Power Word Kill

SchoolEnchantment (Compulsion) [Death, Mind-Affecting]
LevelSor/Wiz 9, War 9
Casting Time1 standard action
RangeClose (25 ft. + 5 ft./2 levels)
TargetsOne living creature with 100 hp or less
Saving ThrowNone
Spell ResistanceYes

You utter a single word of power that instantly kills one creature of your choice, whether the creature can hear the word or not. Any creature that currently has 101 or more hit points is unaffected by power word kill.