Vox Populi remake of Kobazco's Valm, led by Walhart. With permission from and in collaboration with the Fire Emblem Civilization Modders group (Discord link)
UA: The Sword or the Knee
No
Unhappiness from War Weariness. 
Puppet yield penalties reduced by 25%. +25% yields from vassals and city-states.
UU: Dark Knight (Cuirassier)
Available at Chemistry
+6
CS, +2 RCS
Slow Burn (Gain a cumulative +5% CS each turn it starts in enemy territory, up to a maximum of +30%. Resets when starting turn outside of enemy territory.)
UB: Valm Harbor (Harbor)
+5
Production
+1 Production from sea tiles
+25% production of all military units
Naval units trained in the city gain an additional 25 XP
UA: The Sword or the Knee
No
Unhappiness from War Weariness. Puppet yield penalties reduced by 25%. +25% yields from vassals and city-states.UU: Dark Knight (Cuirassier)
Available at Chemistry
+6
CS, +2 RCSSlow Burn (Gain a cumulative +5% CS each turn it starts in enemy territory, up to a maximum of +30%. Resets when starting turn outside of enemy territory.)
UB: Valm Harbor (Harbor)
+5
Production+1
Production from sea tiles+25% production of all military units
Naval units trained in the city gain an additional 25 XP