2 originally unplayable factions are now payable (in some scenarios ) - Worm Cult (The Undead) and Daedric Realms. The Reachmen are always a starting faction, while the Maormer/Akaviri may later invade 4 New unplayable factions - Clans of The Reach (horde faction), Akaviri Invaders, Maormer Invaders and Dungeon faction. 5 new fully playable factions - Kingdom of Evermore, Kingdom of Sharnhelm, Hold of Haafingar, Kingdom of Cyrodiil, Council of Thalmor (a very short version, likely forgot most of stuff)
See the Guide to the Features of the Mod - READ HERE The First Place in Modding Awards 2016, category Mods/Submods! released the 30th March, second Hotfix released 29th October 2021)) (BETA released December 26th 2020, FINAL version released 3th January 2021, 2.0.1.