Powerless
Even though Carl couldn't see anything, he could roughly guess the situation from the sounds he heard. Garten laughed along with the sound of something moving, and the sound of pages being turned could also be heard.
Since there was no time, instead of whipping him, Garten intended to quickly finish him off and turn him into a slave.
"If it's a book, it must be something called Dureniodon. It turns you into a slave. So, instead of persuading the knights or the intelligence agents with words, he brainwashed them with it?" Carl thought.
It was not just some simple heretical scripture.
Carl realized that the unidentified entity that had taken control of Garten's body was the one who had orchestrated Hilfin's work.
When he thought of the figurines that emerged from the pool of Hilfin's blood, it wasn't surprising that Dureniodon possessed some suspicious powers.