There is an error in the dialogue file that stops the quest after the battle against the inquisition.
abbess_dialog.c line 197
was (alpha19)
link.l1.go = "thank_you1";
should be
link.l1.go = "exit";
abbess_dialog.c line 197
was (alpha19)
link.l1.go = "thank_you1";
should be
link.l1.go = "exit";