First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Errant Crusader's Greaves Game Data
Appearance
In the Appearances collection, Errant Crusader's Greaves is listed as Boss Drop. Appearance IDs: 43918, 43908, 43888, 43872. 3 other items wear the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Errant Crusader's Greaves Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Errant Crusader's Greaves suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Errant Crusader's Greaves is part of the transmog set Grand Sentinel's Greatplate (Warrior, Paladin and Death Knight only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 183027 (183022 to 183032) were usually added in the same batch as Errant Crusader's Greaves: the same quest line, zone, vendor or reward set.