Diagram: Greater Devana runestone is a crafting diagram in The Witcher 3: Wild Hunt that is needed to craft greater Devana runestones.
It can be purchased from the following merchants:
- All blacksmiths in Skellige and Toussaint, except the one at Ardaiso Quarry
- All alchemists except Jonna in Rannvaig and the Freya Priestess on Hindarsfjall
- Merchant at the Isolated Hut on Hindarsfjall
- Scoia'tael merchant in the forest south of Novigrad
- Runewright at Upper Mill
- Ducal Camerlengo in Beauclair
