There are in fact four merchants within the Nilfgaardian Army Group 'Center' Camp. Three outside the main encampment:
- Merchant in the light brown chaperon: He sells a few alchemical ingredients
- Merchant in the red cap: He sells a few crafting diagrams and components
- Merchant in the red chaperon: He sells a few crafting diagrams and components
and the quartermaster, Tavar Eggebracht, inside the camp.