As cool as it would be for your fluff to be true, I do have to agree with Erus here.
You could always have them originating from a near-cadia Cardinal world, traveling based on a starship twice the size of a battle barge made to look like one of the grandest cathedrals of the Emperor from that Cardinal world. This ship would prowl the Cadian gate sectors, making sure the population are in check, rooting out psyckers, mutants and heretics, and also be ready to fight any CSM incursions. |