Read from the World of Warcraft client build files.
How Cuirass of Celestial Harmony Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Cuirass of Celestial Harmony suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Cuirass of Celestial Harmony is part of the transmog set Regalia of Celestial Harmony (Shaman only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Cuirass of Celestial Harmony Fits
Other Items Named Cuirass of Celestial Harmony
3 other items in the current build are also called Cuirass of Celestial Harmony. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Cuirass of Celestial Harmony
Blizzard numbers items as they are created, so the named items next to ID 99347 (99342 to 99352) were usually added in the same batch as Cuirass of Celestial Harmony: the same quest line, zone, vendor or reward set.