From Die2Nite Wiki
|A third wall within the existing walls provides an additional layer of protection against the nocturnal hordes...|
|Sub Category||Wall Upgrade v1|
|Parent building||Inner Wall|
|Action Points cost||65|
|Resource cost||×30 ×5×5|
Yet another wall within the Inner Wall. That makes this wall a wall within a wall within a wall...
- In Season 6: