Welcome to Harry Potter Theory. When you think of a Powerful Witch in Harry Potter I'm sure many names come to mind- Bellatrix, Hermione, Molly Weasley, McGonagall- but these characters aren't the subject of today's video. Today, we're going to be discussing a witch MUCH more powerful than them, and arguably more powerful than the likes of Dumbledore, Voldemort and Grindelwald- a character that's only really mentioned in passing, but also happens to have quite a rich history that pertains to the story.-

I am of course talking about...

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