Third Hokage Hiruzen Sarutobi naturally could not casually come to this laboratory for a transplant surgery, so he chose to have his arm sent back instead.
But that was only normal. If Kenichi Amamiya were Hiruzen Sarutobi, he would not have chosen to meet Orochimaru alone either, much less while in the awkward situation of needing an arm replacement.
If his previous arm could no longer be used, forming Hand Seals one-handed would have some effect on his strength. Though it would not stop the Third from beating up other ninja.
But when facing a kage-level expert as formidable as Orochimaru, it could be fatal.
"Teacher, what are you planning?" Kenichi Amamiya asked as he watched his teacher.
At that moment, his teacher was securing Hajun Shin to the operating table.
The other man was trembling, yet he still clenched his teeth and said nothing, making Kenichi Amamiya glance at him again.
By now, Kenichi Amamiya knew that the main reason this man was willing to become a test subject was to learn Cloning Technology. He was truly ruthless.
Kenichi Amamiya knew he could not be that ruthless. Even if he wanted to learn Cloning Technology, he could find other ways rather than turning himself into a test subject.
"See if you can induce cancer in his arm as well." Sure enough, his teacher gave an answer Kenichi Amamiya had expected, leaving him both amused and helpless.
But in an arm?
Kenichi Amamiya found it somewhat difficult. Most cancers people knew about were related to organs, but he did think of one particularly suitable type.
The problem was what could induce it.
The causes of lung cancer were related to cigarettes—Nicotine, tar, and so on—but what about Bone Cancer?
"Teacher, do you have any crude oil here?" Kenichi Amamiya thought