While the five major craftworlds mentioned above have the advantage of print media publication, making them recognisable throughout the gaming community, whereas your craftworld probably will not receive such a benefit. This means that your craftworld is going to need some distinguishing characteristics if you want people to recognize it when they read about it in your article. Furthermore, unless your craftworld descends from one of the 'big five' craftworlds, it will need something to set it apart, so that others do not mistake it for one of those forces.