Magic‎ > ‎Spells (Paizo)‎ > ‎P‎ > ‎

Prismatic Wall


School abjuration; Level sorcerer/wizard 8; Subdomain isolation 8

CASTING

Casting Time 1 standard action
Components V, S

EFFECT

Range close (25 ft. + 5 ft./2 levels)
Effect wall 4 ft./level wide, 2 ft./level high
Duration 10 min./level (D)
Saving Throw see text; Spell Resistance see text

By the way...
This spell does not start fires on a ship unless the ship passes through the spell effect and rolls a natural 1 on its saving throw against fire damage. A prismatic wall moves with a ship if it is anchored to the ship. Otherwise, it does not move with a ship.

Source Skull & Shackles Player's Guide