Killing Machine is a passive level 56 Frost death knight ability.
Patches and hotfixes
- Patch 7.0.3 (2016-07-19): No longer affects and can only be procced from auto attack critical strikes.
- Patch 4.2.0 (2011-06-28): Can now properly be triggered from off-hand attacks as well as main-hand attacks.
- Patch 4.0.1 (2010-10-12): Now affects instead of .
- Hotfix (2009-04-01): "The weapon enchants Rune of Razorice and Rune of Lichbane will no longer cause the Killing Machine talent to be triggered more often."
- Patch 3.0.2 (2008-10-14): Added.