Diagram: Nilfgaardian longsword is a crafting diagram in The Witcher 3: Wild Hunt that is needed to craft Nilfgaardian longsword.
It's a possible spawn at a random diagram location or purchased from the following merchants:
- All blacksmiths in Velen, Novigrad, Oxenfurt and Skellige
- Merchant at Calveit Watchtower
- Merchant at the Isolated Hut on Hindarsfjall
- Merchant by the road west of White Eagle Fort
- Weapons merchant in Nilfgaardian Army Group 'Center' Camp
- Zoltan Chivay during The Battle of Kaer Morhen (dependent)
- Merchant in Stacheier
