This item is acquired in-game. See its sources below.
A Rare Polearm Two-Hand, item level 278, requires level 60, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Appearance ID: 70675. 3 other items wear the same appearance:
Read from the World of Warcraft client build files.
2 quests list Beheader's Poleaxe among their rewards in Blizzard's quest data.
Knowledge Seeker's Cudgel, 
Scarab Blaster, 
Dunesplitter, 
Fist of the Treasure Seeker, 
Scorpion Slicer, 
Raider's Lost Spire, 
Tomb Raider's ShankKnowledge Seeker's Cudgel, Scarab Blaster, Dunesplitter, Fist of the Treasure Seeker, Scorpion Slicer, Raider's Lost Spire, Tomb Raider's ShankRead from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
In their in-game specialization descriptions, these specs name polearms among their preferred weapons:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Beheader's Poleaxe uses icon file 4093699, which 12 other items also use. The 5 closest by item ID:
Galerider Poleaxe ID 199399 · Weapon - Polearm · item level 252Shorebreaker's Poleaxe ID 199037 · Weapon - Polearm · item level 200Reach of Years ID 195183 · Weapon - Polearm · item level 314Darkscale Twinblade ID 194397 · Weapon - Polearm · item level 200Vault Guardian's Poleaxe ID 194376 · Weapon - Polearm · item level 200Blizzard numbers items as they are created, so the named items next to ID 201303 (201298 to 201308) were usually added in the same batch as Beheader's Poleaxe: the same quest line, zone, vendor or reward set.
Docile Fiery Soul ID 201298 · Miscellaneous · item level 61 "The rage within the captured fiery soul has subsided and it can be safely released from its prison."
Docile Frosty Soul ID 201299 · Miscellaneous · item level 61 "The resentment within the captured frosty soul has subsided and it can be safely released from its prison."
Iridescent Ore Fragments ID 201300 · Miscellaneous
Iridescent Ore ID 201301 · Miscellaneous "You suspect it will be a while before you find such a brilliant ore again."Scarab Blaster ID 201302 · Weapon - Gun · item level 278Dunesplitter ID 201304 · Weapon - Two-Handed Sword · item level 278Fist of the Treasure Seeker ID 201305 · Weapon - Fist Weapon · item level 278Knowledge Seeker's Cudgel ID 201306 · Weapon - One-Handed Mace · item level 278Raider's Lost Spire ID 201307 · Weapon - Staff · item level 278Scorpion Slicer ID 201308 · Weapon - One-Handed Sword · item level 278The raw ItemSparse values for item 201303 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
First-party render from the game files. Model © Blizzard Entertainment.
TheWoWDB
