Vault

Create 8 Goods, 7 Labor (300 gp); Time 16 days
Size 4—8 squares
Upgrades From Reliquary, Storage; Upgrades To Secret Room
This is a secure room designed to keep out intruders. The access to this space is controlled by an iron door with a good lock. If you upgrade this room to a Secret Room, the door retains its material and lock and also becomes a secret door.