"I can't control the weather," I mouthed in her direction, though it was a pretty blatant lie. I could, just not well enough to guarantee that the thunderstorm wouldn't hit and destroy everything on its path. I hadn't really practiced the spells themselves; I could make it rain in the Room of Requirements, or bring up a wall of fog, but doing that in a small room and doing that for a whole sky were incredibly different things.
Umbrus Shade, The Incredibly Annoyed Ravenclaw
Book&Literature · OmnipresenceBeing
detail