- Heroic Key to the Focusing Iris
- Binds when picked up
- Unique
- Use: Opens the Normal and Heroic difficulty versions of The Focusing Iris within The Eye of Eternity.
Source
This item is a quest reward from 
[80] The Heroic Key to the Focusing Iris.
The Heroic Key to the Focusing Iris allows players to summon Malygos in the Eye of Eternity in both the 10-man and 25-man versions.