Whirlwind of Teeth

The caster creates an opaque area of swirling energy in the form of roaring, screeching mouths full of teeth.

Book of Vile Darkness 3.5  
By Monte Cook  

Evocation [Evil]

Level: Bestial 7, Sorcerer/Wizard 7
Components: V, S, M/DF
Casting Time: 1 action
Range: Medium (100 ft. + 10 ft./level)
Area: 5-ft./level radius cylinder 10 ft./level high
Duration: 1 round/level
Saving Throw: Reflex half
Spell Resistance: Yes

Anyone within the area takes 1d8 points of damage for every two caster levels (maximum 10d8) from the magically created biting mouths and tearing teeth. The whirlwind moves as the caster mentally directs (as a free action), with a speed of 40 feet.

Arcane Material Component: A handful of bloody teeth.