"Patronus Charm?" Draco blinked. "This magic can be used like that?"
Although he had already mastered the Patronus Charm, he did not know much about this magic, and for now he had not found any relevant books at home.
Cedric, Draco, and Harry all wore different expressions. There was more confusion on Draco's face, a little curiosity in Cedric's eyes, and Harry's expression was full of anticipation.
The confusion on Draco's face was actually what Vizet needed more.
He hoped that the Magical Theory he shared, as well as the results of his magical research, could be understood by more people.
Whether it was submitting articles to Hogwarts Voice or taking part in all kinds of discussions and expressing his views in them, they were all important ways for him to achieve this goal.
"We can start with some phenomena..." Vizet said. "Last school year is a very good example..."
"At the start of last school year, when we boarded the train to Hogwarts, something happened. Dementors searched the train, which then triggered a commotion."
He looked at Draco and asked, "Draco, when the Dementors entered the train carriages and began searching each carriage, what did you feel?"
"Back then?" Draco frowned, trying hard to recall how he had felt at the time. "It felt like winter arrived all at once..."
"There was bone-chilling cold everywhere, and my body stiffened up too. And in my head... it was all bad thoughts."
He still had a deep impression of the Dementors searching the train carriages.
That summer vacation had not gone well for him. He had originally thought he could have a good time traveling in North America, but unexpectedly, his father had been imprisoned because of an accident. At the time, he had imagined many "worst-case scenarios."
When the Dementors