āThey can both cast [Expelliarmus] equally, using each otherās wands interchangeably, because Harryās magic and Dracoās magic are compatible.ā Not true??? Thereās a chapter of HP 7 where Rowling explains wand lore. The reason Harry and Draco can use each otherās wands is because they disarmed each other. The allegiances of the wands changed, it has nothing to do with their magic being ācompatible.ā
— May 26, 2026 05:19PM
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