Serfs
Gathering Serfs! Meta Vet + Build
Pretty self-explanatory, they always need bottom veterancy line. Put on the open-world farming doctrines (that you always hate getting) for them. Don't invest anything else into them, mastery, docs, exp, etc., you'd be wasting resources.
Doctrines
2/5
Health & Labor Doctrine V
Increases health by 440 points. Increases labor by 0.07 points per living soldier in the unit.
Food & Medicine Doctrine V
Reduces food consumption by 60%. Decreases total unit permanent losses from open world battles by 40%. The unit can heal injured soldiers in any fief and in the open world via their unit profile screen
Skill Tree