Howl

 causes loss a percent of the target's SP and reduces an amount of the targets INT. The target's (fixed) cast is increased by a an amount.

Abilities
The following abilities inflict :
 * Howling of Mandragora

Cure
can be cured through the following methods:
 * Sacrament reduce the increase of cast to half.
 * Lauda Ramus removes this ailment.
 * Target VIT and LUK (0,2% to both).
 * Inspiration and Noseige Rune Stone add temporary immunity.
 * Royal Guard's King's Grace can remove the effect.

Prevention
There is currently no known way to prevent.