Round window

Round window

Craftable at the workbench.

Required materials

3× WoodWhere to get: Tree→

Tiers (wood → stone → iron)

1. Wood220 HP

3× Wood

2. Stone440 HP

+3× Stone

3. Metal880 HP

+3× Metal

Build the piece normally (wood tier). Then, with the HAMMER equipped, hold/right-click it to upgrade, each upgrade costs that tier's material and greatly raises its health (×2 at stone, ×4 at iron).