Halloween 1993 fell on a Sunday, and as such the whole castle was abuzz with festivities since there were no classes. Students roamed the halls sharing sweets, and enjoyed the large pumpkins Hagrid had grown for the holiday, while paper bats conjured by a group of Hufflepuffs flittered about the halls. Remus, however, was in his office, catching up on essay review for his 7th year N.E.W.T. students, when he heard a knock at the door.