Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Hollowheart Helm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Hollowheart Helm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Similar Items
The 10 items nearest to Hollowheart Helm (item level 44) in item level among Armor > Plate, Head slot, from item level 37 to 50.
Blizzard numbers items as they are created, so the named items next to ID 128074 (128069 to 128079) were usually added in the same batch as Hollowheart Helm: the same quest line, zone, vendor or reward set.