Ryun Uchiha was placed on his own bed by Tobirama Senju. He pondered slightly, thinking about the connection between ocular power and chakra.
He began to flip through ancient texts. The chakra of the Uchiha clan's Sharingan was cold and violent, a typical example of Yin attribute chakra. Even when upgraded to Mangekyō, it still used Yin attribute chakra.
Tobirama Senju looked at his own hand and couldn't help but sigh. He never thought that one day he would be saving an Uchiha brat by transferring his own Yin attribute chakra to him.
He shook his head, then began to extract Yin attribute chakra. Black chakra wrapped around his right hand, which he then injected into Ryun Uchiha's head, more precisely, into his left eye.
For a jutsu master, one of the strongest fighters of the Warring States period, Tobirama Senju's precision in controlling chakra far surpassed everyone else of his time!
In the Senju clan, Hashirama Senju possessed all chakra attributes except Yin, while Tobirama Senju had all chakra attributes.
Therefore, he could extract Yin attribute chakra, and in large quantities at that, since his spiritual energy was also very powerful. Otherwise, how could he create forbidden jutsu? How could he invent genjutsu like Darkness Genjutsu?
Tobirama Senju closed his eyes, raised his right hand, and converted the chakra within his body into Yin attribute chakra. This process might seem difficult to others, but to him, it was a piece of cake.
Inside the mental space.
The system screen was conversing with Ryun Uchiha.
"System, how many days do you think this Eternal Mangekyō Sharingan implantation will take?" Ryun Uchiha asked with a smile.
"Ding, approximately ten days or so. This is because the system must not only repair the host's original Samsara Eye but also implant the abilities of another Mangekyō into it."
"Ten days? Wouldn't Tsunade worry herself to death? No, no, system, can we make it five days?" Ryun Uchiha tried to bargain.
The system remained silent, merely focusing on channeling the ocular power of the Eternal Mangekyō Sharingan into Ryun Uchiha's right eye.
"It's not impossible, but then the skills cannot be chosen by the host. Whatever comes up randomly will be selected," the system said flatly.
Upon hearing this, Ryun Uchiha deflated. He couldn't help but sigh. That wouldn't do. What if it turned out to be Amaterasu? That would be terrible!
Moreover, according to the panel displayed by the system, if a full repair wasn't conducted, there was a 50% chance of drawing Amaterasu!
As the saying goes, an Amaterasu that can't burn people to death? That really wouldn't do! He sighed, thinking he would just have to make it up to Tsunade after he got out.
Unexpectedly, the system's voice rang out the next moment. "Ding, detected that the host is being continuously infused with Yin attribute chakra by Tobirama Senju. The system's repair difficulty has decreased by 70%. Estimated full repair time is only two and a half days."
A huge countdown appeared above his head. The sixty hour countdown began. The system no longer responded to him but instead used this chakra to repair the damaged Samsara.
According to the system, after the left eye's Samsara transforms into the Eternal Mangekyō Sharingan, the resurrection count will be refreshed, totaling five times, with an additional upgrade effect: Longevity.
Longevity: As long as the Mangekyō ocular jutsu Longevity is activated, it can restore a person's bodily functions to their peak condition. Cooldown time: 2 years. The soul does not die, lifespan does not end! (Remaining uses: 2)
The right eye's Mangekyō ocular jutsu, Will of the War God, is fully upgraded. I am the War God. Upon activation, all attributes are doubled for two hours. Cooldown: twelve hours.
(Note: The doubling is based on the strongest state. For example, if Ryun Uchiha is in Sage Mode, the bonuses from Sage Mode are also doubled.)
This is just the evolution and skill effects of the main body's Mangekyō. As for the other two, they are self selected. In short, the Eternal Mangekyō Sharingan has four skills: the original two, plus two chosen ones.
Ryun Uchiha marveled. Another cheat is here. He felt these skills were so practical! The original skills were already fierce enough, and now they're enhanced!
It was just a bit boring waiting. Sensing the host's emotions, the system tossed him a book.
Ryun Uchiha smiled with satisfaction. He passed the time reading this book.
Outside.
Tobirama Senju had been transferring chakra for twelve hours. By now, he was drenched in sweat, but he was still refining chakra!
His consciousness was somewhat blurry, but he gritted his teeth and persisted. Ryun Uchiha had sacrificed one Mangekyō Sharingan to resurrect him and his brother. This favor was undeniably heavy.
Even if he ruined his own body, if it could make Ryun Uchiha wake up, it would be worth it, it would be right!
Hashirama Senju sensed something was wrong and pushed open the door to his room. He immediately saw that his brother was already forcing himself to extract chakra!
This guy! He doesn't even tell his big brother when something's up! Then, attribute-less chakra was injected by Hashirama Senju into Tobirama Senju's body.
The previously dazed Tobirama Senju immediately perked up. "Big brother! How did you get here!" His face showed shock and joy.
"Heh, if I didn't come, were you planning to destroy the foundation of this body? If you need chakra, just tell me. I'll give you attribute-less chakra, and you can convert it, isn't that right!" Hashirama Senju couldn't help but complain.
Tobirama Senju's lips curled upward. "Okay, then I'll trouble you, big brother!"
"No problem!" Hashirama Senju chuckled happily. However, when it came to transferring chakra, he was not careless. A small portion was used to nourish Tobirama Senju's body, while the majority was given to Tobirama to manipulate, converting attribute-less chakra into Yin attribute chakra.
With Hashirama's joining, the chakra transfer gradually stabilized, and the amount gradually increased.
The system prompted, "Ding, due to Hashirama Senju joining the chakra transfer team, the evolution is expected to be completed tomorrow morning. Current progress: 55%. Pre-selection of Eternal Mangekyō abilities is now available!"
Ryun Uchiha glanced at the skill descriptions and immediately felt his heart surge with excitement. After pondering for two hours, he finally made his choices.
Time Leap and Soul Shattering Nine Hells
Time Leap, as the name suggests, allows the user to lock onto a specific time node using the ocular power of the Eternal Mangekyō, be it in the future or the past! However, it requires paying a great price!
Soul Shattering Nine Hells, a jutsu targeting the soul. The ninja targeted by this ocular jutsu will have their soul instantly seized and subjected to endless hellfire torment within the Nine Hells until the soul shatters and is refined into nourishment! (Extremely effective against the Ōtsutsuki clan!)
System:...
This host is quite unceremonious. There are only two SSS level ocular jutsu, and he selected both of them. It was just about to speak up, but Ryun Uchiha stared with his big eyes, as if asking, "Is that not allowed?"
The system felt like killing itself, but ultimately agreed to engrave these two skills onto his Mangekyō.
Ryun Uchiha felt comfortable, shaking his legs, eagerly anticipating the countdown to end quickly, for tomorrow to come soon.
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