[ Harrow has seen Zelda in the library before, both with and without her cavalier present; she is a familiar Library Face. This makes her inquiry worth Harrow's time automatically, as she is a competent-appearing researcher.
The fact Harrow has information to add, an added bonus.
Thus, she appears in all black, with her bone jewelry and black necromancer's robe, a picture of ... well ... blackness ... and necromancy ... on the appropriate date and time for people who knew about magic and were able to perform it previously. As usual, her presentation is mostly neutral, though she appears to have a bit more dedicated interest in what she is doing now than she does on any nonmagical occasion. ]
Group A, but really both:
The fact Harrow has information to add, an added bonus.
Thus, she appears in all black, with her bone jewelry and black necromancer's robe, a picture of ... well ... blackness ... and necromancy ... on the appropriate date and time for people who knew about magic and were able to perform it previously. As usual, her presentation is mostly neutral, though she appears to have a bit more dedicated interest in what she is doing now than she does on any nonmagical occasion. ]