Reference
Exactly what Koreans can train, build and research, by age.
Defensive and Naval civilization
•Stone miners work +20% faster
•Ranged Soldiers and Infantry cost -50% wood
•Archer armor and tower upgrades free (Bombard Tower requires Chemistry)
•Warships cost -20% wood
Team bonusVillagers +3 line of sight
53 units · 29 buildings · 74 technologies. Each building carries what it trains and researches; upgrades sit under what they upgrade from.