Professor Dumbledore looked around the Great Hall before continuing:
"This term, our school has welcomed the Dementors of Azkaban. They are Ministry of Magic employees sent here to carry out official duties.
"Earlier, on the train, they searched the Hogwarts Express on the Ministry of Magic's orders, but unfortunately, things became somewhat unpleasant.
"Although Miss Potter successfully drove the Dementors away with the Patronus Charm, I must remind you that it is an extremely difficult spell. The vast majority of adult wizards cannot cast it successfully.
"And for young witches and wizards who haven't mastered the Patronus Charm, Dementors are exceedingly dangerous.
"None of the spells, Potions, or magical objects you know can fool them..."
Professor Dumbledore launched into a long speech, repeatedly stressing the importance of safety.
After all, Harley had defeated the Dementors earlier, so Professor Dumbledore was worried that a few young witches and wizards might get an inexplicable boost in confidence and decide to take them on themselves.
The restless Gryffindors in particular were at the top of Professor Dumbledore's list of students to watch.
Once he had finished talking about the Dementors, Professor Dumbledore's expression softened.
He looked around the Great Hall again, then cleared his throat.
"Let's move on to a lighter, more pleasant topic. I'd like to introduce two new professors."
"First, this year's Professor of Defense Against the Dark Arts, Professor Lupin!"
Professor Lupin, his face haggard, rose to his feet to acknowledge Professor Dumbledore's introduction.
A smattering of applause came from the Great Hall. Most of the students remained unmoved.
After all, Professor Lupin's clothes were ragged and covered in patches.
Any wizard with even a bit of skill would never let himself live in such a state, even if he couldn't use magic to mend his clothes.
After so many