Part 22: The Black Gate - Chapter 22
There's not much to it, really:
"As thou hast probably seen, a few of our members had a dispute with a local troublemaker over our honor flag. We of the Library of Scars have a fierce dedication to our institution. I do not know what exactly happened to this upstart, but I understand that he is now dead. I am not trying to suggest the Library of Scars had anything to do with it, of course. Only that it would be wise not to cross us."
"Hmpf! If thou didst bet against him, then I suppose thou shalt be rich! I wouldst bet that thou wert the one who killed him, too!" She turns away from you with a sneer.