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Freezing Sphere


School evocation [cold]; Level magus 6, sorcerer/wizard 6; Subdomain ice 7; Elemental School water 6

CASTING

Casting Time 1 standard action
Components V, S, F (a small crystal sphere)

EFFECT

Range long (400 ft. + 40 ft./level)
Target, Effect, or Area see text
Duration instantaneous or 1 round/level; see text
Saving Throw Reflex half; see text; Spell Resistance yes

By the way...
This spell can be used to attempt to trap a ship in ice by targeting the water around the ship rather than the ship itself. The ship's speed is reduced to 0 for the duration of the spell unless the pilot of the ship makes a DC 25 sailing check to break free of the ice.

Source Skull & Shackles Player's Guide

DESCRIPTION

Freezing sphere creates a frigid globe of cold energy that streaks from your fingertips to the location you select, where it explodes in a 40-foot-radius burst, dealing 1d6 points of cold damage per caster level (maximum 15d6) to each creature in the area. A creature of the water subtype instead takes 1d8 points of cold damage per caster level (maximum 15d8) and is staggered for 1d4 rounds.

If the freezing sphere strikes a body of water or a liquid that is principally water (not including water-based creatures), it freezes the liquid to a depth of 6 inches in a 40-foot radius. This ice lasts for 1 round per caster level. Creatures that were swimming on the surface of a targeted body of water become trapped in the ice. Attempting to break free is a full-round action. A trapped creature must make a DC 25 Strength check or a DC 25 Escape Artist check to do so.

You can refrain from firing the globe after completing the spell, if you wish. Treat this as a touch spell for which you are holding the charge. You can hold the charge for as long as 1 round per level, at the end of which time the freezing sphere bursts centered on you (and you receive no saving throw to resist its effect). Firing the globe in a later round is a standard action.