Read from the World of Warcraft client build files.
How Ro'shak's Molten Chain Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Ro'shak's Molten Chain suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Ro'shak's Molten Chain is part of the transmog set Regalia of the Witch Doctor (Shaman only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Ro'shak's Molten Chain Fits
Other Items Named Ro'shak's Molten Chain
4 other items in the current build are also called Ro'shak's Molten Chain. 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 96904 (96899 to 96909) were usually added in the same batch as Ro'shak's Molten Chain: the same quest line, zone, vendor or reward set.