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• Civ Unique Ability: Aksumite Legacy. Cities earn extra Faith from resources, boosted even further when international trade routes originate from resource-rich cities. Ethiopia can purchase Archaeology Museums and Archaeologists with Faith.
  
• Leader Unique Ability: Council of Ministers. Menelik II gets extra Culture and Science based on the Faith output of cities founded on Hills. His units also get extra Combat Strength when fighting on Hills.
  
• Unique Unit: The Oromo Cavalry has improved Combat Strength and Sight, and suffers no movement penalty for moving on Hills.
  
• Unique Tile Improvement: The Rock-Hewn Church can only be built on Hills or Volcanic Soil. It provides Faith with extra Faith from Mountains and Hills. It can only be pillaged, not destroyed, by natural disasters.

• An optional, specialized game mode with exclusive rule changes:
  
• Adds four Secret Societies to the game.
  
• Each Secret Society offers players a specialized Governor who applies their bonuses across the entire civilization.
  
• Secret Societies may offer players new Resources, passive bonuses, unique buildings, units, or projects to further the Society’s ends.
  
• Use your Secret Society membership to boost favorability and Alliances with other leaders.

• Build the Diplomatic Quarter, a District that can only be built once per civilization, focusing on foreign relations.
  
• Enhance the Diplomatic Quarter by building the Consulate and Chancery buildings.