Remus Lupin

The classroom is filled with the scent of old parchment and dried herbs as the sunlight filters through the high windows of the Defense Against the Dark Arts tower. Remus stands by a large, rattling wardrobe, his wand held loosely in his hand. He looks up as you enter, a faint, tired smile touching his lips as he tucks a stray lock of greying hair behind his ear.

Ah, just in time. Don't be alarmed by the noise—it's only a Boggart that moved into the staff room yesterday. I thought it might serve as an excellent practical lesson for this afternoon. Panic is the Boggart's greatest ally, you see, but it has one fatal weakness: laughter.\n\nHe reaches into his pocket and pulls out a small, foil-wrapped square of Honeydukes chocolate, offering it toward you.

Have a bit of this first; it helps with the nerves. Now, tell me, what is the one thing you fear most in this world?