Miranda saw Xiwen's speechless expression and burst out laughing.
"Just kidding. I was only practicing the Vanishing Spell. It's on this year's Wizarding Levels Examination syllabus," she said.
At the mention of the Vanishing Spell, Xiwen suddenly thought of something and asked, "If your Vanishing Spell hit me, would my whole body disappear?"
Miranda looked at him as though he were an idiot. "If the Vanishing Spell could do that, dark wizards would have put it into practice long ago. But have you ever seen a wizard fight with a Vanishing Spell?"
"You need to remember Gamp's Fundamental Law of Transfiguration. Magic cannot be created or destroyed out of thin air, so the Vanishing Spell cannot affect wizards or magical creatures!" Miranda said.
"That makes sense." Xiwen nodded, then suddenly asked, "But it can work on Muggles, right?"
"How could you even think that?" Miranda looked at him in surprise. "There are so many ways to deal with non-magical creatures. Why would you insist on using Transformation, which consumes even more magic? A weakened Stunning Spell could solve the problem, yet you made it so complicated."
Xiwen gave an embarrassed laugh. "I just wanted to understand how it worked..."
Miranda curled her lip and asked irritably, "So what did you come to see me for? Don't tell me you only came to interrupt my spell practice?"
"Of course not." Xiwen shook his head and turned serious. "You asked me before about our family's French branch. There's news now."
Miranda grew serious as well. "How is it? Has anything happened?"
Xiwen said, "All we know right now is that the French branch's financial movements have been somewhat unusual lately. There's no other information."
Miranda nodded. "That's enough. It proves that the Dark Lord Grindelwald is definitely going to make a move