Vengeful Eyes are a miscellaneous crafting material in Diablo III, they can be combined with other demonic body parts to create a ring of incredible power.
It has an Item Level of 63 and requires a character level of 1. They be can stacked up to a maximum of 100.
"The baleful gaze of this viscous orb is quite unsettling. It waits for... something."
Acquisition[]
The Vengeful Eye drops from Uber Siegebreaker or Zoltun Kulle after using the Infernal Machine at level 60-69. It is account bound.