Used in:

• Arantir's Sleeves Of Discovery ()
• Elemental Sleeves Of The Prime ()
• Silken Augmenter's Sleeves ()
• Vorshar's Sleeves Of The Blight ()

Dropped by (***no spawn table):

• Bastion of Thunder
• Eindride Icestorm (40%)
• Drunder, the Fortress of Zek
• The Diaku Armorer (5%)