Dragon Mage is one of the Sorcerer Passives which is unlocked at level 35. Requires Mage level 20 and masteries unlocked.
Description
10% increased lightning damage per point if you have used a fire skill in the past 4 seconds.
10% increased fire damage per point if you have used a cold skill in the past 4 seconds.
10% increased cold damage per point if you have used a lightning skill in the past 4 seconds.