Uchiha Yin had also tested Konan's mental strength by placing her under simple Genjutsu and having her break free.
Just as he expected, Konan's resistance to Genjutsu was exceptionally high. Ordinary Genjutsu had no effect on her at all.
Konan could feel herself growing stronger, and she was delighted.
Without strength, she would be at others' mercy. Uchiha Yin had drilled that lesson into her, and Konan had gladly taken it to heart.
After Konan became his, the system in her mind upgraded to the same version Tsunade and the others had.
In a basement hidden away in Konoha, Orochimaru stared intently at the spoiled bun in his hand, muttering to himself.
"Why did this happen? It shouldn't be possible." He sank back into thought, gently pulled off a piece of the bun, and ran all kinds of tests on it.
This was an officially sanctioned Konoha laboratory.
Every ninja village conducted human experiments. They simply used prisoners from other villages, rogue ninja, or inmates from Konoha's prison as their subjects.
It was unavoidable.
In the original story, Orochimaru had incurred the Third Hokage's wrath by experimenting on Konoha's children. Danzo had exposed him, so the higher-ups all knew. Hiruzen Sarutobi had no way to protect him.
For now, though, no one could interfere with Orochimaru, and the Truth-Telling Barbecue Bun had been sent to his laboratory.
Orochimaru was currently researching the secret of immortality. At first, he had dismissed the Truth-Telling Barbecue Bun.
Something made from seals, barriers, and Cursed Seals could make people tell the truth after eating it?
What use was that? Could it grant immortality?
But after studying it, Orochimaru was stunned.
"How did you do it, Yin?"
"This isn't just a combination of Cursed Seals, barriers, and seals. It involves a mysterious power beyond anything