Read from the World of Warcraft client build files.
How Headguard of Radiant Glory Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Headguard of Radiant Glory suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Headguard of Radiant Glory is part of the transmog set Battleplate of Radiant Glory (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Headguard of Radiant Glory Fits
Other Items Named Headguard of Radiant Glory
2 other items in the current build are also called Headguard of Radiant Glory. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 78787 (78782 to 78792) were usually added in the same batch as Headguard of Radiant Glory: the same quest line, zone, vendor or reward set.