This item is acquired in-game. See its sources below.
A Rare Leather Chest, item level 37, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Firecracker Tunic is listed as World Drop. Appearance ID: 17556. 8 other items wear the same appearance:
Read from the World of Warcraft client build files.
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Firecracker Tunic suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Firecracker Tunic is part of the transmog set Mogubreaker Battlegear (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Doubtridden ShoulderguardsNimbletoe ChestguardFizzy Spaulders
Saboteur's Stabilizing Bracers
Wall-Breaker LegguardsFizzy SpauldersDoubtridden ShoulderguardsNimbletoe ChestguardSaboteur's Stabilizing BracersWall-Breaker Legguards
Belt of Brazen Inebriation
Boots of Plummeting Death
Windblast HelmKorloff's RaimentDashing Strike Treads
Hound Trainer's GlovesBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Firecracker Tunic uses icon file 609748, which 40 other items also use. The 6 closest by item ID:
Firecracker Chestguard ID 113742 · Armor - Leather · item level 37Chestwrap of Arcing Flame ID 100957 · Armor - Leather · item level 39Ale-Boiled Jerkin ID 98202 · Armor - Leather · item level 40Tidesplitter Jerkin ID 98173 · Armor - Leather · item level 40Hozen-Stitched Jerkin ID 93078 · Armor - Leather · item level 39Mogubreaker Jerkin ID 93049 · Armor - Leather · item level 39Blizzard numbers items as they are created, so the named items next to ID 113740 (113735 to 113745) were usually added in the same batch as Firecracker Tunic: the same quest line, zone, vendor or reward set.
Drifting Cloud Necklace ID 113735 · Armor · item level 37Rumbling Mountain Choker ID 113736 · Armor · item level 37
Kyparite Chestplate ID 113737 · Armor - Plate · item level 38Kyparite Chestguard ID 113738 · Armor - Plate · item level 37
Venomtail Vest ID 113739 · Armor - Mail · item level 37Venomtail Chestguard ID 113741 · Armor - Mail · item level 37Firecracker Chestguard ID 113742 · Armor - Leather · item level 37
Kyparite Gloves ID 113743 · Armor - Plate · item level 37Kyparite Gauntlets ID 113744 · Armor - Plate · item level 37
Venomtail Gloves ID 113745 · Armor - Mail · item level 37The raw ItemSparse values for item 113740 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB