Ash Storm

School conjuration (creation) [fire

Casting Time: 1 standard action
Components: V, S, M/DF (a pinch of ash)
Range: long (400 ft. + 40 ft./level)
Area: cylinder (40-ft. radius, 20 ft. high)
Duration: 1 round/level
Saving Throw: none; Spell resistance no

Driving ash blocks all sight (even darkvision) within the spell’s area of effect, and falling cinders cause the ground in the area to become difficult terrain.