Second, black.
Black gave people a sense of mystery, depth, and nobility.
It also represented negative emotions such as death, fear, and evil.
But none of that mattered to Seiichi.
When black was mentioned, Seiichi had only one thought.
Assimilation!
Stained by a drop of ink, a glass of clear water became black water.
Any other color painted over with black became black.
That was assimilation!
Now Seiichi had developed assimilation as well.
Regardless of the nature of the natural energy, or the attribute of an element or living being.
As long as Seiichi absorbed it, it could all be assimilated into the purest dark energy to supply him.
These four points were Seiichi's greatest gains over the past few years.
Of these, attraction and gravity had been the hardest to develop.
They had wasted an enormous amount of energy.
Otherwise, with the negative energy from across the entire Shinobi World that the Land of Demons had accumulated over thousands of years,
it should not have been impossible to push even a single pair of eyes to the nine-tomoe Rinnegan level.
That was the reason.
After Seiichi finished speaking, he saw Hikari sitting behind him, propping her head on her small hands and watching him intently.
Their eyes met.
Then they both smiled.
"All right, go take care of your work. I should go train too."
Hikari knew Seiichi was busy, and she would not cling to him like a little girl.
She felt that the gap between her and Seiichi was a little too wide now.
She had to make time to train.
Otherwise, the gap between them would only grow wider in the future.
"Mm, come here." Seiichi looked at Hikari, his eyes deep and a faint smile on his lips.
He gently beckoned to Hikari, signaling for