- Completed by: 0 players @ Dev realm
- Category: Raids
- Main category: Legacy
- Realm First achievement
- Map: Ulduar
Defeat Algalon the Observer after closing 3 Black Holes within 10 seconds in 10-player mode.
Criteria (all required)
»
Black Hole Credit (Close 3 Black Holes within 10 seconds) (max 10 seconds)»
Kill Credit (Defeat Algalon the Observer)| Criteria of (1) | Criteria of tree (2) | Category (152) | Same map (238) |
| Achievement | Category | Points |
 Supermassive Defeat Algalon the Observer in Ulduar after closing 3 Black Holes within 10 seconds. | Lich King Raid (Dungeons & Raids) |  10 |