Read from the World of Warcraft client build files.
How Dreadful Gladiator's Scaled Helm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Dreadful Gladiator's Scaled 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 Dreadful Gladiator's Scaled Helm (item level 39) in item level among Armor > Plate, Head slot, from item level 37 to 43.
Items Numbered Next to Dreadful Gladiator's Scaled Helm
Blizzard numbers items as they are created, so the named items next to ID 84420 (84415 to 84425) were usually added in the same batch as Dreadful Gladiator's Scaled Helm: the same quest line, zone, vendor or reward set.