First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Cosmic Gladiator's Greatsword Game Data
Appearance
In the Appearances collection, Cosmic Gladiator's Greatsword is listed as Vendor. Appearance IDs: 44648, 44647. 1 other item wears the same appearance:
Items Numbered Next to Cosmic Gladiator's Greatsword
Blizzard numbers items as they are created, so the named items next to ID 189564 (189560 to 189569) were usually added in the same batch as Cosmic Gladiator's Greatsword: the same quest line, zone, vendor or reward set.