'''Tomes of Secrets''' ({{wl|[http://diablonut.incgamers.com/item/tome-of-secrets db]}}) are required to train your both your [[BarbarianBlacksmith]] and [[Jeweler]] [[Artisans]] in the highest level of crafting. They are also required for crafting items that are crafting level 9 (Glorious) and 10 (Exalted).