Lorewalkers

• "I am known as a Lorewalker - a kind of historian for my people. As such, knowledge is my armor, and I carry a quill in place of a sword. Much of Pandaria's past is shrouded in mystery, even to us. A Lorewalker's sworn duty is to rediscover our history - to rend that shroud, piece by piece. This demands a tireless search for ancient clues, and the wisdom to interpret them."
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The Lorewalkers are a pandaren faction bent on exploring the world, finding stories, artifacts, and relics to fill out their libraries.

The organization known as the Lorewalkers was founded in the years following the pandaren revolution. A pandaren by the name of Song wandered across the land, spreading the stories and teachings of the late rebel leader Kang and encouring everyone he met to find emotional balance within themselves. Other soon began to follow in Song's footsteps, becoming not only skilled storytellers, but also conflict mediators, able to use allegories and parables to resolve tense situations.

Lorevaults are secret places for the Lorewalkers to store the dangerous artifacts. The Lorewalkers used their magic to conjure pandaren stories to protect the vaults. The stories often send a message to those who encountered them. In order to solve the puzzles and break the spells, those who are trapped within must understand the moral of the stories.

During his journey to craft a potion that could cleanse someone of the Old Gods' corruption, Wrathion made acquaintance with the Lorewalkers. In his journal, he mentioned that the sheer volume of knowledge to be found within their scrolls was marvelous to behold. Lorewalker Cho notably taught him much about the legends of the Black Empire.

• On the Wandering Isle

Caretakers of the mysteries of Pandaria, these brave souls roam the continent, hoping to learn from their history.

All reputation gains with the Lorewalkers are from interacting with the various lore objects around Pandaria and earning the achievements for finding them all.

• The Humble Grummle

• You won't use this faction to get best-in-slot gear, but in finding and returning books, you'll act out all of the new stories. If you are interested in the lore, this is for you. If you just care about the gear, you can skip them and it's fine. This is, however, an easy exalted reputation to get, if you look up the locations of all the books. Some people have reported getting this done in an hour or so. And while there is no weapons or armor, the mount you get at exalted for 500g is pretty cheap!
• Early MoP previews referred to them as Loremasters.

Eremitas