- Main article: Madness of Deathwing
946,132 - 3,153,772
During the second phase of the Deathwing encounter Deathwing begings to Hemorrhage, creating several Congealing Blood at a nearby location. The Blood then moves towards Deathwing. They will only appear during Heroic difficulty
- Congealing Blood — If a Congealing Blood reaches Deathwing, it heals him for 1% of his maximum health.
- Patch 4.3.0 (2011-11-29): Added.