In a castle that worships tradition, Summer Kenway treats magic like engineering and enemies like bad project managers. The "Queen of Slytherin" is infamous for drifting in late, winning anyway, and refusing to waste motion-or mercy. She casts without a wand, slices spells mid-flight, and calls Voldemort inefficient to his face (well, nearly). Dumbledore's secrets irritate her; Malfoy's speeches bore her; Luna Lovegood makes perfect sense. But efficiency has a cost. As the war leans into Hogwarts and an old relic chooses Summer for reasons that feel uncomfortably personal, her elegant detachment starts to crack. Helping Potter is messy. Challenging a tyrant is messier. And timing-her favorite weapon-won't save anyone if she misreads the stakes. Set during Half-Blood Prince, this is a sharp, rationalist spin on canon: science folded into spellcraft, competence over pedigree, alliances that form because they work. Less prophecy, more planning. Less posturing, more precision. And a Slytherin who'd rather optimize the world than watch it burn. All rights to the Harry Potter world belong to J.K. Rowling-no profit is being made.
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