This quest can be completed with any difficulty or size raid.
Anub'Rekhan, once-mighty Spider Lord of the nerubian empire, has been taken by the Lich King and corrupted into a state of undeath.
Now a crypt lord, he sits in his parlor in the Arachnid Quarter of Naxxramas, spinning strategies for Kel'Thuzad.
The Council of Six has decreed that Anub'Rekhan must die!
Word of your success precedes you, <class>. Anub'Rekhan is no more. You did him a great service, <name>.
- 250 reputation with Kirin Tor
This is one of the new weekly Raid Quests introduced in patch 3.3. This quest can be completed with any difficulty or size raid.