Magic‎ > ‎Spells (Paizo)‎ > ‎W‎ > ‎

    Wall of Fire

    School evocation [fire]; Level druid 5, magus 4, sorcerer/wizard 4, summoner 3; Domain fire 4


    Casting Time 1 standard action
    Components V, S, M/DF (a piece of phosphor)


    Range medium (100 ft. + 10 ft./level)
    Effect opaque sheet of flame up to 20 ft. long/level or a ring of fire with a radius of up to 5 ft./two levels; either form 20 ft. high
    Duration concentration + 1 round/level
    Saving Throw none; Spell Resistance yes

    By the way...
    A wall of fire cast on the deck of a ship moves with the ship and can start on-board fires. Otherwise, the wall does not move with the ship, and does not start on-board fires.

    Source Skull & Shackles Player's Guide