Enchant Weapon - Mongoose

Permanently enchant a Melee Weapon to occasionally increase Agility by 120 and attack speed slightly. Requires a level 35 or higher item.

Tools
Runed Eternium Rod

Source
Formula: Enchant Weapon - Mongoose is an enchanting formula dropped by Moroes in Karazhan.

Patches and Hotfixes
http://www.youtube.com/watch?v=wrJ7KMPT29A