Faivpal

Defeat the 4 Horsemen in Naxxramas, ensuring that they all die within 15 seconds of each other in 25-player mode.

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

Defeat every boss in Naxxramas in 25-player mode.

Defeat the bosses of Naxxramas with less than 21 people in the zone in 25-player mode.

Defeat Kel'Thuzad in Naxxramas in 25-player mode.

Defeat Sapphiron in Naxxramas without any member of the raid having a frost resist value over 100 in 25-player mode.

Defeat Sapphiron in Naxxramas in 25-player mode.

Defeat Loatheb in Naxxramas without killing any spores in 25-player mode.

Defeat the bosses of The Plague Quarter of Naxxramas in 25-player mode.

Defeat Heigan the Unclean in Naxxramas without anyone in the raid dying in 25-player mode.

Defeat the bosses of The Military Quarter of Naxxramas in 25-player mode.

Defeat Thaddius in Naxxramas without anyone in the raid crossing the negative and positive charges in 25 player mode.

Defeat Thaddius in Naxxramas with less than 21 players in 25-player mode.

Defeat the bosses of The Construct Quarter of Naxxramas in 25-player mode.

Kill Patchwerk in Naxxramas in 3 minutes or less in 25-player mode.

Kill Maexxna in Naxxramas within 20 minutes of Anub'Rekhan's death in 25-player mode.

Defeat the bosses of The Arachnid Quarter of Naxxramas in 25-player mode.

Defeat Grand Widow Faerlina in Naxxramas without dispelling or preventing frenzy in 25-player mode.

Complete all Mythic+ dungeons within the time limit at keystone level 20 during Midnight Season 2.