This item is acquired in-game. See its sources below.
An Uncommon Leather Chest, item level 50, requires level 40, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Netherfiend Chestpiece is listed as World Drop. Appearance ID: 33956. 1 other item wears the same appearance:
Read from the World of Warcraft client build files.
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Netherfiend Chestpiece suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Netherfiend Chestpiece is part of the transmog set Netherfiend Battlegear (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Netherfiend Armbands
Netherfiend Treads
Netherfiend Trousers
Netherfiend Grips
Netherfiend Headgear
Netherfiend Mantle
Netherfiend BeltFiendish ShoulderguardsNetherfiend GlovesNetherfiend WristguardsNetherfiend BootsNetherfiend BreechesNetherfiend WaistbandNetherfiend TunicNetherfiend EpauletsNetherfiend HelmBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Netherfiend Chestpiece uses icon file 1546401, which 25 other items also use. The 8 closest by item ID:
Lunarblight Chestpiece ID 146864 · Armor - Leather · item level 50Ferocious Combatant's Leather Tunic ID 146033 · Armor - Leather · item level 50Ferocious Combatant's Leather Tunic ID 146032 · Armor - Leather · item level 50Ferocious Combatant's Ironskin Tunic ID 145983 · Armor - Leather · item level 50Ferocious Combatant's Ironskin Tunic ID 145982 · Armor - Leather · item level 50Ferocious Combatant's Dragonhide Tunic ID 145925 · Armor - Leather · item level 50Ferocious Combatant's Dragonhide Tunic ID 145924 · Armor - Leather · item level 50Ferocious Combatant's Felskin Tunic ID 145909 · Armor - Leather · item level 50Blizzard numbers items as they are created, so the named items next to ID 146773 (146768 to 146778) were usually added in the same batch as Netherfiend Chestpiece: the same quest line, zone, vendor or reward set.
Netherfiend Armbands ID 146768 · Armor - Leather · item level 50Netherfiend Treads ID 146769 · Armor - Leather · item level 50Netherfiend Trousers ID 146770 · Armor - Leather · item level 50Netherfiend Grips ID 146771 · Armor - Leather · item level 50Netherfiend Headgear ID 146772 · Armor - Leather · item level 50Netherfiend Mantle ID 146774 · Armor - Leather · item level 50Netherfiend Belt ID 146775 · Armor - Leather · item level 50
Manastalker Collar ID 146776 · Armor · item level 50
Ered'ruin Girdle ID 146777 · Armor - Mail · item level 50
Ered'ruin Bracers ID 146778 · Armor - Mail · item level 50The raw ItemSparse values for item 146773 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB