|Race||Eye stalk (Aberration)|
|Location||Throne of the Apocalypse, Bastion of Twilight|
- Main article: Cho'gall (tactics)
Debilitating Beam — Reduces healing and damage done by 75%. Inflicts 4875 to 5125 Shadow damage every 1 sec. Causes Corrupted Blood every 1 sec. Lasts 10 seconds. Undispellable.
- Patch 4.0.3a (2010-11-23): Added.