More witches and wizards in lime-green robes walked in and out of the doors they passed; a foul-smelling yellow gas wafted into the passageway as they passed one door, and every now and then they heard distant wailing.
The Underworld also features four other waterways: Acheron, the river of woe; Cocytus, river of wailing; Lethe, river of oblivion; and Phlegethon, river of fire, a great source of natural light.
All dark objects on the earth that lay towards the sun were overspread by a purple haze, against which groups of wailing gnats shone out, rising upwards and dancing about like sparks of fire.
She opened her mouth wide and an unearthly sound filled the room, a long, wailing shriek that made the hair on Harry's head stand on end— “Riddikulus! ” shouted Seamus.
From the other end of the glade the remaining Telmarines set up a wailing. " Ugh! What's happened to him? Do you mean to murder us? We won't go that way."
Sometimes, Oriate wondered sadly if she would ever wail again. There was, on Albertville, only one-person left who, if he died, would want a wailing woman.