"Um..." Neville pressed his lips together, a little conflict appearing in his eyes. In the end, his curiosity got the better of him, and he asked tentatively, "What kind of trick?"
"It's simple!" Fred and George replied as though it were only natural. "As long as Filch and his cat don't catch you, it doesn't count as breaking the School Rules!"
Hearing Fred and George say that, Neville opened his mouth and, after much effort, managed to squeeze out a sentence. "That... actually makes a lot of sense!"
Hanna smoothly changed the subject. "I think it's better not to wander around at night. Isn't it nice to stay in a warm dormitory at night?"
She looked at the animated Fred and George and asked curiously, "Fred, George, what did you trade for an airplane?"
"I seem to remember you saying that trading for an airplane wasn't easy. Not only did you have to avoid being noticed, but you also needed Gold Galleons from the Muggle side."
Fred and George raised their hands in unison and pointed at their heads, saying proudly, "Of course, we relied on what's in here!"
"Your heads?" Neville blinked and looked at the "Screaming Flowerpot." "You just said... the 'Screaming Flowerpot' was made using leftover alchemical materials, which means..."
George was like a cat whose tail had been stepped on. Instantly realizing what Neville was about to say, he quickly raised a hand to stop him. "Wait!"
"Neville!" Fred looked utterly heartbroken. "How could you learn bad habits from Luna? You've learned to steal the answer too!"
George nodded in agreement. "Naturally, we have to announce something like this ourselves!"
The two cleared their throats again. "It was through a suit of magical armor! It seems those Muggles in North America are rather interested in that