The Undying Within one raid lockout period, defeat every boss in Naxxramas without allowing any raid member to die during any of the boss encounters in 10-player mode.
08/12/2009 Title Reward: The Undying
10
More Dots! (10 player) Defeat Onyxia in less than 5 minutes in 10-player mode.
11/11/2009
10
She Deep Breaths More (10 player) Defeat Onyxia without anyone taking damage from a Deep Breath in 10-player mode.
31/10/2009
10
Onyxia's Lair (10 player) Defeat Onyxia in 10-player mode.
25/10/2009
10
You Don't Have An Eternity (10 player) Defeat Malygos in 6 minutes or less in 10-player mode.
30/08/2009
10
The Twilight Zone (10 player) With all three Twilight Drakes still alive, engage and defeat Sartharion the Onyx Guardian in 10-player mode.
29/08/2009 Title Reward: Of the Nightfall
10
Gonna Go When the Volcano Blows (10 player) Defeat Sartharion the Onyx Guardian without getting hit by Lava Strike in 10 player mode.
15/08/2009
10
A Poke In The Eye (10 player) Defeat Malygos with fewer than 9 in 10-player mode.
20/06/2009
10
Twilight Duo (10 player) With at least two Twilight Drakes still alive, engage and defeat Sartharion the Onyx Guardian in 10-player mode.
20/06/2009
10
Twilight Assist (10 player) With at least one Twilight Drake still alive, engage and defeat Sartharion the Onyx Guardian in 10-player mode.
20/06/2009
10
Make Quick Werk Of Him (10 player) Defeat Patchwerk in Naxxramas in 3 minutes or less in 10-player mode.
02/05/2009
10
Subtraction (10 player) Defeat Thaddius in Naxxramas with less than 9 players in 10-player mode.
21/03/2009
10
The Dedicated Few (10 player) Defeat the bosses of Naxxramas with less than 9 people in the zone in 10-player mode.
21/03/2009
25
Spore Loser (10 player) Defeat Loatheb in Naxxramas without killing any spores in 10-player mode.
14/03/2009
10
Shocking! (10 player) Defeat Thaddius in Naxxramas without anyone in the raid crossing the negative and positive charges in 10-player mode.
17/02/2009
10
Just Can't Get Enough (10 player) Defeat Kel'Thuzad in Naxxramas while killing at least 18 abominations in his chamber in 10 player mode.
06/02/2009
10
Arachnophobia (10 player) Defeat Maexxna in Naxxramas within 20 minutes of Anub'Rekhan's death in 10-player mode.
06/02/2009
10
And They Would All Go Down Together (10 player) Defeat the 4 Horsemen in Naxxramas, ensuring that they all die within 15 seconds of each other in 10-player mode.
06/02/2009
10
Less Is More (10 player) Defeat Sartharion the Onyx Guardian and the Twilight Drakes with fewer than 9 players in 10-player mode.
05/02/2009
10
The Fall of Naxxramas (10 player) Defeat every boss in Naxxramas in 10-player mode.
01/02/2009
25
Kel'Thuzad's Defeat (10 player) Defeat Kel'Thuzad in Naxxramas in 10-player mode.
01/02/2009
10
Denyin' the Scion (10 player) Deliver a killing blow to a Scion of Eternity while riding on a hover disk in 10-player mode.
25/01/2009
10
The Spellweaver's Downfall (10 player) Defeat Malygos in 10-player mode.
25/01/2009
10
Momma Said Knock You Out (10 player) Defeat Grand Widow Faerlina in Naxxramas without dispelling or preventing frenzy in 10 player mode.
24/01/2009
10
The Safety Dance (10 player) Defeat Heigan the Unclean in Naxxramas without anyone in the raid dying in 10 player mode.
27/12/2008
10
Sapphiron's Demise (10 player) Defeat Sapphiron in Naxxramas in 10-player mode.
27/12/2008
10
The Construct Quarter (10 player) Defeat the bosses of The Construct Quarter of Naxxramas in 10-player mode.
27/12/2008
10
The Hundred Club (10 player) Defeat Sapphiron in Naxxramas without any member of the raid having a frost resist value over 100 in 10-player mode.
27/12/2008
10
The Military Quarter (10 player) Defeat the bosses of The Military Quarter of Naxxramas in 10 player mode.
07/12/2008
10
The Plague Quarter (10 player) Defeat the bosses of The Plague Quarter of Naxxramas in 10-player mode.
07/12/2008
10
Besting the Black Dragonflight (10 player) Defeat Sartharion the Onyx Guardian in 10-player mode.
06/12/2008
10
The Arachnid Quarter (10 player) Defeat the bosses of The Arachnid Quarter of Naxxramas in 10-player mode.
05/12/2008