Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Casque of Expelled Corruption Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Casque of Expelled Corruption suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Casque of Expelled Corruption is part of the transmog set White Tiger Battlegear (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Casque of Expelled Corruption Fits
Other Items Named Casque of Expelled Corruption
4 other items in the current build are also called Casque of Expelled Corruption. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Casque of Expelled Corruption
Blizzard numbers items as they are created, so the named items next to ID 90530 (90525 to 90538) were usually added in the same batch as Casque of Expelled Corruption: the same quest line, zone, vendor or reward set.