The game's collection data lists Guardian Serpent Shoulderguards as sold by a vendor NPC in Warspear.
Vendor
Zone
Map
Waypoint
Other items it sells
NPC #88569
Warspear
-
-
166
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 Guardian Serpent Shoulderguards Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Guardian Serpent Shoulderguards suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 10 items nearest to Guardian Serpent Shoulderguards (item level 40) in item level among Armor > Cloth, Shoulder slot, from item level 34 to 39.
2 other items in the current build are also called Guardian Serpent Shoulderguards. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Guardian Serpent Shoulderguards
Blizzard numbers items as they are created, so the named items next to ID 87123 (87118 to 87128) were usually added in the same batch as Guardian Serpent Shoulderguards: the same quest line, zone, vendor or reward set.