1. You’re late for class before the moving staircases moved AGAIN.
Is there a time schedule for when these things rotate? Are they even safe? Imagine you’re running late for Potions, and you’re on the staircase. Without warning, it swings to the left, and you’re suddenly on the opposite side of the castle then where you need to be. And if you figured out how to deal with the stairs leading different places occasionally, there were also stairs with VANISHING STEPS, so you might take some stair to the face when your foot falls through seemingly solid ground.