Craft it
You need
Make it at (any of these)
High-Quality WorkbenchProduction Assembly LineProduction Assembly Line IIAdvanced WorkshopWeapon WorkbenchWeapon Assembly LineWeapon Assembly Line IIAdvanced Weapon Assembly LineAncient Workbench
Needs a Pal with Handiwork. Best:Solenne (Lv 8), Selyne (Lv 7), Wistella (Lv 6)
Work: 30,000 · Unlock in the Technology menu at level 22 for 2 Technology points