Missing Criteria for the Loremaster Achievement

Loremaster Achievements have some faction-specific sub achievements. As a result, the required tasks/sub-requirements to complete each achievement must be done on characters of the corresponding faction. Example: An Alliance character will see Westfall/Duskwood for Loremaster of Eastern Kingdoms, a Horde character will see Silverpine forrest. If an Alliance completed the sub achievement it will still be shown as grey for the horde side, if the horde quests were not completed yet. When logged in as Alliance and Westfall is complete it will be shown as marked. If logged in as horde the subachievement will be shown as grey.

Try these helpful resources:

• For details on every quest, achievement, item, and skill in the game, including location maps, trainers, and helpful instructions from other players, search WoWHead.
• For help identifying your individual characters' unfinished questlines, try Icy Veins' Completed Quests Tracker, which links to quest items and locations