Sure enough, a few minutes later, the little paper box suddenly burst into flames with a whoosh and vanished into thin air in a puff of green smoke. The spot where it had been was now completely filled by a Troll that had appeared out of nowhere...
"Snrrrk, snrrrk..."
The creature had gray skin, a massive body, and a head so ridiculously small it seemed out of proportion. A foul stench wafted from it as it slowly climbed to its feet, muttering like someone snoring. Then it looked around and scratched its head, apparently wondering why it had woken up to an unfamiliar ceiling.
Then it suddenly sniffed the air and turned toward the girls' bathroom. The smell of food!
It let out a delighted growl and lumbered toward the bathroom door, club in hand, ready to grab itself a snack. It had no idea how far that roar, amplified by the Sonorus Charm, had carried...
Now.
Avada pointed his wand at the back of the Troll's head and quietly spoke an incantation.
"Imperio."
Don't get the wrong idea. Avada Kedavra, a law-abiding wizard, would never use an Unforgivable Curse. He'd just been missing his distant relative, Imperio, so he'd quietly said his name.
As the eldest of the Three Unforgivable Curses, he'd obtained the prototype of the Imperius Curse last year. He'd studied mental magic extensively and had even been personally tutored by Voldemort for two months, so of course he'd mastered the Imperius Curse. He still wasn't very proficient, though—at the very least, he couldn't yet cast it nonverbally. But after practicing the spell this time and observing the magic structure of the incantation, he was sure his understanding of the Imperius Curse would improve considerably.
As soon as he quietly spoke the incantation, he felt as though