These will drop randomly from human / humanoids. Specially high level ones. If you want to increase your chances of getting these I would suggest trying the following places: Sarnur, Annuminas, Goblin Town.
Posts Tagged ‘one shot’
8
May
One Shot Recipes
Get into dense mob areas such as Sarnur, Goblin Town to look for this recipes. But remember that loot tables were updated after Book 13 so Tailor, Jeweller recipes that were most common before are now diuluted with all the other profession recipes.
Remember recipes drop from humanoid mobs (orcs, goblins, dourhands, angmarim, etc)