Triangle Wooden Foundation

• Utility: Foundations required to build structure
• Requirement: 15 woods
• Destruction Panel (F7): 5 woods

Upgrade 1

• Utility: Stone Foundation
• Requirement: 15 stones
• Destruction Panel (F7): 5 woods + 5 stones

Upgrade 2

• Utility: Volcanic Foundation
• Requirement: 15 Volcanites
• Destruction Panel (F7): 5 Volcanites + 5 Woods