The game's collection data lists Cataclysmic Gladiator's Redoubt as sold by 2 vendor NPCs in Valley of the Four Winds and Kun-Lai Summit. The first vendor stands at 12.2, 34.4 on the Valley of the Four Winds map.
Vendor NPC, zone and position come from the client's collection source tables (CollectableSourceInfo and CollectableSourceVendorSparse); coordinates are the in-game map readout.
Build history
First seen in build 5.5.4.69585 (Mists of Pandaria).
1 other item in the current build is also called Cataclysmic Gladiator's Redoubt. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Cataclysmic Gladiator's Redoubt
Blizzard numbers items as they are created, so the named items next to ID 73458 (73453 to 73463) were usually added in the same batch as Cataclysmic Gladiator's Redoubt: the same quest line, zone, vendor or reward set.