Twilight Haze

School illusion (shadow) [darkness, shadow]; Level sorcerer/wizard 2, witch 2

Casting Time 1 standard action

Components V, S

Range close (25 ft. + 5 ft./2 levels)

Effect fog spreads in 20-ft. radius

Duration 1 round/level

Saving Throw none; Spell Resistance no

You create a gray haze that obscures sight (as fog cloud) and causes the illumination level within it to dim by one step (as per darkness). Since this spell produces an illusion rather than a true physical fog, it is unaffected by wind and can be cast underwater.