Yeah, it really is a tough way to erase the things that Muggles aren't supposed to know from their brains; especially because int he case of Obliviating, it usually erases much more than only the unwanted information; I really don't like the thought of my entire memory being erased, just because I happen to know something I am not supposed to know; but what other options are there than using a memory charm? That is the big question.
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Avipuff/3