Touch of Fatigue

(Player's Handbook v.3.5, p. 294)

Level: Sorcerer 0, Wizard 0, Adept 0, Duskblade 0, Blighter 0, Sha'ir 0, Death Master 0, Sloth 1,
Components: V, S, M,
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 1 round/level
Saving Throw: Fortitude negates
Spell Resistance: Yes

You channel negative energy through your touch, fatiguing the target.
You must succeed on a touch attack to strike a target.
The subject is immediately fatigued for the spell's duration.
This spell has no effect on a creature that is already fatigued.
Unlike with normal fatigue, the effect ends as soon as the spell's duration expires.
Material Component: A drop of sweat.