"Dark charms are known as jinxes, hexes and curses. This book does not deal with such spells."
-- Miranda Goshawk, Standard Book of Spells, Grade 1 (Pm)
Another name for curses, hexes and jinxes (Pm).
These are not taught in Charms class, but in Defence Against the Dark Arts as defensive spells. The dark charms are also used for duelling (CS11).