Using this gem will increase your natural resistance to Cold damage by 99.9% for 15 minutes.Special Properties: Dropped on DeathCasts the following spells: Prodigal Cold ProtectionActivation Requirements: This rare has a restriction timer of 3 minutes. You will not be able to use another rare item with a timer within 3 minutes of using this one.Spellcraft: 325Mana: 10,000