She wanders the corridors of the castle, just like he does, and if she spots anyone putting a toe out of line, Filch is there within minutes.

• 和费尔奇一样，它也成天在城堡中的各个走道里徘徊着，只要它发现有学生弄出了一丁点的乱子，费尔奇就会迅速赶到事发现场。