Uber Tristram is part of the Pandemonium special event quest, and contains boosted Act Bosses, now dubbed 'Uber Monsters':
Uber Tristram is also full of different summoned monsters that are also dangerous for those who do not take their existence into consideration. Some of the monster that are includes are
Note: These monster are very strong compared to any of their counterparts, appear randomly across the map, and all of them have immunities.
-Immunites-
- Bone Mage= Poison
- Horror Mage= Poison, Lightning
- Returned= Poison, Lightning
- Horror Archer= Poison
- Pit Lord= Magic, Fire, Cold, Lightning, Poison
- Specter= Physical, Poison
- Dark Lord= Physical, Poison, Cold