The game's collection data lists Bestowed Greathelm as sold by a vendor NPC in Valdrakken.
Vendor
Zone
Map
Waypoint
Other items it sells
NPC #199599
Valdrakken
-
-
792
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)).
In the Appearances collection, Bestowed Greathelm is listed as Quest. Appearance IDs: 80035, 80044. No other item uses this appearance, so it is unique to Bestowed Greathelm.
Read from the World of Warcraft client build files.
Where Bestowed Greathelm Comes From
Quests That Reward Bestowed Greathelm
1 quest lists Bestowed Greathelm among its rewards in Blizzard's quest data.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Bestowed Greathelm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Bestowed Greathelm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Bestowed Greathelm is part of the transmog set Bestowed Plate (Warrior, Paladin and Death Knight only). The other 8 pieces:
Blizzard numbers items as they are created, so the named items next to ID 204608 (204603 to 204613) were usually added in the same batch as Bestowed Greathelm: the same quest line, zone, vendor or reward set.