The game's collection data lists Twilight Scale Shoulders as sold by 2 vendor NPCs in Terokkar Forest. The first vendor stands at 49.8, 46.6 on the Terokkar Forest 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 3.80.2.69874 (Wrath of the Lich King).
In Wrath of the Lich King it is item level 272, requires level 80 and sells to vendors for 12g 42s 84c. In MoP Classic it is item level 271, requires level 80 and sells to vendors for 12g 42s 84c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Twilight Scale Shoulders Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Twilight Scale Shoulders suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
1 other item in the current build is also called Twilight Scale Shoulders. 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 54566 (54561 to 54573) were usually added in the same batch as Twilight Scale Shoulders: the same quest line, zone, vendor or reward set.