The in-game information in this article is kept purely for historical purposes and may not need to remain under any other categories.
Mastery: Frostburn (Passive)
All your spells deal 16% increased damage against Frozen targets. Increases the damage done by your Water Elemental by 16%.
Mastery: Frostburn is a passive mage ability learned at level 80 for those with the Frost specialization. It increases the damage done against frozen targets, as well as the damage done by a mage's water elemental.