Hantel was so shocked by Jacob's words that he couldn't say anything. At the same time, he knew he couldn't rebuke Jacob's statement either as Zorion did in fact, not tell him to stop. As long as Zorion didn't stop him, it meant that he was satisfied with what Jacob had to say. It was true that Hantel had overstepped his position.
Although he was extremely unhappy, he had no choice but to zip it.
"Tell us why it is Heart Disorder due to Phlegm and Fire." Zorion nodded, approving what Jacob had said.