Upgrade 1: Bronze upgrade
- Utility: Bronze upgrade
- Requirement: 15 woods + 25 Bronze ingots
- Destruction Panel (F7): 22 Woods + 8 Bronze ingots
Upgrade 2: Stone upgrade
Upgrade 3: Volcanic upgrade
- Utility: Stone upgrade
- Requirement: 50 Volcanites
- Destruction Panel (F7): 17 Volcanites + 17 Woods