Decline

Your laugh sounds harsher than you intended, but you cannot help it. She used you before, rewarding your honest efforts with cold betrayal. No amount of money could convince you to work with her again, and her offer is too high for a job this simple and not high enough to heal your wounded pride. You tell her no.

"Fair." Her cold face does not betray any emotion. "I will keep my letter but give you the address. Do with it what you will – maybe you’ll trust a stranger where – I really am sorry for how things went down." She writes a few words on a scrap of paper.

You can now contact the Heretrix’ dubious acquaintance during your visit to Northbeachiswamp

You take the note and leave, not shaking the offered hand.