Eldritch Knowledge is a unique Cobalt Jewel. This item can be acquired through the following upgrade paths or vendor recipes:
5% increased Chaos Damage per 10 Intelligence from Allocated Passives in Radius
"True Thaumaturgy can only be learned by the brilliant or the mad."- Shavronne of Umbra
A simple tool to price check your items in path of exile by "copy and paste". It is that simple!
Price in Leagues