Ebon Plaguebringer is a passive specialization ability for Unholy death knights, available at level 68.
- Patch 5.2.0 (2013-03-05): Now causes to inflict , in addition to its other effects.
- Patch 5.0.4 (2012-08-28): Redesigned. Increases the damage your diseases deal by 60%, and causes your Blood Plague to also apply the Physical Vulnerability effect.
- Patch 3.0.3 (2008-11-04): Added.