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, Rockbound 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, Rockbound Helm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Rockbound 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.
Rockbound Helm uses icon file 1122334, which 21 other items also use. The 8 closest by item ID:
Skoldiir Helm ID 134182 · Armor - Plate · item level 50Coralplate Helmet ID 134226 · Armor - Plate · item level 50Arcane Defender's Helm ID 134270 · Armor - Plate · item level 50Ley-Scarred Helm ID 134314 · Armor - Plate · item level 50Portalguard Helm ID 134358 · Armor - Plate · item level 50Wardbreaker Helm ID 136728 · Armor - Plate · item level 50Nightsfall Helmet ID 139058 · Armor - Plate · item level 50Greystone Helm ID 139096 · Armor - Plate · item level 50Blizzard numbers items as they are created, so the named items next to ID 134138 (134132 to 134146) were usually added in the same batch as Rockbound Helm: the same quest line, zone, vendor or reward set.
Calcified Wormscale ID 134132 · Quest · item level 40 "The scales on the back of the Highmountain worms are notoriously tough."
Jewel of Brilliance ID 134133 · Consumable · item level 45
Rockbound Chestguard ID 134135 · Armor - Plate · item level 50
Rockbound Gauntlets ID 134136 · Armor - Plate · item level 50
Rockbound Girdle ID 134137 · Armor - Plate · item level 50
Rockbound Legguards ID 134139 · Armor - Plate · item level 50
Rockbound Pauldrons ID 134140 · Armor - Plate · item level 50
Rockbound Sabatons ID 134141 · Armor - Plate · item level 50
Rockbound Wristguard ID 134142 · Armor - Plate · item level 50
Brulstone Idol ID 134146 · Armor · item level 50The raw ItemSparse values for item 134138 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB