Used in:

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

Dropped by (***no spawn table):

• Bastion of Thunder
• Thorolf Sutherland (40%)
• Drunder, the Fortress of Zek
• The Diaku Supplier (12%)