||The subject of this article was removed from World of Warcraft in patch 4.0.1.
- This includes items and quests that can no longer be obtained or are now deprecated.
- The in-game information in this article is kept purely for historical purposes.
- Crypt Fever (3 ranks)
- Unholy, Tier 8
- Your diseases also cause Crypt Fever, which increases the damage of other diseases on the target by 20/40/60%.
Crypt Fever is a Death knight talent located in the 8th tier of the Unholy Tree that increases Disease damage.
You can further mutate Crypt Fever with the talent [Ebon Plaguebringer].