Primal Gladiator's Satin Mantle is part of the transmog set Primal Gladiator's Satin Armor (Priest only), which the Appearances collection lists in 2 versions. The other 13 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Primal Gladiator's Satin Mantle Fits
Other Items Named Primal Gladiator's Satin Mantle
2 other items in the current build are also called Primal Gladiator's Satin Mantle. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Primal Gladiator's Satin Mantle
Blizzard numbers items as they are created, so the named items next to ID 115920 (115915 to 115925) were usually added in the same batch as Primal Gladiator's Satin Mantle: the same quest line, zone, vendor or reward set.