- Jagged Blue Crystal
- Unique
- Use: Create a Cache of the Legion Key by combining a Jagged Blue Crystal and Jagged Red Crystal.
Source
This item drops from Gatewatcher Gyro-Kill in the Mechanar in Tempest Keep.
Notes
You need this item in combination with the 
[Jagged Red Crystal] dropped by Gatewatcher Iron-Hand to open the Cache of the Legion, a chest next to the elevator in the Mechanar, in which you will find rare items.
Patch changes
Patch 2.0.1 (2006-12-05): Added.