- Infused Amethyst
- Binds when picked up
- Spell Damage +6 and Stamina +6
- "Matches a Red or Blue Socket."
Infused Amethyst is an epic jewel that fits a red or blue socket.
Source
Infused Amethyst is obtained as a quest reward for completing the quest Nightbane. One does this by summoning and killing Nightbane, the final boss in Karazhan.