Professor Kazimeriz watched as the students filled out their paperwork and each spoke a bit about their experience with hexing and defense. It seemed that the game worked-- they were slowly learning to increase their levels of awareness.

Excellent.

"As your responses seem to indicate, this exercise has taught you more about the value of never, ever letting your guard down. To do so invites danger, and the wisest defensive maneuver is to never be placed in a position where you are taken by surprise." He casually pointed his wand back toward his chalkboard, which erased itself. "Now, as you have personally experienced, the terms 'hex' and 'jinx' can be used interchangeably, for they both reference spells with mild to moderate negative effect. Let us now turn out attention to curses." He grinned at the children in the room with a creepy, almost hungry glint in his eye... the look of a madman with a dastardly plan. "Who would like to explain what exactly a curse is and how it differs from a hex or a jinx?"