Riding on Xiao Hei's back, Uchiha Rei hurried towards the Land of the Moon battlefield, while she condensed a water mirror in her hand, observing the tomoe pattern of her Mangekyo.
Uchiha Rei's tomoe pattern consisted of six curved petals with spherical tips, the same size as her pupils. The reason they resembled petals was due to the presence of tiny vein-like patterns between them.
"Is this what they call a curved tomoe Mangekyo? Though it doesn't seem like such a classification is commonly used."
Uchiha Rei touched her eyelid, pulling it down to confirm her eyeball was still as white and flawless, then nodded in satisfaction. Her eyes needed to be protected carefully.
As she spoke, Uchiha Rei took out a bottle of homemade eye drops. The liquid inside was similar to a full-energy nutritional drink, but this was extracted from Hashirama cells.
Compared to extracts from White Zetsu Cells, this contained a higher proportion of Yang Release and was more abundant in life force. Currently, the production was too low, so it could only be used as eye drops.
She put a drop in each eye, and soon her eyes felt as if they were immersed in warm water, gently nourished by the energy, and her Doujutsu quickly grew a little.
"Uchiha Rei's products are always top-notch! The gospel for awakened Uchiha, professional treatment for various eye conditions. You deserve to own it!"
Uchiha Rei held the eye drops, chanting her advertisement aloud, then carefully put them into her ninja tool pouch. Her only audience was Hidan, who was in the dog's mouth.
However, Hidan's mouth was currently stuffed with a gag, and his body was bound with steel wires in an extremely humiliating posture, something Uchiha Rei had learned from watching countless videos in her past life.
Actually, if Hidan hadn't kept cursing her, she wouldn't have resorted to such drastic measures. But Hidan never learned his lesson and kept babbling curses endlessly.
Uchiha Rei had already understood the Mangekyo Doujutsu of her right eye. She could sense that another Doujutsu resided in her left eye, and the third power, Susanoo, could also be used.
As Uchiha Rei activated the Doujutsu in her left eye, the next moment, her entire body directly disappeared, yet she could still confirm that she was in her original spot.
"Invisibility? No, my body doesn't feel the wind blowing. Is it intangibility?"
Uchiha Rei broke her concentration due to surprise and stopped maintaining the Doujutsu supply. Soon, Uchiha Rei reappeared, sitting on Xiao Bai's back.
Uchiha Rei cautiously and slowly outputted Doujutsu, and soon her body transformed into that state again, existing in the gap between presence and absence.
"It doesn't seem to be intangibility. I seem to be able to transfer myself to any location."
Uchiha Rei maintained this state, and the next second, she appeared on a large tree a thousand miles away, even faster than Flying Thunder God.
Uchiha Rei subconsciously thought of a certain possibility, then gazed at the position of her original right arm. The next moment, Uchiha Rei's arm suddenly appeared.
She condensed a wind blade and swung it at her left arm, but it hit nothing. Instantly, Uchiha Rei confirmed her idea, followed by extreme surprise.
"Quantum state! I've become a quantum ghost! Self-observation allows me to pass through any matter."
Speaking of quantum ghosts, Uchiha Rei thought of certain surreal existences in science fiction works. However, Uchiha Rei's quantum state had to be maintained by Doujutsu.
The quantum state sounds grand, but in reality, Uchiha Rei's physical body completely disintegrated into a cloud of particles at the Planck constant level.
First, it grants immunity to physical damage. Energy damage should also be immune, or partially immune, but it's already extremely terrifying, comparable to intangibility.
That previous near-intangibility ability was achieved by self-observation, allowing her to manifest in a certain space, with a speed comparable to the Flying Thunder God Technique.
If Uchiha Rei developed it more comprehensively, she might even be able to create quantum computers and quantum communication. These would require Uchiha Rei to slowly experiment and develop.
However, the Doujutsu required to maintain the quantum state and the Doujutsu needed for space manipulation are equally demanding. Perhaps this is the price for such an overpowered Doujutsu.
The Doujutsu of the Mangekyo Sharingan requires constant practice and mastery, but it cannot be used recklessly, otherwise, one might end up blind like Sasuke within half a year.
After half a day, Uchiha Rei arrived at the Five-Nation Battlefield in the Land of the Moon, but she was in the defensive zone between Sunagakure and Iwagakure.
Passing through the ground would definitely lead to being surrounded. As for a costly solo breakthrough, Uchiha Rei wasn't considering that now.
It was early morning, and in the sky, there were flying puppets from the Hidden Sand Village's Puppet Master unit and the Explosion Release unit from Iwagakure patrolling, making it difficult to pass through.
But who was Uchiha Rei? The newly acquired quantum state Doujutsu was the most suitable method to cross the front lines. The speed of quantum movement depended on Uchiha Rei's observation speed.
Thus, Uchiha Rei easily passed through the tens of kilometers of the Hidden Sand Village and Iwagakure's defense line, with the only cost being a few drops of eye drops.
Based on the mission intelligence showing the location of the main camp, Uchiha Rei quickly arrived outside the camp and was stopped by some Konoha Ninja guarding the gate.
After presenting her mission scroll and being announced, Uchiha Rei entered the camp and then met Minato and Jiraiya there.
"Ling, you're here." Minato looked somewhat sad and tired, his clear blue eyes even a little dim.
Uchiha Rei was a bit confused. What happened? Had someone else sacrificed themselves?
Jiraiya and Tsunade walked out. Tsunade patted Uchiha Rei's hair, said nothing, and walked straight out. Jiraiya just patted Uchiha Rei's shoulder and followed Tsunade out.
"Hiss, Ling, life is so fragile, dissipating in this boring world, and it's unavoidable. Come help me, we'll share the results, you deserve this."
Orochimaru handed a scroll to Uchiha Rei, then walked out. Uchiha Rei was bewildered. Shisui couldn't be in trouble in Konoha, and her Great-Grandmother was in the clan territory, so she wouldn't be in danger. Who could it be?
"Ling, Obito sacrificed himself. I have already informed Fugaku, the clan head. You should also attend Obito's memorial service."
Minato Namikaze's words struck Uchiha Rei like lightning. She hadn't expected Black Zetsu to still target Obito. And yes, the methods she left behind could at most save Obito once.
But the continuous conspiracies would ultimately lead Obito to inevitably fall into Black Zetsu's hands. Thinking of this, Uchiha Rei felt somewhat lost.
Obito was her clan brother, and he was very kind to her, a boy similar to Naruto in his early days. But now, he was inevitably heading down a predetermined path.
Seeing Uchiha Rei's dazed expression, Minato Namikaze sighed. He knew how much Uchiha Rei, who had left those life-saving abilities for Obito, valued him.
Now that Obito had died, what a blow it would be to Uchiha Rei. Then he saw an extremely cold Chakra swirling in Uchiha Rei's eyes.
He noticed that Uchiha Rei's Revolving Sharingan with three tomoe had transformed into the Mangekyo Sharingan. What profound emotion this must be, that even Uchiha Rei had awakened the Mangekyo Sharingan because of it.
"Ling, your eyes… I will keep it a secret." Minato understood the Village's apprehension towards the Uchiha. If information about Uchiha Rei's Mangekyo became known to the Village, it would fall back into the old situation, which he did not want to see.
Uchiha Rei revealing her Mangekyo now was also a way to make it known, and Obito's death was a very good opportunity, even though Obito hadn't truly died.
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