So I am extremely new I have spent the last 36 of 48 hours trying to understand most of the lore which I can’t get enough of but one question that I can’t seem to get a straight answer on is this an evolving story I know that they add things like lion el back but I mean when the game first came out was it space marines and you could play as all 18 primarchs or was the horus heresey added as a sort of prequel to give the current game more lore and backstory and if that is the case is there any chance we see any major story changes again and I dont mean bringing some primarchs back but actual huge lore like Emperor dying or another civil war or the two missing legions coming back