I'm guessing you have some plans for Sibyl, otherwise she'd have been tanked straight off, so I look forward to seeing what they are.
A fine and extremely readable chapter.
Author's response
Quite honestly, I'm not really certain I want to integrate Sybil. She was a bit player in canon and the students have a huge load to deal with without her doomsaying. On the other hand, she might be a valuable source of information on Dumbledore's behavior. I'm leaning toward the compulsions being too strong and she goes into the tank.
Alorkin