Defeat the 4 Horsemen in Naxxramas, ensuring that they all die within 15 seconds of each other in 10-player mode.
Naxxramas
ID 2176
Defeat the 4 Horsemen in Naxxramas, ensuring that they all die within 15 seconds of each other in 10-player mode.
Naxxramas
ID 2176
Criteria
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