1) Back to my point about creatures - I honestly can't recall how Elemental did it, but it was done well I think. I believe all of the creatures near your starting location - and even possible expansion locations - we all fairly low level. They came at you, but you could handle it with low tech and low levels. High level creatures should really only either be placed far far away from the starting points, and/or they don't even move until you reach a certain level
2) The Weakness "Cruel" and Talent "Natural Leader" should be mutually exclusive. You're basically getting a free +1 to attack with reduced champion recruitment fee
3) I REALLY wish I was able to view the spellbook from the main menu, before (or during) Sovereign creation.
4) Arcane Monoliths are a bit much - it almost makes Enchanters + Attunement a requirement for a faction/sovereign. If monolith-like expansions could be built by other means (non magic and resources), that might balance it out a little bit. Or maybe they CAN be, and I just haven't figured it out yet?
5) Tangentially related to 4, when making a new Faction, the Enchanters Strength description isn't fully visible - it says, " ... tomes which allow the reader to learn Air, Earth, Fi..." and that's it. It actually took me a few playthroughs to realize Arcane Monoliths are exclusive to Enchanters. Strengths like Legacy of Serrane and Slave Lord have lengthy descriptions which fit in the box. A minor issue
Some really good ideas here, don't be afraid to post them up on a seperate thread so its easier to comment on each idea seperately etc. (and not to derail other said posts
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Derek, Frogboy and Co., there are some good ideas here. Hey you could rename Stardock that! Lots of people would LOVE a name like Derek, Frogboy and Co. (obviously not including me ) Or should that be Frogboy, Derek and Co.?
NOTE: Just in case you can't detect that very faint note of sarcasm, I am not serious. Or am I? No, no, no, Stardock is fine! (though they don't just make Space games and Space-managing applications now )
Then again, Stardock is kinda cool name for an applications and games company. Reach for the stars and all that.
... Fanboy attack? 
All in good spirit though, don't take it too negatively 
Sincerely
~ Kongdej