Improved Masonry

Improved Masonry
Increases the armor and hit points of Human buildings.
Researched at : Lumber Mill
 Hotkey : M
Cost : 125 50  Research Time:  60
Hit Point Bonus : 10%
Armor Bonus : 1
Advanced Masonry
Cost : 150 75  Research Time:  75
Requires : Keep
Hit Point Bonus : 20%
Armor Bonus : 2
Imbued Masonry
Cost : 175 100  Research Time:  90
Requires : Castle
Hit Point Bonus : 30%
Armor Bonus : 3