Reference
Exactly what Jurchens can train, build and research, by age.
Cavalry and Gunpowder civilization
•Meat of hunted and livestock animals doesn't decay
•Mounted Units and Fire Lancers attack +25% faster starting in Feudal Age
•Siege Engineers available in Castle Age
•Siege and Fortification upgrades cost -75% wood and research +100% faster
Team bonusGunpowder Units +2 line of sight
50 units · 28 buildings · 75 technologies. Each building carries what it trains and researches; upgrades sit under what they upgrade from.