- Main article: General Umbriss
|Race||Stone trogg (Humanoid)|
- Claw Puncture 5 yd range — A Malignant Trogg sinks its claws into its current target, inflicting 72 to 77 (243 to 256) Physical damage every 3 seconds for 6 sec. This effect stacks up to 10 times.
- Modgud's Malady — Modgud's Malady inflicts 1755 to 1845 (5850 to 6150) Shadow damage every 2 seconds and reduces the movement speed of the affected player by 50% (25%) for 10 sec. In Heroic Difficulty Modgud's Malady stacks up to 10 times.
- Modgud's Malice — When a Malignant Trogg dies, it casts Modgud's Malady on all players within 8 yards. In Heroic Difficulty a dying Malignant Trogg will also cast Modgud's Malice on General Umbriss and Trogg Dwellers within 8 yards. Modgud's Malice increase General Umbriss' damage by 100% for 20 sec. and transforms Trogg Dwellers into Malignant Troggs.
- Patch 4.0.3a (2010-11-23): Added