The game's collection data lists Brewfather Robe as sold by 2 vendor NPCs in Orgrimmar and Ironforge. The first vendor stands at 57.1, 89.9 on the Orgrimmar map.
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.
How Brewfather Robe Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Brewfather Robe suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Brewfather Robe is part of the transmog set Breezebinder's Vestments (Priest, Mage and Warlock only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 93103 (93098 to 93108) were usually added in the same batch as Brewfather Robe: the same quest line, zone, vendor or reward set.