Bone Chill

Frostburn (Fr)Supplementals (3.5)
School
Necromancy
Casting Time
1 standard action
Components
V, S, M
Range
Close (25 ft. + 5 ft./2 levels)
Duration
1 round/level
Saving Throw
Fortitude negates
Spell Resistance
No

A ray of burning cold erupts from your fingertips.
Corporeal undead struck by the ray are covered in a layer of ice, rendering the subject immobile as if held.
Each round on its turn, the subject may attempt a new saving throw to break free of the ice.
(This is a full-round action that does not provoke attacks of opportunity).
Material Component: A small piece of bone and a 1-inch cube of ice.