"This is where I keep it safe for them all," Harry explained quietly. "Lord Kelvin has meticulously catalogued everything, so that we know who to return it to when the time comes. All items in this room are accounted for, and to remove even a single Sickle without my express permission would trigger the firing of an Immobility Curse and an alarm to me, personally ... because I’d like to look the thief in the eyes before I killed him where he stood."