Blizzard's
official World of Warcraft community website has been updated with
a preview of new outdoor dragon raid encounters being added to the game. Included in the preview is information about each dragon, various screenshots, and samples of some of the items you can obtain after their defeat. A snip about the dragon called Taerar:
Taerar was perhaps the most affected of Ysera's rogue lieutenants. His interaction with the dark force within the Emerald Dream shattered Taerar's sanity as well as his corporeal form. The dragon now exists as a specter with the ability to split into multiple entities, each of which possesses destructive magical powers. Taerar is a cunning and relentless foe who is intent on turning the madness of his existence into reality for the inhabitants of Azeroth.
World of Warcraft Four Dragons Preview 
Linear Mode
