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).
(2) Set: Increases the damage done by your Shield Slam ability by 5%.
(4) Set: Increases the duration of your Shield Wall ability by 50%.
Earthen Shoulderguards is one of 5 pieces of Earthen Battleplate, alongside Earthen Legguards, Earthen Faceguard and Earthen Handguards and others. Bonuses activate at 2 pieces and 4 pieces equipped.
Read from the World of Warcraft client build files.
How Earthen Shoulderguards Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Earthen Shoulderguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Earthen Shoulderguards is part of the transmog set Earthen Battleplate (Warrior only). The other 16 pieces:
2 other items in the current build are also called Earthen Shoulderguards. 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 60331 (60326 to 60336) were usually added in the same batch as Earthen Shoulderguards: the same quest line, zone, vendor or reward set.