If the Patronus that came back was Future-Harry’s Patronus, then what happened to Present-Harry’s Patronus? When Harry’s Patronus was countered with Quirell’s Killing Curse in Chapter 54, Harry definitely felt it being countered.
It’s plausible that having one’s Patronus dispelled by one’s future self is not as noticeable as having one’s Patronus countered by a killing curse.
Alternatively, an even simpler option is that it was still Present-Harry’s patronus, just given updated instructions by Future-Harry.
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If the Patronus that came back was Future-Harry’s Patronus, then what happened to Present-Harry’s Patronus? When Harry’s Patronus was countered with Quirell’s Killing Curse in Chapter 54, Harry definitely felt it being countered.
It’s plausible that having one’s Patronus dispelled by one’s future self is not as noticeable as having one’s Patronus countered by a killing curse.
Alternatively, an even simpler option is that it was still Present-Harry’s patronus, just given updated instructions by Future-Harry.