Blizzard revealed some of the Outland Tempest Keep Lore in the World of Warcraft: Burning Crusade. Want to find out where the Draenei in Azuremist Isle came from on their dimensional ship? Or why Tempest Keep in Outland looks like a sci-fi scenario with energy-stream tubes? How Prince Kael-Thas – main boss of the instance – got ahold of such technology? Find out this and more answers.
Recently Blizzard announced cross-faction classes: Horde Paladins and Alliance Shamans. Some of this backstory of Tempest Keep explains the reasoning lorewise behind this new game-mechanic in the Burning Crusade.