speed.
[Myriad Phenomena Devouring System].
Like a tireless engineer, it is trying to forcefully take over the flow of flames raging in Uchiha Xuan's body through countless invisible core protocols, trying to bring it back into the "controllable" category.
However, Uchiha Xuan ignored all its actions.
He just quietly drew an extremely complex and ancient mark in the deepest part of his consciousness, the realm that belonged to the will and soul.
[Forbidden blood contract cutting technique]!
This is Ōtsutsuki Clan's taboo secret method used to cut off the blood connection between the main family and the branch family to prevent the power from being stolen.
When analyzing the memory fragments of Kaguya, Uchi-Hagen stripped them out.
Now, after his transformation, the target of this secret technique is no longer the bloodline, but the invisible, lowest-level binding contract between him and the system!
This is more like a "super privilege stripping program" written by him personally for the system!
"Buzz!"
When the scarlet Cursed Seal was completely formed in the heart area of Uchiha Xuan, the system interface in his sea of consciousness seemed to be invaded by a virus. It trembled suddenly and erupted with a piercing alarm!
[Warning!
Illegal permission change detected!
The host is trying to cut off the core link... Performing force repair --]
Before the cold mechanical sound fell completely, Uchiha Xuan suddenly opened his spiritual eyes!
He opened his mouth and bit the tip of his tongue hard!
A stream of blood mixed with the original vitality of Divine Tree, the corrosiveness of White Zetsu genes, and his own overbearing soul will, was condensed into a mixture of spirit and matter by him, like an arrow from the string, accurately bombarding the core module of the system that was constantly flashing in the center of the sea of consciousness!
This attack bypassed all defense protocols and directly attacked the "existence" of the system itself!
Click--!
A soft sound like broken glass echoed in Uchi... Bo Xuan's soul.
The [Myriad Phenomena Devouring System] virtual interface that was once omnipotent and guided him all the way to where he is today, the moment it came into contact with that mouthful of essence and blood, it was like a code that had been splashed with acid. Starting from the center, it disintegrated inch by inch and turned into digital ashes scattered all over the sky!
Outside, in the secret room of Naka River Shrine.
"Ugh!"
Sitting cross-legged, Uchiha Xuan's body suddenly arched back, forming a terrifying arc.
The dark golden flames could no longer be suppressed and overflowed crazily from his eyes, ears, mouth, and nose, wrapping his entire body into a burning torch!
Chiyo Saori's heart suddenly rose to her throat, but she remembered Xuan's command tightly, without any trembling in her fingertips, and still maintained the maximum power output of "Reverse Resonance Formation".
She saw that Uchiha Xuan, who was swallowed by the flames, had no trace of pain on his face. Instead, he showed an extreme and controlling calmness.
This torturous scene lasted only a few seconds.
After a moment, the gushing flame seemed to have received the order of the supreme king, and slowly returned to his body at a faster speed than when it came, meekly and humbly.
When the last ray of Kakkō disappeared, Uchiha Xuan slowly straightened up.
He opened his eyes, and in the depths of his originally indifferent silver pupils, a very thin dark golden fire ring pattern that burned like a prominence quietly appeared.
That ring of fire was the ultimate proof that he had completely tamed Divine Erosion Flame and turned it into his own power!
He stood up slowly. The wound opened by the bone dagger had long since healed, leaving not even a trace of scar.
He glanced at the twelve puppets that were emitting blue smoke due to overloaded energy, and Chiyo Saori, who was pale but still had firm eyes.
"The system can still be used, but it can no longer control my anger."
His voice was calm and hoarse, but it carried an unmistakable sense of finality.
"From now on, every bit of power I give it will be fed out by my own hands, and then taken back by my own hands. Whether fire nourishes people or people nourish fire, this account has been settled."
That night, Chiyo Saori, as usual, inspected the underground cave named "Flame Master Ruins".
When her puppet's searchlight illuminated the dome, her footsteps stopped silently.
The flame film that was only partially covering the rock wall before has now quietly spread to the entire huge dome.
What shocked her even more was that these flame films no longer spread disorderly, but converged at certain key nodes into a thicker and brighter venous structure similar to the meridians of the human body, like a neural network covering the sky underground.
She did not scream, nor did she report it immediately.
He just silently controlled the miniature puppet, flew to one of the most active vein nodes, and used a special instrument to record its energy frequency and precise coordinates.
And in the deeper corners of the ground that neither she nor anyone else noticed, a layer of imperceptible and almost transparent fire mist was flowing silently along the dark and damp underground waterways, like a ghost with life, toward the distance and toward the depths of the entire Shinobi World.