Aion's latest press release reveals more info about the Sorcerer class, along with a huge batch of screenshots featuring the different looks and spells of this powerful class:

The Sorcerer is a Daeva who follows the Star of Magic. They are able to freely wield the destructive power if the natural elements: Earth, Wind, Fire, and Water. A sorcerer is a scholar at heart, evident by the books and orbs they normally carry with them. However, these items can be dangerous weapons in their hands as they help to increase a Sorcerer's power.