Legend
...
Location
Dangers
Countless Demonic creatures
Reward
Brotherhood Outfits and addons, achievement Skull and Bones 
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(settings)
(settings)
Outfit
Complete missions 1 to 4 of the Dreamer's Challenge Quest and then use the Document of the Follower.
Addon 1: The Scythe
Complete mission 5 of the Dreamer's Challenge Quest and then use the Document of the Officer.
Addon 2: The Cloak
Complete mission 6 of the Dreamer's Challenge Quest and then use the Document of the Leader.
Attaining the Documents
In order to attain these documents you must complete missions 1 to 7 of the Dreamer's Challenge Quest, alternatively you can buy them from someone who has completed the missions.