D&Dtools1

The warded creature gains resistance to blows, cuts, stabs, and slashes.
The subject gains damage reduction 15/-.
The spell prevents a total of 10 points of damage per caster level (maximum 150 points).
While protected by the spell, the creature also has vulnerability to fire and takes half again as much (+50%) damage as normal from the effect, regardless of whether a saving throw is allowed, or if the save is a success or failure.
The duration increases to 10 minutes per level when in a frostfell environment.
Material Component: A pinch of sleet.
Coldfire Component: Five ounces of coldfire.