Wail of the Banshee

Caster Level: Wizard/Sorcerer 9
Innate Level: 9
School: Necromancy
Components: V,S
Range: Short
Save: Fortitude
Spell Resistance: Yes
Area of Effect: Colossal, 1 Creature/Level
Duration: Instant
Additional Counterspells: None
Description: All creatures within the area of effect, up to the casters level, make a fortitude save against death. Creatures that pass their save are rendered Deafened for a short time (and hence cannot be affected by a further Wail).

Note: Deafened enemies are subject to 20% spell failure and are unable to make listen checks.