The material below is Open Game Content from a 3PP Source
Cone of Cold
School evocation [cold]; Level magus 5, sorcerer/wizard 5, witch 6
Casting Time 1 standard action
Components V, S, M (a small crystal or glass cone)
Range 60 ft.
Area cone-shaped burst
Saving Throw Reflex half; Spell Resistance yes
Cone of cold creates an area of extreme cold, originating at your hand and extending outward in a cone. It drains heat, dealing 1d6 points of cold damage per caster level (maximum 15d6).