Sebas puppeteer's palm

Sebas brought over one of the men and slapped him awake. The man regained
consciousness with a shudder, and Sebas placed his hand on the man’s head.
Sebas had not used much force but within two seconds the man’s head lolled
back, then snapped back to its original position like a pendulum.
The man’s eyes were now unfocused, like he was drunk.
Sebas began asking questions. The assassin, a man of a traditionally tightlipped
profession, sang like a canary. Faced with this bizarre sight, Climb asked
Sebas: “What did you do to him?”
“This is a skill called the [Puppeteer’s Palm]… fortunately, it looks like it
worked.”
Climb had never heard that technique before, but he frowned at what the man
was saying.
They were assassins trained by Six Arms, the strongest combatants of Eight
Fingers. They had apparently followed Sebas in order to kill him.

- Overlord; Vol 5; Chapter 4