Enchanting

Runewords (for weapons) and Glyphwords (for armor) are powerful new enchantments in Hearts of Stone Expansion. They give large bonuses to weapons and armor, but destroys the slots on the armor/weapon.

If you want them, Geralt must help wise Ofieri monk / scholar known as Dulla kh´Amanni a verry skilled runewright from Across the seas. You can find him and his apprentice near Upper Mill north of Novigrad.