Limits.
Limits were everywhere.
If the waters were too confined, even the most gifted fish could only suppress its own growth to survive.
Given only a tiny patch of space, even an eagle could only fold its wings, unable to fly.
This had been evident when Shinku invaded the Shinobi World.
If the plane of the Shinobi World were a sheet of glass, snakes, insects, and rats could scurry over it freely. But if two fully armed adults fought on it, the slightest misstep could shatter that glass.
That phenomenon...
Had nothing to do with what came next.
The Shinobi World's fragility was an objective fact, entirely different from the limit Kamizuki had sensed.
"Kamizuki, how do you think the First died?"
One day, several years ago, Orochimaru had suddenly brought this up.
Bored out of his mind, Kamizuki replied offhandedly, "Don't you have plenty of new Otsutsuki specimens? You're still researching Hashirama cells?"
"If you're that interested, just have Nawaki bring him back with Impure World Reincarnation and ask him."
Orochimaru shook his head slightly and said quietly, "Lord Tobirama and I have resumed our research into Hashirama cells. We probably understand the First's body better than he did himself."
Kamizuki was momentarily speechless.
Indeed, for a long time, Tobirama had understood the Sharingan better than members of the Uchiha Clan themselves.
Were these researchers sick in the head? Did they have no concept of privacy?
Orochimaru didn't keep him guessing. He spoke plainly.
"We're fairly certain the First didn't die from old injuries sustained in his battle with Madara Uchiha flaring up, as the rumors claim."
Orochimaru pulled out a stack of documents and continued, "Kamizuki, do you remember Jugo, the one who follows Sasuke?"
Kamizuki raised his eyebrows slightly. Bringing up Jugo at a time like