This item is acquired in-game. See its sources below.
An Uncommon Miscellaneous, item level 1.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Grumpling uses icon file 1245298, which 3 other items also use. The 2 closest by item ID:
Minion of Grumpus ID 128671 · Miscellaneous · item level 10 "Teaches you how to summon this mount."Puntable Grumpling ID 234127 · Consumable "Learn how to summon Puntable Grumpling."Blizzard numbers items as they are created, so the named items next to ID 128770 (128764 to 128775) were usually added in the same batch as Grumpling: the same quest line, zone, vendor or reward set.
Moist Azsunian Feta ID 128764 · Consumable · item level 45 "It has a nice creamy texture."
Hammer of Khaz'goroth ID 128765 · Quest "This titan relic pulses with energy."
Ronos' Pick ID 128767 · Quest "Forged from sand of the shores of Azsuna, this pickaxe is light, yet fragile. Great care must be taken when..."
Candy Cane ID 128768 · Consumable
Glass-Extracted Leystone ID 128769 · Quest "Carefully mined leystone."
Amberblight Antler ID 128771 · Quest "An antler from an Ironhorn Moose that has been afflicted with Amberblight."
Branch of the Runewood ID 128772 · Quest
Bear Sirloin ID 128773 · Quest "A particularly thick steak that is highly valued by hunters for the energy it provides."
Blackcraw's Tail ID 128774 · Quest "This large tail is bursting with succulent makrura meat."
Mark of Cenarius ID 128775 · Reagent "A small coin engraved with the emblem of Cenarius."The raw ItemSparse values for item 128770 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB