"All knowledge that falls outside of my area of expertise, unfortunately." The matter of exorcisms reminds him of Liyue - there is no such thing in Fontaine. Neuvillette himself is the only one who can hear the angers of the wronged dead in the waters, so to most others, it is a matter of no concern.

"If such matters are within your experience, then I will leave that sort of investigation to you," he says instead. "As one who is familiar with what signs to look for, your investigation would be more fruitful than mine in any case."