The game's collection data lists Deathstalker's Mask as sold by a vendor NPC in Elysian Hold.
Vendor
Zone
Map
Waypoint
Other items it sells
NPC #175522
Elysian Hold
-
-
207
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 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Deathstalker's Mask Game Data
Appearance
In the Appearances collection, Deathstalker's Mask is listed as Quest. Appearance IDs: 38902, 39690. 3 other items wear the same appearance:
Read from the World of Warcraft client build files.
How Deathstalker's Mask Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Deathstalker's Mask suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 6 items nearest to Deathstalker's Mask (item level 60) in item level among Armor > Leather, Head slot, from item level 46 to 60.
Deathstalker's Mask is part of the transmog set Deathstalker's Guise (Rogue, Monk, Druid and Demon Hunter only), which the Appearances collection lists in 2 versions. The other 11 pieces:
Blizzard numbers items as they are created, so the named items next to ID 166563 (166558 to 166571) were usually added in the same batch as Deathstalker's Mask: the same quest line, zone, vendor or reward set.