Level: Sorcerer 7, Wizard 7
Components: V, S
Casting Time: 1 standard action
Range: 60 ft.
Area: Cone-shaped burst
Duration: Instantaneous
Saving Throw: None
Spell Resistance: Yes
Waves of negative energy cause all living creatures in the spell’s area to become exhausted. This spell has no effect on a creature that is already exhausted.
Source: Player’s Handbook (version 3.5), page 301.