• Plants Centaurs burn this, observing the fumes and flames to refine the results of their stargazing (OP27). Read More
• Magical objects A time-traveling device the use of which was strictly regulated by the Ministry (PA21). Inside the hourglass-shaped device there is a single One-Hour Reversal Charm (Pm). All of them were thought to be destroyed during the Battle of the Department of Mysteries (OP35, HBP11, BP), but in… Read More