But none of these facts mattered, because Hermione’s vast knowledge of wands did not apply to the elder wand. It possessed some level of sentience; it followed the ebbs and flows of power, searching for a master that would use its full potential. This had never happened, even with some of the greatest, most powerful wizards in history wielding the elder wand. When Hermione reached out to take the wand from Dumbledore’s hand, the wand, with all of the instinct of a flame searching for paper, chose her.