Life Fades

Apprentice/touch of twilight
Level/School: 1/necromancy
Range: touch
Target: creature touched
Duration: instantaneous
Saving Throw: Fortitude partial
Spell Resistance: yes

A wave of darkness washes over the subject, sapping his energy into the Plane of Shadow.

Your touch deals 1d6 points of nonlethal damage per caster level (maximum 5d6) and causes the subject to become fatiguedfor 1 round per caster level. This mystery does not stack with itself, so a creature fatigued by one casting does not become exhausted by a second casting.