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The Unbreakable Vow is the fifteenth chapter of Harry Potter and the Half-Blood Prince.


Snow was swirling against the icy windows once more; Christmas was approaching fast. Hagrid had already singlehandedly delivered the usual twelve Christmas trees for the Great Hall; garlands of holly and tinsel had been twisted around the banisters of the stairs; everlasting candles glowed from inside the helmets of suits of armour and great bunches of mistletoe had been hung at intervals along the corridors. Large groups of girls tended to converge underneath the mistletoe bunches every time Harry went past, which caused blockages in the corridors; fortunately, however, Harry’s frequent night-time wanderings had given him an unusually good knowledge of the castle’s secret passageways, so that he was able, without too much difficulty, to navigate mistletoe-free routes between classes.


Slughorn's Party

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See also

Harry Potter and the Half-Blood Prince
The Secret Riddle Felix Felicis The Unbreakable Vow A Very Frosty Christmas A Sluggish Memory