• Arcanum of Toxic Warding
• Item Level 174Disenchants into:
  Not disenchantable
• Binds when picked up
• Requires Level 80
• Requires Knights of the Ebon Blade - Honored
• Use: Permanently adds 25 nature resist and 30 stamina to a head slot item. Does not stack with other enchantments for the selected equipment slot.
• Sell Price: 37 50
• Vendor 150

Source

This item is a reputation reward; you must be honored with Knights of the Ebon Blade to buy it from Duchess Mynx <Ebon Blade Quartermaster> for 150.

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB