Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Immolation Shoulderguards Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Immolation Shoulderguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Immolation Shoulderguards is part of the transmog set Battleplate of Immolation (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Immolation Shoulderguards Fits
Other Items Named Immolation Shoulderguards
2 other items in the current build are also called Immolation Shoulderguards. 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 171763 (171758 to 171768) were usually added in the same batch as Immolation Shoulderguards: the same quest line, zone, vendor or reward set.