This item is acquired in-game. See its sources below.
An Uncommon Plate Head, 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, Greystone Helm is listed as World Drop. Appearance ID: 27117. 10 other items wear the same appearance:
Read from the World of Warcraft client build files.
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Greystone Helm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Greystone Helm is part of the transmog set Leyline Defender's Sunplate Armor (Warrior, Paladin and Death Knight only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Greystone Helm uses icon file 1122334, which 21 other items also use. The 6 closest by item ID:
Nightsfall Helmet ID 139058 · Armor - Plate · item level 50Helm of the Disillusioned Guard ID 140003 · Armor - Plate · item level 50Impenetrable Faceplate ID 140005 · Armor - Plate · item level 50Wardbreaker Helm ID 136728 · Armor - Plate · item level 50Helm of Phantasmal Scars ID 142126 · Armor - Plate · item level 50Visage of Brutish Iron ID 142304 · Armor - Plate · item level 50Blizzard numbers items as they are created, so the named items next to ID 139096 (139091 to 139101) were usually added in the same batch as Greystone Helm: the same quest line, zone, vendor or reward set.
Night Dreamer Mantle ID 139091 · Armor - Cloth · item level 50
Night Dreamer Bindings ID 139092 · Armor - Cloth · item level 50
Greystone Chestpiece ID 139093 · Armor - Plate · item level 50
Greystone Gauntlets ID 139094 · Armor - Plate · item level 50
Greystone Belt ID 139095 · Armor - Plate · item level 50
Greystone Legplates ID 139097 · Armor - Plate · item level 50
Greystone Pauldrons ID 139098 · Armor - Plate · item level 50
Greystone Boots ID 139099 · Armor - Plate · item level 50
Greystone Wristplates ID 139100 · Armor - Plate · item level 50
An'she's Pendant ID 139101 · Armor · item level 50The raw ItemSparse values for item 139096 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB