Great Swordsmen

 are generic units available in the Medieval Era, after researching the Heavy Infantry technology.

Class and Specialty

 * Close-combat unit.
 * Close-combat unit.

Unique replacements
These units are replacing this unit if the corresponding culture has chosen.
 * Varangian Guards (Byzantines)

Upgrades from
Upgrade cost and needs  access on empire.
 * Swordsmen (generic)
 * Gaesati (Celts)
 * Praetorian Guards (Romans)