The Concept of Stone
Building technology
15 red tech points
The Concept of Stone is a Building technology in column 2 of the tech tree. Researching it costs 15 red tech points. It needs The Concept of Wood first. It unlocks Piece of stone and Stonemason's Workbench.
Branch and cost
Branch
Column
Red points
Green points
Blue points
Total points
Unlocks
Reputation
In the tree
Research cost
15Red points
