I always felt like armies should just be able to have characters attached to them. Want to swap between 2 commanders? Simply have one be commander and the other being attached to the army so you can swap freely. Would also open up new options like deciding whether you bring you family/court with you on campaign or leave them in court. Though even just commanders travel and commanders can be attached to an army they aren't leading would be a huge improvement in my eyes. Means you can still have travel dude, siege dude and combat dude available. But you can't have all 3 available for all armies at all times. But I feel like maybe I'm getting off topic from councilors. I just in general want people to exist on map more and that manifests both in commanders and councilors to the point where design philosophy changes I agree with for one would very easily impact the other.
Well aside stated before, if we are going to attach multiple character to an army why burden the player with pointless swapping? Why not have it so that any traits related to warfare like fording or hill fighting expert or speed just automatically be applied to the entire army. They don't have to stack just have the highest modifier for each type apply to the entire army or commander. Like if you have a trait that gives bonus to fighting in forest +5 and another general that gives trait bonus to fighting in forest +10 jist take the highest modifier and add to commander or army...so you get the benefit of having the skilled experts in your army like officers but you don't have to burder the player with pointless micro swapping and switching commanders.
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