Read from the World of Warcraft client build files.
How Wristguards of Ruination Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Wristguards of Ruination suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Wristguards of Ruination 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 Wristguards of Ruination Fits
Other Items Named Wristguards of Ruination
6 other items in the current build are also called Wristguards of Ruination. 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 105313 (105308 to 105318) were usually added in the same batch as Wristguards of Ruination: the same quest line, zone, vendor or reward set.