This item was dropped by the Tangled Horrors that were located in Swamp of Sorrows prior to Cataclysm. It became available again during Warlords of Draenor through and , but the salvage crates were later removed upon the conclusion of that expansion.
- Patch 8.0.1 (2018-07-17): Now drops from Molt Thorn.
- Patch 7.0.3 (2016-07-19): No longer drops from salvage crates.
- Patch 6.0.2 (2014-10-14): Now drops from salvage crates.
- Patch 4.0.3a (2010-11-23): Removed.