 Reached Feudal Age @ @ New buildings and technology are now available. @ Mill, Blacksmith, Archery Range, Stable, Watch Tower.  @ To reach the next age, construct a Mill and a Blacksmith, and spend 20 Wood, 20 Gold, and 20 Stone. Reached Castle Age @ @ New buildings and technology are now available. @ @ Siege Workshop, Castle, University, Guard Tower @ @ To reach the next age, build a castle and spend 25 wood, 25 gold and 25 stone. Reached Imperial Age @ @ New technologies are now available. @ @ Blast Furnace, Plate Armour, Architecture, Bracers. @ @ Mangonels, and Keeps can now be constructed.