Icy Prison, Mass

School: evocation [cold]

Level: Arcanist 9, Wizard 9, Sorcerer 9

Casting Time: standard action

Components: V, S

Range: medium (100 feet + 10 feet/level)

Target: creature/level (1) no two of which can be more than 30 feet apart

Duration: 1 minute/level (see text)

Saving Throw: Reflex partial

Spell Resistance: yes

Source: Ultimate Magic