Maximum heal rate is 2.5x the linear/average heal rate. (It's called "EVE Online" because I based the model on the shield/capacitor recharge system of that game.) Sine (credit: WyrdOh): heal rate is at its highest at 50% of maximum health, with the regen rate looking like a sine curve. Max heal rate is 2.5x the linear/average heal rate.

Bannerlord: Steward: 100 +2 party size for each fief you own: Logistics Expert: Steward: 100: Parties in armies you lead move faster: Prosperous Reign: Steward: 125: Double village growth rate: War Rations: Steward: 125-20% food consumption: Enhanced Mines: Steward: 150 +50% tax income from mines: Swords As Tribute: Steward: 150 +10 party size I want to do a run where every lord has a max party size of like 2000, to create some mega-sized historical-like battles and up the stakes of sieges, armies of like 8k troops forming etc. I can find a few mods that allow you to increase your party size, but I can't seem to find any that do so for the AI.
A good scout will also help with party speed. 3.2 does sound a little low, but you can check out what factors are affecting your party speed in the tooltip. Have 1 civilian horse in your inventory for each soldier in your party, including you. Have 1 cavalry horse in your inventory for each foot soldier in your party.
So in this case if i was using max 1000 I'd get 2/3 x 1000 ( 666 ) and the enemy would get 1/3 x 1000 (333) If the max was set at 600 I'd get 400 and the enemy would get 200 Either way it would reflect the reality that I outnumbered the enemy if I took 50% casualties to win the battle I'd lose 400 ie the percentage of my original army
Related: Mount And Blade II: Bannerlord - How To Increase Party Size Your prisoner count is determined by your party size , being about half of your max party.
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mount and blade 2 bannerlord max party size