This item is acquired in-game. See its sources below.
An Uncommon Gem, item level 50, requires level 40, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Netherwhisper Arcanum adds Relic Enhancement when socketed. See Netherwhisper Arcanum on the gem list for every socket it fits.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Netherwhisper Arcanum uses icon file 631503, which 2 other items also use. The 2 closest by item ID:
Miniaturized Cosmic Beacon ID 155846 · Gem · item level 50Grim Eclipse ID 188254 · Armor · item level 233Blizzard numbers items as they are created, so the named items next to ID 141282 (141277 to 141287) were usually added in the same batch as Netherwhisper Arcanum: the same quest line, zone, vendor or reward set.
Bloodtotem Brand ID 141277 · Gem · item level 50
Glaivemaster's Whetstone ID 141278 · Gem · item level 50
Prison Guard's Torchflame ID 141279 · Gem · item level 50
Demonic Shackles ID 141280 · Gem · item level 50
Legion Portalstone ID 141281 · Gem · item level 50
Felbat Razorfang ID 141283 · Gem · item level 50
Nor'danil Ampoule ID 141284 · Gem · item level 50
Nar'thalas Writ ID 141285 · Gem · item level 50
Rite of the Val'kyr ID 141286 · Gem · item level 50
Law of Strength ID 141287 · Gem · item level 50The raw ItemSparse values for item 141282 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB