This item is acquired in-game. See its sources below.
An Epic Gem, item level 44, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Thundering Impact adds Relic Enhancement when socketed. See Thundering Impact on the gem list for every socket it fits.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
8 other items in the current build are also called Thundering Impact. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Thundering Impact ID 140442 · Gem · item level 44Thundering Impact ID 143824 · Gem · item level 44Thundering Impact ID 144532 · Gem · item level 44Thundering Impact ID 145374 · Gem · item level 44Thundering Impact ID 150352 · Gem · item level 44Thundering Impact ID 150358 · Gem · item level 44Thundering Impact ID 150364 · Gem · item level 44Thundering Impact ID 153474 · Gem · item level 44Thundering Impact uses icon file 839979, which 13 other items also use. The 8 closest by item ID:
Thundering Impact ID 150364 · Gem · item level 44Thundering Impact ID 150358 · Gem · item level 44Thundering Impact ID 150352 · Gem · item level 44Thundering Impact ID 153474 · Gem · item level 44Thundering Impact ID 154080 · Gem · item level 44Thundering Impact ID 154110 · Gem · item level 44Thundering Impact ID 155723 · Gem · item level 44Thundering Impact ID 155753 · Gem · item level 44Blizzard numbers items as they are created, so the named items next to ID 151522 (151517 to 151527) were usually added in the same batch as Thundering Impact: the same quest line, zone, vendor or reward set.
Petrified Ancient's Thumb ID 151517 · Gem · item level 44
Blindside Approach ID 151518 · Gem · item level 44 "The king of the hill casts the tallest shadow."
Polished Shadowstone ID 151519 · Gem · item level 44
Dead Man's Tale ID 151520 · Gem · item level 44
Battering Tempest ID 151521 · Gem · item level 44
Roar of the Crowd ID 151523 · Gem · item level 44
Hammer of Vigilance ID 151524 · Weapon - One-Handed Mace
Stolen Artifact ID 151525 · Quest "An ancient antiquity from the Temple of Kimbul."
Depleted Riftstone ID 151526 · Miscellaneous · item level 45 "Allows entry into Lesser Rifts."
Block Warden's Key ID 151527 · QuestThe raw ItemSparse values for item 151522 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB