Wrath of the Lich King: Leatherworking Recipes From Dalaran Vendor
Leatherworkers may purchase new Grand Master Recipes with two types of currency: Heavy Borean Leather or Artic Fur. These function like Emblems or Badges, except this currency comes from killing beasts throughout Northrend. The recipe prices cost either 3 Heavy Borean Leather or 2 Artic fur. The recipes have different pre-requirements ranging through Leatherworking level 400-440.
These are sold by Braeg Stoutbeard (Fur & Leather Trader) at the Mages Commerce Exchange district—coordinates [37,29]—in Dalaran. Take a look at all the 46 recipes below.