"Everywhere and nowhere. This is her dominion. Here she may hide in any shadow — and turn any shadow into a we

"Everywhere and nowhere. This is her dominion. Here she may hide in any shadow — and turn any shadow into a weapon. Nyrissa does not prefer open confrontation... she will try to defeat you through her servants, and she won't appear until the end. I suppose, though, that there is one place that is especially important to her. It's a room in the heart of the House, on the second floor — the Shrine where her cup, the Apology, is kept. If you reach this place, Nyrissa will appear. She would have no choice."