"...No. No matter what, stealing is still far too undignified," Kayson refused.
"That was a magical experiment I conducted at Durmstrang when I was a student," Grindelwald said as if he had not heard the refusal.
Kayson was the same, paying no attention to the outside world as he studied this semester's teaching syllabus.
"One of my research topics at the time was the possibility of using alchemical technology to modify the human body."
Only then did Kayson glance at Grindelwald helplessly. "Do you think that would interest me?" As he spoke, a mechanical arm slowly extended from behind him, picked up a glass of wine, and brought it to his lips for a sip.
"This cannot be applied to ordinary people," Grindelwald said, shaking his head.
"Mm-hmm, true." Kayson nodded. His mechanical arms, mantis blades, and hidden blades all relied on his power of imagination and the Redstone signals deep within his nerves for control.
At most, an ordinary person could make something like Harry's little hidden blade and an anti-Expelliarmus device. That was about all the modification an average person could accept.
"Don't you want to pass down what you have?" Grindelwald asked quietly.
"What normal person would want to turn themselves into this kind of half-human, half-ghost thing?" Kayson said with a shrug.
"But?"
"But if it's about finding a successor..." Kayson tilted his head back slightly. "Go on."
"It is a technique called soul branches. It allows a person's soul to spread out, using countless soul tendrils like tree roots to control all kinds of alchemical equipment. One person becomes an alchemical factory operating at full capacity," Grindelwald explained.
"A brain-computer interface?" Kayson translated.
"What is that?"
"Nothing." Kayson shook his head. He was no longer particularly interested in plans like finding a successor. After all,