The game's collection data lists Ymirjar Lord's Breastplate as sold by 3 vendor NPCs in Orgrimmar and Stormwind City. The first vendor stands at 60.9, 60.0 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 3.80.2.69874 (Wrath of the Lich King).
Read from the World of Warcraft client build files.
How Ymirjar Lord's Breastplate Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Ymirjar Lord's Breastplate suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Ymirjar Lord's Breastplate is part of the transmog set Ymirjar Lord's Battlegear (Warrior only). The other 16 pieces:
1 other item in the current build is also called Ymirjar Lord's Breastplate. 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 50850 (50845 to 50855) were usually added in the same batch as Ymirjar Lord's Breastplate: the same quest line, zone, vendor or reward set.