Artful Dodging Hidden Rogue Transmog Set

The https://www.wowhead.com/outfit=67568/artful-dodging transmog set is a hidden Rogue transmog set which is obtainable via the Class Order Hall. This set consists of 6 pieces:

Three pieces of this transmog can be purchased from a Vendor NPC in the Rogue Order Hall called https://www.wowhead.com/npc=99863.
/way 55.01 40.02
The pieces that https://www.wowhead.com/npc=99863 sells are:

Two pieces of this transmog can be contained in The Vault (Class Order Hall talent) which allows Rogues to select an item from the Uncrowned Vault once they find https://www.wowhead.com/item=139781. This coin can be obtained through either successful Order Hall missions or https://www.wowhead.com/spell=921/pick-pocketing.
These caches can drop:

The last item, https://www.wowhead.com/item=130327 still remains a mystery. As of yet, it is unknown how to obtain these leggings, although a lot of people go for the https://www.wowhead.com/item=16909 which drop off https://www.wowhead.com/npc=11502 in the https://www.wowhead.com/zone=2717, because of their similarities.