He watched the Muggle woman writhe and howl before him as though it were a show. Beside him, Antonin had Imperiused her husband for amusement; Karkaroff had to concentrate to keep the Cruciatus Curse strong over Antonin's laughter.
Karkaroff hated Muggles. He hated their clothes and their cars and their skyscrapers and their atomic bombs and the filthy dilution of wizarding blood that was increasing inexorably each generation. But most of all, he hated the way they screamed – and the way that afterwards, when the memories rang through his anxious mind, they sounded terrifyingly like the screams of real people.