Cloud of the Achaierai

(Book of Vile Darkness, DnD 3.0)

Conjuration (Creation) [Evil]

Level: ; Cleric 6; Demonologist 4
Components: V, S,
Casting Time: 1 action
Range: Personal
Area: 10-ft.-radius spread
Duration: 10 minutes/level
Saving Throw: Fortitude partial
Spell Resistance: Yes

The caster conjures a choking, toxic cloud of inky blackness.
Those other than the caster within the cloud take 2d6 points of damage.
They must also succeed at a Fortitude save or be subject to a confusion effect for the duration of the spell.
Disease Component: Soul rot.