Firstly, I would make a few weapons and armor. (allready doing that)
Secondly, change the quality of some items (like exchanging stats between Orchish and Steel armors... I mean, the orchish one does't even looks heavy! ) (allready doing this too

)
Adding a small fort/lodge near the imperial city with it's own small faction you can join...with quests.

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Other than that (but literary impossible) - change how the weapon and armor work. It's currently too simplistic for my tastes. All blades are slashing weapons, you can't thrust at all!
Armors have a general protection rating insted of having different damage reduction for different attack types (slashing, piercing, blunt)