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.
Upgrade increment: 
5 Bronze, 
1 Wood
Required station
Forge upgrade resources
Only an upgrader station uses these marked resources; ordinary stations and initial crafting exclude them. Each marked resource adds its base amount to the stepped quality cost. Review resource-specific success, break and refund outcomes in equipment comparison.
