Mechanical Spring

Materials

A mysterious contraption built by the Dvergr. Used to build traps.

Crafting recipe

Produces 1 unit(s). All listed ingredients are required. Upgrade quantities use the reviewed stepped quality rule: multiplier q − 1 below quality 4, then 4 + (q − 4)/2. The result is rounded down. Forge-only resources are listed separately and are not ingredients for ordinary crafting/upgrading.