Resist Cold

Regular
The subject (person, creature, or object) and anything he carries
become immune to the effects of cold and frostbite (but not falling ice,
magical ice spears, etc.).

Duration: 1 minute.
Cost: 2 to cast. 1 to maintain. Cost doubles if subject must resist cold of
-40° or more; cost triples if subject must resist the cold of absolute zero.
Prerequisite: Hazards and Afflictions/Heat.

Item
Staff, wand, or jewelry; only affects the wearer.
Cost to create: 800 energy, a $500 emerald and a $200 black onyx.