The game's collection data lists Arion's Crown as sold by a vendor NPC in Stonetalon Mountains. The vendor stands at 65.9, 64.1 on the Stonetalon Mountains 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).
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Arion's Crown Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Arion's Crown suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
1 other item in the current build is also called Arion's Crown. 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 65120 (65115 to 65125) were usually added in the same batch as Arion's Crown: the same quest line, zone, vendor or reward set.