Alastor Moody had once been an outstanding Auror.
Anyone could sense the battle-tested air of caution about him.
He carried a flask with him at all times, just so he would not drink water that had left his sight.
"You're already upper-year students. I shouldn't still be teaching you baby lessons."
"Today, I'm going to show you what real Dark Magic looks like."
Professor Moody took a sip from his flask and continued,
"The earlier you learn about this, the better it will be for you. I even believe this is the most important of all subjects."
"Remember what you learn today well. It might save your life at a critical moment someday."
"I think you should know what the three Unforgivable Curses are."
Matthew's nose twitched slightly, and the corners of his mouth rose at once.
He had caught a familiar scent—the medicinal smell of Polyjuice Potion.
After being strengthened by the bloodline secret art, his physical fitness had improved enormously.
The improvement in his constitution had made his sense of smell, hearing, and sight far sharper.
Now, not even a trained hound possessed a keener sense of smell than Matthew.
And Polyjuice Potion was a potion Matthew knew extremely well. Even with several meters between himself and Professor Moody, it did not hinder him in the slightest from identifying the smell coming from the flask.
Matthew tried to guess who Professor Moody was disguised as.
The first people who came to mind were Voldemort's Death Eaters.
It was not unfair to pin the blame on them. After all, Voldemort had every motive to do this.
Once the Eight-Team Tournament began, Hogwarts would be filled with visitors from elsewhere. It would also be the best time to fish in troubled waters.
Voldemort, who had been watching Harry, could not