Considering it was a part of the previous two Baldur's Gate games, this might be relevant knowledge for later in the story.
The Dark Moon Heresy.Oh, fascinating! Thank you -- I guess that I would be one of the slaughtere, would absolutely fall for that.
The associated novel looks really good too, the artwork is fantastic: https://forgottenrealms.fandom.com/wiki/Mistress_of_the_Night_(novel)