While most of Crowfall’s playable area will be in temporary PvP campaign worlds, there will be a bastion of permanence in individual player housing zones, or as Crowfall is calling them, Eternal Kingdoms.
ArtCraft posted a lengthy FAQ today concerning how Eternal Kingdoms function. Basically, every player will receive an optional-use personal kingdom. Kingdoms start small in size but can be expanded via resources and then built upon using an interesting parcel system of pre-packaged landmarks that fit together like Tetris pieces. Additionally, groups and guilds can collaborate on a shared kingdom, and successful kingdoms may even bring in commerce and tax revenue for its owner.[Source: Eternal Kingdoms FAQ]