First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Spirebreaker Harness Game Data
Appearance
In the Appearances collection, Spirebreaker Harness is listed as Boss Drop. Appearance IDs: 33498, 33482, 33490, 33563. 2 other items wear the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Spirebreaker Harness Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Spirebreaker Harness suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 10 items nearest to Spirebreaker Harness (item level 50) in item level among Armor > Leather, Chest slot, from item level 38 to 60.
Feralbark Raiment has the highest item level here (60). The lowest listed price among them is Misthide Chestguard at 26 silver in the US Auction House.
Spirebreaker Harness is part of the transmog set Xuen's Battlegear (Monk only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 147027 (147022 to 147032) were usually added in the same batch as Spirebreaker Harness: the same quest line, zone, vendor or reward set.