• Arcanum of Frost Warding
• Item Level 70Disenchants into:
  Not disenchantable
• Binds when picked up
• Requires Level 70
• Requires The Keepers of Time - Honored
• Use: Permanently adds 20 Frost resistance to a head slot item. Does not stack with other enchantments for the selected equipment slot.
• 1 Charges
• Vendor 100

Arcanum of Frost Warding is an enchantment for head armor that adds frost resistance.

Source

Sold for 100 by Alurmi in The Caverns of Time when you reach honored with The Keepers of Time.

Patch changes

/ Patch 3.0.2 (14-Oct-2008): Renamed "Arcanum" (was "Glyph") to not confuse with Inscription glyphs. 

External links

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