Khác biệt giữa bản sửa đổi của “Muggles' Guide to Harry Potter/Magic/Protego”

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'''''Protego''''' is a spell used to guard its caster from incoming spells. It doesn't work against the unforgivable curses, especially [[..Muggles' Guide to Harry Potter/Magic/Avada Kedavra|the killing curse]]. It is coined from the Latin verb 'protego', 'to protect' (lit. to cover over).

In [[../..Muggles' Guide to Harry Potter/Books/Order of the Phoenix|''Harry Potter and the Order of the Phoenix'']], we see [[../..Muggles' Guide to Harry Potter/Characters/Harry Potter|Harry]] using this spell against [[../..Muggles' Guide to Harry Potter/Characters/Severus Snape|Professor Snape]] in his [[..Muggles' Guide to Harry Potter/Magic/Occlumency/]] lesson. Here, the effect is to reverse the spell being cast; Harry sees some of Snape's memories instead of the expected outcome, Snape seeing some of Harry's thoughts.

In the [[../..Muggles' Guide to Harry Potter/Major Events/Battle at the Department of Mysteries|Battle at the Ministry]] late in that same book, Harry uses this spell twice. Both times, the spell being cast at him is simply interrupted.

In [[../..Muggles' Guide to Harry Potter/Books/Deathly Hallows|''Harry Potter and the Deathly Hallows'']], [[../..Muggles' Guide to Harry Potter/Characters/Hermione Granger|Hermione]] casts this spell once, and Harry casts it once. In these cases, the result of the spell is a "bubble" that is impermeable to spells and physical traversal (the bubble forming knocks Hermione back a few steps), though it is still possible to see and hear through it.

Also in the seventh book, several of the characters append this with other words. [[../..Muggles' Guide to Harry Potter/Characters/Filius Flitwick|Professor Flitwick]] uses "Protego Horriblus" when he is preparing a shield for the school, and Hermione uses "Protego Totalus" when setting defensive spells around the campsite. The specific effects of the added words are not certain.

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