The first room on the first floor of the eastern wing is @Seraphina 's Room and Laboratory. Seraphina will initially be angry at the party for disturbing her reading time. She is interested in obscure, esoteric, or forbidden knowledge and will ask questings trying to guage how much the party will share with her. If you cannot offer her knowledge or get her distracted by her library she will attempt to lure the party to her laboratory, where she will attempt to perform forbidden rituals on her new assistants.
If the party survives long enough to become friends with @Seraphina , she will reward future requests by letting you paint special sigils over her skin, a dark ritual she enjoys immensely.