Blizzard has just released a new video teaser for Ulduar. Ulduar is the new raid dungeon being released with the upcoming patch.

Here's the original post on World of Warcraft.com followed by the video:

We've just released a video teaser for Ulduar, the new raid dungeon being introduced in the upcoming content patch for World of Warcraft: Wrath of the Lich King. Check out the video now to get a taste of some of the environments and denizens that wait within this ancient Titan structure.