World of Warcraft: Wrath of the Lich King Lore Update

The official World of Warcraft website has been updated with new lore content detailing the Nexus War.
The blue Dragon Aspect, Malygos, was charged ages ago by the titans as the guardian of magic. More than ten millennia ago, he watched in horror as Deathwing all but wiped out the blue flight. Maddened by grief, Malygos withdrew to his lair and paid little heed to the rest of the world, emerging only when it finally seemed possible to avenge Deathwing's terrible crime.

Only in recent times did Malygos fully return to his senses. Upon reviving, he quickly assessed the state of magical affairs in Azeroth and reached the grim conclusion that magic was running amok throughout the world. He blamed this dangerous development on the mortal races and their reckless pursuit of magical power.

Determined to forestall a catastrophe, Malygos decreed that the world's unbridled magic must be reined in by any means necessary. And so the great Aspect turned to the Arcanomicon, a map of the world's ley lines. Gifted to Malygos ages ago by the titan Norgannon, the Arcanomicon has been continuously updated and revised by the blue dragons over the long years of Malygos's seclusion.