I know I am late to this age, but did this pan out this age:

So basically Go Undead Paladin for warring KDs, with 10-15 Undeads. That's 36% fewer military losses. Haven't played utopia for a very long time and have no idea which buildings are present, but with hospitals present, you are looking at cutting your army losses by 40-50%? That is if hospitals are still present :-)