The game's collection data lists Jade Dust Leggings as sold by a vendor NPC in Timeless Isle. The vendor stands at 42.7, 55.7 on the Timeless Isle 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 (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Jade Dust Leggings Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Jade Dust Leggings suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Jade Dust Leggings is part of the transmog set Vestments of the Eternal Dynasty (Priest, Mage and Warlock only). The other 16 pieces:
2 other items in the current build are also called Jade Dust Leggings. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 85978 (85972 to 85983) were usually added in the same batch as Jade Dust Leggings: the same quest line, zone, vendor or reward set.