| Undermine | |
Boss Status Normal | | | Vexie Fullthrottle and The Geargrinders |
| | Cauldron of Carnage |
| | Rik Reverb |
| | Stix Bunkjunker |
| | Sprocketmonger Lockenstock |
| | One-Armed Bandit |
| | Mug'Zee |
| | Chrome King Gallywix |
Heroic | | | Vexie Fullthrottle and The Geargrinders |
| | Cauldron of Carnage |
| | Rik Reverb |
| | Stix Bunkjunker |
| | Sprocketmonger Lockenstock |
| | One-Armed Bandit |
| | Mug'Zee |
| | Chrome King Gallywix |
Mythic | | | Vexie Fullthrottle and The Geargrinders |
| | Cauldron of Carnage |
| | Rik Reverb |
| | Stix Bunkjunker |
| | Sprocketmonger Lockenstock |
| | One-Armed Bandit |
| | Mug'Zee |
| | Chrome King Gallywix |
|
| | Nerub-ar Palace | |
Boss Status Normal | | | Ulgrax the Devourer |
| | The Bloodbound Horror |
| | Sikran |
| | Rasha'nan |
| | Broodtwister Ovi'nax |
| | Nexus-Princess Ky'veza |
| | The Silken Court |
| | Queen Ansurek |
Heroic | | | Ulgrax the Devourer |
| | The Bloodbound Horror |
| | Sikran |
| | Rasha'nan |
| | Broodtwister Ovi'nax |
| | Nexus-Princess Ky'veza |
| | The Silken Court |
| | Queen Ansurek |
Mythic | | | Ulgrax the Devourer |
| | The Bloodbound Horror |
| | Sikran |
| | Rasha'nan |
| | Broodtwister Ovi'nax |
| | Nexus-Princess Ky'veza |
| | The Silken Court |
| | Queen Ansurek |
|
|