This item is acquired in-game. See its sources below.
A Rare Miscellaneous, item level 1, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
N'Ruby uses icon file 237410, which 3 other items also use. The 2 closest by item ID:
Infused Chitin Fragment ID 140815 · Gem · item level 50Nerubian Chitin ID 38558 · Trade Goods · item level 20Blizzard numbers items as they are created, so the named items next to ID 208138 (208132 to 208148) were usually added in the same batch as N'Ruby: the same quest line, zone, vendor or reward set.
Stormwind Insignia ID 208132 · Consumable
Orgrimmar Insignia ID 208133 · Consumable
Rustbolt Resistance Insignia ID 208134 · Consumable
Incomplete Tablet ID 208146 · Quest "Strange runes and symbols cover the tablet."
Yellow Tweed Cap ID 208147 · Armor - Cosmetic "The game is afoot."
Burgundy Cap ID 208148 · Armor - Cosmetic "It has a lingering essence of Revendreth anima."The raw ItemSparse values for item 208138 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB