Inside Elder Uchiha Setsuna's home.
Forbidden Jutsu: Oniichigo no Jutsu
At that moment, a unique diamond-shaped Cursed Seal emerged in Uchiha Yoru's palm, which he then pressed over Elder Setsuna's eyes as they gradually lost their warmth.
Immediately afterward, a cold yet slick force traveled through his arm and into his body, all the way to his eyes.
When he felt a cold yet comfortable sensation spread through his temples, he could not help but smile.
"Sure enough, my guess was correct. We are both from the Uchiha Clan. Though we are not direct relatives, the rejection between our powers is extremely slight.
"And there is also the so-called Pupil Power of the Uchiha Clan's Sharingan!"
Feeling the icy, refreshing comfort flowing from his eyes, Uchiha Yoru narrowed them, a blissful expression appearing on his face.
Pupil Power varied in strength even among Three-Tomoe Sharingan. There were innate differences as well.
The original story mentioned that those eyes of yours possessed the potential to awaken the Mangekyo. Even among Three-Tomoe Sharingan, there was still a difference in Pupil Power.
"Strengthening my Pupil Power may not allow me to evolve directly, but it can make me the strongest Three-Tomoe, giving me the potential to awaken the Mangekyo. As my Pupil Power grows, it may even reduce the difficulty of awakening it."
This force came quickly and faded just as quickly. When Uchiha Yoru lowered his hand, the diamond-shaped mark on his palm had vanished, while the whites of his eyes were covered in bloodshot veins.
He could even feel a faint swelling, as if his eyes might burst, making Uchiha Yoru cover them.
"As expected, though this rejection is slight, it still exists. But this power will be completely fused in three to five months at most."
Uchiha Yoru lowered his