Artifact Research Notes

Artifact Research Notes used to increase Artifact Knowledge, which increases the rate at which a player earns Artifact Power, before patch 7.3.0. Work orders could be placed once the character has reached level 110.

Source
This item is obtained by placing a work order for with the following at your Class Hall:


 * in Acherus: The Ebon Hold
 * at the Fel Hammer on Mardum
 * at the Dreamgrove in Val'sharah
 * at Trueshot Lodge in Highmountain
 * at the Hall of the Guardian in Dalaran
 * at the Temple of Five Dawns on the Wandering Isle
 * at the Sanctum of Light in Eastern Plaguelands
 * in Netherlight Temple
 * at the Hall of Shadows in Dalaran
 * at the Heart of Azeroth in the Maelstrom
 * in the Dreadscar Rift
 * in the Skyhold