Recruitment

From Heroes of Might and Magic: Olden Era Official Wiki
Skill Subskills
Basic Recruitment
All cities gain +4 growth to Tier 1 units.
Advanced Recruitment
All cities gain +2 growth to Tier 2 units.
Direct Supervision
If the Hero is in the city at the start of a week, growth of all units in that city increase by 50%.
Elite Guards
Tier 1, Tier 2, and Tier 3 friendly unit's attack and defense are increased by 25% of the Hero's attack and defense.
Veterans
Tier 4 units growth in your cities increase by 1.
Expert Recruitment
All cities gain +1 growth to Tier 3 units.
Relocation
Grants a new global map spell. Allows interaction with any controlled city once a day, enabling the transfer of units to or from that city.
Strenuous Training
Friendly creatures’ HP increases by 2.