Arcanum of Renewal (Horde)
From WoWWiki
- Arcanum of Renewal
- Binds when picked up
- Requires Level 70
- Item Level 70
- Requires Thrallmar - Revered
- Use: Permanently adds 19 spell power and 7 mana per 5 sec. to a head slot item. Does not stack with other enchantments for the selected equipment slot.
- 1 Charges
- Sell 25
An Arcanum is an Augment: Enchantment for a player's helm slot.
Source
Sold for 100 by 
Quartermaster Urgronn in Hellfire Peninsula when you reach revered with Thrallmar.
