- Completed by: 17 players @ Dev realm
- Last completion: 4 years ago
- Points:
10 - Category: Legion Dungeon
- Main category: Dungeons & Raids
- Map: Cathedral of Eternal Night
Defeat Mephistroth within the Cathedral of Eternal Night.
Criteria (all required)
» Mephistroth (Defeat Mephistroth)
| Series (3) | Category (77) | Same map (5) |
| Achievement | Category | Points |
 Cathedral of Eternal Night Defeat Mephistroth within the Cathedral of Eternal Night. | Legion Dungeon (Dungeons & Raids) | 10 |
 Heroic: Cathedral of Eternal Night Defeat Mephistroth in Cathedral of Eternal Night on Heroic difficulty or higher. | Legion Dungeon (Dungeons & Raids) | 10 |
 Mythic: Cathedral of Eternal Night Defeat Mephistroth in Cathedral of Eternal Night on Mythic difficulty. | Legion Dungeon (Dungeons & Raids) | 10 |