Craft itYou need×4Hartalis Slab FragmentMake it at (any of these)Ancient WorkbenchAdvanced WorkshopProduction Assembly Line IINeeds a Pal with Handiwork. Best:Solenne (Lv 8), Selyne (Lv 7), Wistella (Lv 6)Work: 100,000
Use it from your Inventory. Medicine can also go in a Medicine Rack so sick base Pals take it themselves.