The World of Warcraft site has been updated with full details of what you can expect from patch 4.3, Hour of Twilight. The headline features are a number of new dungeons and a new raid that revolve around battling the dragon, Deathwing. First, players must travel back in time 10,000 years "in a brazen attempt to retrieve the Dragon Soul" and then escort it to the Wyrmrest Temple, so that the assault on Deathwing can commence...