Waves of Exhaustion

(Player's Handbook v.3.5, page 301, DnD 3.5)

Necromancy

Level: ; Sorcerer/Wizard 7; Warmage 7; Blighter 8; Sha'ir 7; Death Master 7; Dread Necromancer 6; , Hades 8, ; , Sloth 8
Components: V, S
Casting Time: 1 standard action
Range: 60 ft.
Area: Cone-shaped burst
Duration: Instantaneous
Saving Throw: No
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.