A hex was a dark spell, the effects of which caused moderate suffering to the victim. As an intermediate type of dark magic, hexes were slightly worse than jinxes, but not as dark as curses.

 Hexes can be protected against the use of hex deflection. Salvio hexia was a protective spell used for this purpose. Hexes can also be countered by using a Hex-Breaker or Hex Zapper, both of which negate their effects. Some of the hexes are (bat bogey hex: Caused the target's bogeys to turn into large, black bats and fly out their nose to attack them.) A broom trying to throw its rider out. And thousands of other types of hexes...