Uchiha Yuu's words struck right at Orochimaru's heart. His previously indifferent expression gained a trace of contemplation as he waited for Uchiha Yuu to explain further.
"This forbidden jutsu is called Netherworld Gate."
Both Orochimaru and Muichiro Tokito focused on the Netherworld, knowing that it would be the direction of their next research.
Unfortunately, Uchiha Yuu's next words made both of their eyes twitch, and Orochimaru immediately lost interest.
"Although I have mastered this forbidden jutsu, for some unknown reason, it cannot be written down. Also, using it requires the sacrifice of a human life."
They could not possibly let Uchiha Yuu offer up his life to open the gate. And if the technique could not be written down, then the forbidden jutsu held no value at all.
Just as the two lost interest, Uchiha Yuu's tone abruptly shifted. With a smile, he said:
"I brought the stone wall engraved with the forbidden jutsu. We can use enemy shinobi's lives to activate the stone wall, allowing us to learn the forbidden jutsu."
The problem before them was very real: who would learn the forbidden jutsu? Once it was cast, the user would have to sacrifice his life. That was unfair to the caster.
Of course, Orochimaru had never valued human lives. Instead, he said eagerly:
"Then let's begin the experiment immediately. I've long wanted to know what the world after a living person dies is really like!"
Orochimaru's eyes burned with the thirst for knowledge, with the madness of a scientist. For the sake of an experiment, he would stop at nothing; to achieve the result he desired, he would use every means at his disposal!
"I'll have White Zetsu cooperate with your experiments, but now isn't the time to open the Netherworld."
"The security here is still far too