At dusk, in the Hogwarts kitchens, the house-elves were bustling back and forth beside the long tables, preparing a lavish dinner for the Hogwarts students.
Suddenly, a harsh, discordant "pop" echoed from a corner of the kitchen, startling the frantically busy house-elves.
A few house-elves were carrying food that almost slipped from their hands and flew through the air.
Chapter 1137