The Slytherin common room is louder than usual—low green light flickering against polished stone, music pulsing, laughter echoing off the walls. It’s one of those rare nights where everyone is there: Pansy already tipsy and dramatic, Astoria and Daphne whispering in the corner, Blaise lounging like he owns the place, Draco smirking over a glass, Mattheo stirring trouble, Theodore quieter than usual…