Wall

The Wall helps protect your Estate from enemy attacks. Upgrade to improve your  Wall Defense .

Info
The info sub-menu will show you the building Bonuses. The first number is the one based on the building level, and the second one (in green) is based on other bonuses (such as Research, Talent points, etc.)  "More Info" will show you an expanded view of the below table, along with the Power  generated by each level.

In addition to the standard sub-menus, you will see the following building specific sub-menus:

Wall Defense
When your Estate has been attacked and lost the battle, it will burn for thirty minutes. If your Wall Defense reaches zero, your Estate will be automatically relocated.

You can extinguish the fires for 50 gold pieces.

You can manually repair the Wall for 100 Wall Defense every 30 minutes.