Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Heartblood Wristplates Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Heartblood Wristplates suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Heartblood Wristplates 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 Heartblood Wristplates Fits
Other Items Named Heartblood Wristplates
2 other items in the current build are also called Heartblood Wristplates. 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 78412 (78407 to 78417) were usually added in the same batch as Heartblood Wristplates: the same quest line, zone, vendor or reward set.