"What technique?"
Kakashi did not get the comforting words he had expected and looked utterly confused.
"I don't want to learn any techniques right now," he said in a low voice.
"What if that technique could let you see Lin... and Obito again?" Hyuga Wuye chuckled.
"What?!"
Sure enough, Kakashi shot to his feet in shock. "There's really a technique like that?!"
"You may not believe such a technique exists, but you can't doubt the Second Hokage's ability to develop forbidden techniques..."
Hyuga Wuye patted his shoulder. "Once I officially take office, I'll be able to obtain the Book of Seals. There's a forbidden technique inside called Impure World Reincarnation, which can summon souls from the Pure Land back into this world."
"It really can?!"
"I want to learn it..." Kakashi said without hesitation, then abruptly paused. "Wait!"
His mind was naturally sharp, and he immediately found the key issue. "Does this technique have any restrictions?"
"Of course it does. First, you need something containing the summoned person's genetic material. Then, you need a living human sacrifice to serve as a body. Only then can you exchange for that soul from the Pure Land," Hyuga Wuye explained.
"A living... sacrifice..."
Kakashi repeated the words in a dry voice.
Seeing his conflicted expression, Wuye could not help shaking his head. "What's so difficult about that? There are always criminals in the shinobi world whose sins are so heinous that even being cut into a thousand pieces would not redeem them. Just use them as living sacrifices."
Kakashi froze. "But... but I just feel like..."
"The real issue isn't that..."
Hyuga Wuye patted his shoulder and said softly, "What you need to consider is that even if you summon them back, it only means putting their souls into someone else's body. It