"Nawaki has mastered Wood Release?"
Hiruzen Sarutobi asked after hearing Tsunade's report, and only after seeing Nawaki use Wood Release before his own eyes did he believe it with internal shock.
He had not expected the Extremis Virus Serum to be so powerful. If he remembered correctly, Tsunade had originally mentioned only extremely strong recovery powers that would allow Nawaki to become a shinobi once more; she had never mentioned anything about Wood Release.
Dammit!
Hiruzen Sarutobi felt deep regret in his heart now. If he had known that the so-called Extremis Virus Serum could even control the Wood Release Kekkei Genkai, no matter what, he would not have allowed Tsunade to research it alone. At the very least, he would have inserted a few people to get all the experimental data into his hands.
"Tsunade, Orochimaru, are there any left?"
"There are none, Teacher Sarutobi."
Before his respected Teacher Sarutobi could finish speaking, Orochimaru gave a raspy chuckle and answered first. "The key to mastering Wood Release lies in the Extremis Virus Serum. Without this serum, Nawaki couldn't possibly have inherited the First Lord's power either, and right now we no longer have any serum."
"Not even a bit is left?"
"The other party is the one who produced the Extremis Virus Serum, after all, and he controlled the dosage used in the experiment extremely precisely. Not a drop remained until the very end, and all the serum turned into data."
Orochimaru answered with absolute certainty. As for his own share of the serum, he would definitely use it on himself; that was his payment.
"In the end, only Nawaki and Karn injected the new serum. Heh, Tsunade wanted to use Wood Release ninjutsu to entice him to join Konoha, but he seemed extremely decisive and refused flatly, not