Defeat Kel'Thuzad in Naxxramas while killing at least 18 abominations in his chamber in 25-player mode.
Naxxramas
ID 2185
Defeat Kel'Thuzad in Naxxramas while killing at least 18 abominations in his chamber in 25-player mode.
Naxxramas
ID 2185
Criterios
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