Fiona gulped as she listened to Professor Fuller-Thompson reveal what the hovering buckets above the students' heads meant exactly. She quickly grabbed her wand and clearly said, "Impervius!" as she tapped her wand on herself, silently praying that the charm would work.

The ten-second countdown had elapsed and Fiona looked up and saw the water fall out of the bucket but much to her relief, she didn't feel any water on her.