The official World of Warcraft: Cataclysm Trailers has been leaked. See the new trailer of the next expansion for World of Warcraft, featuring new zones, races, underwater enviroments and much more.

The worgen are a race of feral wolf-beasts whose very name inspires fear. Theories regarding their history abound, yet the worgen's origins remain steeped in mystery.

Records indicate that the worgen existed for a time in Kalimdor. In fact, more recent evidence suggests that their true origin might have a connection to the night elves and a secretive druidic order from Kalimdor's distant past. Yet until new evidence comes to light, this information remains speculative.

New video of World of Warcraft: Cataclysm has been released.

The videos is showing some flythroughs of a number of zones featured in the expansion.

The video features:

• The Barrens
• Ashenvale
• Darkshore
• Desolace
• Stonetalon
• Mountains
• Gilneas
• Lost Isles
• The old Azeroth zones

It is now official. The next World of Warcraft expansion has now been revealed.

With BlizzCon 2009 gone live, Blizzard has revealed the next expansion called Cataclysm.

It will feature:

* Old dungeons will be heroic

* Cataclysm on Azeroth reveals new lands and affects old favorites

*Five adventure zones for level 78-85

*Underwater enviroment / Gameplay

* Underwater mounts

* Fly everywhere

* Cataclysm has dramatically altered classic world zones

* New Races

MMO-Champion has postet insider details about World of Warcrafts next expansion. 

These details has NOT been officially been confirmed by Blizzard. 

 
Beware: This post contains spoilers!
New Races and Class Combinations:

With lots of rumors going on, whether ‘Cataclysm’ is the next World of Warcraft expansion or not, phishers are taking advantage of the enormous hype that cataclysm has got since Blizzard Entertainment registered a trademark for the word “Cataclysm”.
 

We have digged multiple sources around the net, and found that 2 races for the coming World of Warcraft expansion: Cataclysm, has been leaked.

According to our sources the new races of Cataclysm will be:

• Worgen – Alliance
• Goblin – Horde

See the video of WoW: Cataclysm new races: