5million
640000 stone
You simply click on the walls a click upgrade
You cant
level 1, level5, level6 ,and level 10 they change a lot. in the other levels they might slightly change
5k i think
Behind Stone Walls was created in 1932.
The Inca built stone walls for various purposes, primarily for defensive fortifications to protect their cities and agricultural terraces from enemies. The walls also served as retaining structures to prevent erosion on steep mountain slopes and to create level surfaces for farming. Additionally, the precision engineering of the stone walls reflected the Inca's reverence for craftsmanship and their desire to showcase their power and wealth.
the stone castle has a mote and stone walls
stone
stone walls around a castle are called curtain walls. they are built for defence.
You should always keep your walls at a high level. Train mostly Archer Towers, but also train rollinglogs and trebuchets because they can destroy ballistae. Also, it helps to keep a several abatises in there to scare people from raiding you with cavalry.
brick and stone.