"Mr. Bagman..." Adele Lefevre, Beauxbatons' Champion, asked, "You mean... not only can we attack each other, but we can also use Dark Magic against each other?"
"As for that, you need to abide by the general dueling conventions..." Ludo Bagman scratched his head. "Anyway, Dark Magic can be used..."
"But I don't particularly recommend it... I remember there was some kind of guideline... Anyway, if you aren't capable enough, don't use Dark Magic... Something like that, probably..."
At Ludo Bagman's words, the three Durmstrang Champions pressed their lips together, displeasure showing on their faces.
Fleur Delacour, Beauxbatons' Champion, raised an eyebrow. "Mr. Bagman, if that is your only explanation, it is hardly convincing."
"Can Unforgivable Curses be used too?" Harry suddenly thought of a possibility. "Those count as Dark Magic too, don't they?"
"Of course not!" Ludo Bagman hurriedly waved his hands. "As for that... I'm not entirely sure either. It seems that only some Dark Magic can be used..."
Fitzgerald Smith, Ilvermorny's Champion, pressed, "Which Dark Magic can be used?"
"Uh... that..." Sweat beaded on Ludo Bagman's forehead. "Let me think..."
Seeing how flustered Ludo Bagman was, Draco nodded. "This is what he should be like. Once he leaves his area of expertise, he turns into this."
He turned to look at the Durmstrang Champions nearby. "Look at those Durmstrang lot. They look downright pleased with themselves. I'd guess they know about this."
"Mr. Bagman, you could discuss it with Durmstrang..." Wizet said. "Ask them to provide a specific list."
"Normally, protective measures against Dark Magic mainly focus on weakening its effects, so Durmstrang should know quite a lot about it."
"As for the general dueling conventions, they generally mean that if you use Dark Magic to leave an opponent unable to resist, you must provide a Memory Charm