Naxxramas

Naxxramas
http://www.wowhead.com/?zone=3456
[Arcahnid Quarter]

Anub'Rekhan 9/12
Grand Widow Faerlina 9/12
Maexxna

[Construct Quarter]

Patchwerk
Grobbulus
Gluth
Thaddius

[Military Quarter]

Instructor Razuvious
Gothik the Harvester
The Four Horsemen

[Plague Quarter]

Noth the Plaguebringer
Heigan the Unclean
Loatheb

[Frostwyrm Lair]

Sapphiron
Kel'Thuzad