How do you build it?
Unlock it, gather the listed materials, select it in the Build menu and complete the required construction work.
Building
An inverted triangular wall built on a foundation for keeping out intruders. Made from metal, it is extremely durable.

Unlock it, gather the listed materials, select it in the Build menu and complete the required construction work.
An inverted triangular wall built on a foundation for keeping out intruders. Made from metal, it is extremely durable.