So it was at the end of a long, long, long day that she found herself trotting down the now familiar corridors of her home. Her destination clear, her goal so near it was then that Twilight came upon a room so dear. With a wave of her horn, the enchantment was dispelled, revealing a doorway in the middle of a wall in an otherwise unremarkable hallway. It was not that there was anything truly dangerous or secretive in here. It was just... well, it was hers. Everypony needed a little space for themselves, especially when you were a Princess and just about every other aspect of your life was dedicated to other ponies one way or another.