The game's collection data lists Bracers of the Midnight Comet as sold by a vendor NPC in Stormshield.
Vendor
Zone
Map
Waypoint
Other items it sells
NPC #93914
Stormshield
-
-
169
Vendor NPC, zone and position come from the client's collection source tables (CollectableSourceInfo and CollectableSourceVendorSparse); coordinates are the in-game map readout.
Build history
First seen in build 5.5.4.69585 (Mists of Pandaria).
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Bracers of the Midnight Comet Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Bracers of the Midnight Comet suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Bracers of the Midnight Comet is part of the transmog set Nine-Tail Battlegear (Rogue only). The other 16 pieces:
4 other items in the current build are also called Bracers of the Midnight Comet. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Bracers of the Midnight Comet
Blizzard numbers items as they are created, so the named items next to ID 96540 (96535 to 96545) were usually added in the same batch as Bracers of the Midnight Comet: the same quest line, zone, vendor or reward set.