Diagram: Greater Chernobog runestone

Diagram: Greater Chernobog runestone is a crafting diagram in that is needed to craft greater Chernobog 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 
ru:Чертеж: Большой рунный камень Чернобог
Category:The Witcher 3 crafting diagrams