Nightfall is a new stand alone campaign - there is no need to buy the 2 previous campaigns to play
As for Factions, this new world will be connected to Tyria and Cantha and players (who already own GW prophecies and/or Factions) will be able to bring their high level characters from other campaigns to this new part of the GW world
Elona.
Customizable Heroes (party NPCs) that level up with the player
follow player instructions in combat, and use armor, weapons, and skills at the player's discretion.
A new game type, Hero vs. Hero Battles will allow a single player to participate in PvP with Hero NPCs.
2 new professions: The Dervish, a scythe-wielding holy warrior, and the Paragon, chosen by the gods as guardian angels of the Elonian people.
4 new guild halls.
300 new skills.
250 Quests, 55 explorable areas, 20 new Story Missions exclusive to choices made throughout the game, and 3 new Challenge Missions.
