Does darkness rise? I thought it fell, like "nightfall". Hmm.
In any case, screenshots of Darkness Rising, the in-development expansion pack for Dark Age of Camelot, are available at Stratics.
In "Darkness Rising," an evil uprising threatens the land and the mightiest heroes in the Realms are called into service. For the first time in "Dark Age of Camelot," players will be able to earn the right to be called a Champion of the Realm. Players become Champions by exploring new zones and revisiting altered lands while investigating the mysterious uprising to discover its sinister underpinnings. By performing this service for their Realm, players achieve new levels of advancement and gain the ability to wield class-specific Champion Weapons. "Darkness Rising" also introduces majestic player-controlled horses and other more fantastic steeds which can be ridden into conflict in the war between the Realms.
See the newest Dark Age of Camelot: Darkness Rising screens at Stratics Central.