His words struck like thunder. No matter how much turmoil there was outside, within their ivory tower, the students were still innocent children, naive and carefree.
"Excuse me, Professor Nockhan." A young Hufflepuff wizard raised a hand. "Are you going to teach us the Unforgivable Curses?"
"Oh, of course not." Su Er shook his head gently. "As far as I know, you were already introduced to the Unforgivable Curses in your fourth year. I won't be teaching them again here."
"To be precise, I want you to understand what Dark Magic actually is." Su Er turned and returned to the lectern. The students craned their necks, their eyes following his movements.
"Dark Magic comes in all sorts of forms, with countless varieties and variations, insidious and strange."
"Fighting Death Eaters who use Dark Magic is no different from fighting a many-headed monster. Destroy one head, and another emerges, fiercer and more cunning than the last. That is the sort of unpredictable thing you will be facing."
"So, to deal with Dark Magic like that..." Su Er paused and looked at the students. "What should you do?"
Hermione immediately raised her hand.
"Defend."
"Exactly. Five points to Gryffindor." Su Er nodded. "Against ever-changing Dark Magic, your defence must be flexible as well. As the saying goes, one skill mastered can take you anywhere. The Shield Charm is just such a spell. There are countless flexible ways to use it."
"Potter, stand up." Su Er suddenly called on Harry, who froze for a moment but obediently got to his feet.
"Everyone, move to the sides of the classroom."
The others did not understand why, but they all rose and moved aside. With Su Er's next movement, the chairs and desks floated up together, clattering into neat stacks against the walls and leaving