WoW Transmog — Browse All Transmog Sets
Browse all 3,100+ World of Warcraft transmog appearance sets. Filter by expansion, armor type (Cloth, Leather, Mail, Plate, Cosmetic), and PvP sets. Track your wardrobe completion across all expansions.
Browse transmog sets from raids, dungeons, PvP, and quests across all expansions. Filter by armor type (plate, mail, leather, cloth) and source. Track which appearances you own and which you still need via Battle.net sync.
Vestment of Second Sight
Leather set. Warlords of Draenor. Most likely the closest thing to Illidan's belt flap/loin cloth we're ever going to get. I look forward to trying to farm this 1-2 expansions from ...
Vestment of Second Sight is obtained from Cache of Nightborne Treasures awarded through Emissary of War and Timewalking quest events.
Complete Emissary of War quest
Complete the weekly Emissary of War quest marked as Heroic difficulty to receive a 
Cache of Nightborne Treasures.
Open the cache
Open the Cache of Nightborne Treasures to obtain Vestment of Second Sight and other gear rewards.
Tips
Cache quality is determined when the quest is obtained, not when completed. Mythic raid kills lower the base cache quality by one difficulty tier.