When you put it like that… [ He thinks back on a conversation he had with Harry and has to ask. ] I don’t know much about the cryst beyond what’s been said… But if it keeps giving you the slip, and you say it has a habit of ‘not wanting’ to be found… Would it be wrong to guess it has some form of sentience?

[ Or… Some kind of artificial intelligence system born of magic, perhaps, not unlike some he’s come across. Something to make it try to preserve its own safety or stay out of people’s hands after what happened. ]