Merlin doesn't mind mercurial; he'd much rather deal with a warm and playful Armani than have to think about the other boy's feelings. Without missing a beat, he turns to lead the way back into the hall and toward the shelves, his wand still flickering and providing a soft glow in the dim space.

"Usually," he confirms unapologetically, "Never seen a wall lose its temper or anything, have you?"