Used in:

• Planestriders Greaves ()
• Scaled Avatar's Leggings ()
• Stanos' Wicked Leggings ()

Dropped by:

• Bastion of Thunder
• Oreen Wavecrasher (5%)
• Drunder, the Fortress of Zek
• Anival the Blade (3.6%)
• Shadow Master Vinta (5%)
• Hinvat Deathbringer (4%)