Diagram: Greater Glyph of Yrden is a crafting diagram in The Witcher 3: Wild Hunt that is needed to craft Greater Glyph of Yrden.
It can be purchased from the following merchants:
- All armorers in Skellige and Toussaint
- All alchemists except Jonna in Rannvaig and the Freya Priestess on Hindarsfjall
- Merchant at the sawmill northeast of Rannvaig
- Scoia'tael merchant in the forest south of Novigrad
- Runewright at Upper Mill
- Ducal Camerlengo in Beauclair
