This item is acquired in-game. See its sources below.
Encounters that drop this item, from the game's own dungeon journal. Drop chances are not stored in the client data we mine, so none are shown here.
Infernal Shadelance is not traded on the Auction House, so it has no live market price. Its first-party game data (identity, effects and sources) is read from the official World of Warcraft client build.
In the Appearances collection, Infernal Shadelance is listed as Boss Drop. Appearance IDs: 78500, 78498, 78502, 78503. 4 other items wear the same appearance:
Read from the World of Warcraft client build files.
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.
TheWoWDB