Stone
Stone Stairs
The Stone Stairs has 500 HP, requiring 300 Stone to upgrade from Wood. Stone is the most common defensive tier and what most raiders plan around.
500
HP (Stone)
300
Upgrade Cost (Stone)
6
Daily Upkeep (Stone)
Upgrade Cost to Stone
Resources to upgrade from Wood.
Stone×300
Daily Upkeep (Stone)
Resources consumed per day by the Tool Cupboard.
Stone×6