Nara Dan didn't mind telling Orochimaru some of the Ninja World's secrets to make his research easier.
But he didn't tell him everything.
Nara Dan still withheld plenty of information, such as the origins of the Sage of Six Paths, the Otsutsuki surname, and the secrets of Senjutsu.
Most importantly, he said nothing at all about the Ten-Tails, the source of the Sage of Six Paths' power.
With a rebellious genius like Orochimaru, Nara Dan couldn't possibly trust him completely.
Nor would Nara Dan underestimate the power of a genius from the Ninja World.
If Orochimaru learned too much, who knew what might happen? They could end up with something like Otsutsuki Orochimaru or Ten-Tails Orochimaru.
That would be a real mess.
Naturally, Orochimaru didn't believe Nara Dan's nonsense about Madara Uchiha being unable to use his full power. As a former member of the Konoha High Command and now the head of Konoha's Research Department,
Orochimaru had access to most of Konoha's intelligence files. According to reports from intelligence operatives who had visited the Mist Ninja battlefield,
the devastation there was even more extreme than in a Tailed Beast battle. Mountains had been cut apart, and rivers turned upside down.
The terrain had been altered for dozens of kilometers, and there were traces of Wood Release amid the fresh trees of a new forest.
The claim that Madara couldn't use his full power must have meant he couldn't match someone at Nara Dan's level. Even so, the frail, elderly Madara could still wield power far beyond that of a Tailed Beast.
"In any case, research into Chakra and Senjutsu must continue."
Ignoring the hopeful look in Orochimaru's eyes, Nara Dan put away the Rinnegan in his hand.
"You can build on what I mentioned earlier."
"You could try developing