Implosion

(Player's Handbook v.3.5, page 243, DnD 3.5)

Evocation

Level: ; Cleric 9; Warmage 9; Blighter 9; Death Master 9; , Destruction 9, ; , Abyss 9, ; , Slime 9
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One corporeal creature/round
Duration: Concentration (up to 4 rounds)
Saving Throw: Fortitude negates
Spell Resistance: Yes

You create a destructive resonance in a corporeal creature's body.
For each round you concentrate, you cause one creature to collapse in on itself, killing it.
(This effect, being instantaneous, cannot be dispelled).
You can target a particular creature only once with each casting of the spell.
Implosion has no effect on creatures in gaseous form or on incorporeal creatures.