Consumptive Field, Greater(Spell Compendium, p. 51)
Necromancy [Death, Evil]
Level: Cleric 7,
Components: V, S,
Casting Time: 1 standard action
Range: 30 ft.
Area: 30-ft.-radius emanation centered on you
Duration: 1 round/level
Saving Throw: Will negates
Spell Resistance: Yes
This spell functions like consumptive field, except that the field affects all creatures in the area with 9 hit points or fewer. Such creatures that fail their saving throws die, and creatures that fall to 9 hit points or lower in the area after the spell is cast are likewise subject to its effect.