Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Erupting Volcanic Mantle Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Erupting Volcanic Mantle suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Erupting Volcanic Mantle is part of the transmog set Volcanic Regalia (Shaman only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Erupting Volcanic Mantle Fits
Other Items Named Erupting Volcanic Mantle
2 other items in the current build are also called Erupting Volcanic Mantle. 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 171822 (171817 to 171827) were usually added in the same batch as Erupting Volcanic Mantle: the same quest line, zone, vendor or reward set.