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Fire Storm

School evocation [fire]; Level cleric/oracle 8, druid 7, shaman 8


Casting Time 1 standard action
Components V, S


Range medium (100 ft. + 10 ft./level)
Area two 10-ft. cubes per level (S)
Duration instantaneous
Saving Throw Reflex half; Spell Resistance yes

By the way...
This spell does not start fires on a ship unless the ship rolls a natural 1 on its saving throw against fire damage.

Source Skull & Shackles Player's Guide