The Obsidian Colossus can be found initially frozen within the Ruins of Khintaset[35.1, 17.7] in Uldum. reawakens it in an attempt to stop in his quest for the Coffer of Promise, but finds very quickly that he cannot control it and flees, leaving his behind.
- When fighting it, be careful not to use AoE abilities, unless you want to also contend with the Riflemen.
- It is stunnable.
- Patch 4.0.3a (2010-11-23): Added