Enchant Weapon - Giant Slayer

Permanently enchant a melee weapon to have a chance of reducing movement speed and doing additional damage against giants. Requires a level 60 or higher item.

Tools
Runed Titanium Rod

Source
The Formula: Enchant Weapon - Giant Slayer can be purchased from, located in Simply Enchanting in Dalaran. She sells the formula for 10 Dream Shard.