Ysgith rune
Rune. Sword upgrade
Description
Category	Rare
Type	Sword upgrade
Effects	+7% +8%
Source	can be crafted, purchased or looted
Price to buy	281 / 351 / 401 / 501
Price to sell	21
Weight	0.2

Can be purchased from Haggard in Vergen. Although classified as a crafting component by the game, there are no known diagrams which utilize this item.

To use a rune, Geralt simply drags it over to one of the rune slots on a suitable sword in the inventory panel.