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Mind Fog


School enchantment (compulsion) [mind-affecting]; Level bard 5, sorcerer/wizard 5, witch 5

CASTING

Casting Time 1 standard action
Components V, S

EFFECT

Range medium (100 ft. + 10 ft./level)
Effect fog spreads in 20-ft. radius, 20 ft. high
Duration 30 minutes and 2d6 rounds; see text
Saving Throw Will negates; Spell Resistance yes

By the way...
The effects created by this spell do not move with a ship.

Source Skull & Shackles Player's Guide