When it comes to an Original Ghost Talk at the same level as the Booksmith, it is very likely that he wouldn't be able to answer, and if he can't answer, then he's the one who's unlucky.
If he can't solve the problem, then the person who caused the problem gets solved.
"Later on, we also inquired about the origin of the ghost talk concerning the new human species. The answer given by the Booksmith was that it all had to do with a certain human," Xu Cixi began delving into the main topic after finishing the introduction of the concept. "This individual is very mysterious, and existed in Wangcheng City before its disappearance, being one of the original inhabitants. He appeared in many of the early Ghost Talk Events of Wangcheng, but his purpose is still unclear for now."