When Module 3: Icewind Dale hits Neverwinter servers, players will stop being mere adventurers and become mercenaries by having to choose from either the Ten-Towners or Arcane Brotherhood faction. A new blog post lays out a few details about how that will work.
Once you select a faction to work for, you will be taking on contracts from the leaders: Bowen Brant, leader of Ten-Towners, and Anara the Cerulean, leader of the Arcane Brotherhood. These contracts, which will differ depending on which faction you are in, will send you off to Icewind Pass and Dwarven Valley to collect Black Ice, fight vicious beasts, and more. It is here where you will encounter mercenaries of the rival faction and must fend off attacks while you complete your own mission.
Read more on the Neverwinter community site.