The Lord of the Rings Online: Mines of Moria is the first retail expansion pack for the MMORPG The Lord of the Rings Online: Shadows of Angmar and was released on November 18, 2008. It was announced on March 14, 2008 at Codemasters Online Connect 2008.
The storyline is set in Moria, an enormous underground complex in north-western Middle-earth. Apart from that, the expansion also adds the region Lórien. The game's level cap has been increased to level 60; and the expansion (also called "Volume II") extends the epic storyline by six more books, and adds two new classes, the Rune-keeper and the Warden. Other new features include environment aware AI, dynamic lighting, and a new weapon enhancement system.
Source: Wikipedia, "The Lord of the Rings Online: Mines of Moria", available under the CC-BY-SA License.