First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Prime Harbinger's Greathelm Game Data
Appearance
In the Appearances collection, Prime Harbinger's Greathelm is listed as Vendor. Appearance ID: 41431.
Read from the World of Warcraft client build files.
How Prime Harbinger's Greathelm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Prime Harbinger's Greathelm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Prime Harbinger's Greathelm is part of the transmog set Authority of Maldraxxus (Warrior, Paladin and Death Knight only), which the Appearances collection lists in 2 versions. The other 8 pieces:
Items Numbered Next to Prime Harbinger's Greathelm
Blizzard numbers items as they are created, so the named items next to ID 182213 (182208 to 182218) were usually added in the same batch as Prime Harbinger's Greathelm: the same quest line, zone, vendor or reward set.