I played 5.5, choosing Haven and setting the difficulty to maximum. I didn't quite understand the purpose of the level 7 creature block for humans (the AI buys whatever it wants). Is it just to make the game harder and more interesting? I only collected the set for the 6th month, which is needed to unlock the Angel, and by then, I already had over 300 knights. I defeated the Mage first, saw the Grail, and realized that all the AI opponents had Grails, and humans with money are basically guaranteed to win. I also didn't understand the approval system at all; it's a cool feature, but not really for Heroes. I sent everyone packing because war is inevitable. The map is visually great, and I really like large maps; there aren't many of them, though. If all the features mentioned above are only in 5.5, then I apologize.