“The Unbreakable Vow is too useful to certain wealthy Houses to be outlawed entirely—even though to bind a man’s will through all his days is indeed a dread and terrible act, more fearsome than many lesser rituals that wizards shun. [...] The one who makes the Vow must be someone who could have chosen to do what the Vow demands of them, and they sacrifice that capacity for choice. And the third wizard, the binder, permanently sacrifices a small portion of their own magic, to sustain the Vow forever.
reads to me more like a sort of permanent, irresistible Imperius. I can see it could be meant the other way, though.
That’s true in canon, yes, but this
reads to me more like a sort of permanent, irresistible Imperius. I can see it could be meant the other way, though.