And Stay Dead!

The corpses of more than 13 Justicars, she needs to resurrect for this achivement, are found in the left wing of the cathedral, so make sure it is cleared. Then do the following steps:

1. Kill Commander Durand.
2. 
   
3. High Inquisitor Whitemane comes out.
4. 
   
5. Damage her until she resurrects Commander Durand to prevent being stunned by her while killing the additional justicars. DO NOT let her cast Mass Resurrection.
6. 
   
7. Kill Commander Durand for the second time.
8. 
   
9. Let her cast Mass Resurrection.
10. 
    
11. Pop cooldowns and bomb the Justicars.
12. 
    
13. Kill High Inquisitor Whitemane.
14. 
    
15. Profit

This video illustrates how to execute this strategy: http://www.youtube.com/watch?v=nTaEgP8gheM

Seems like the Scarlet Crusade is a lvl 25 guild ^^

Just a clarification:

At 120, you don't need to dps Whitemane at all to make her cast mass resurrection. Single target the Judicators to make sure you don't accidentally 1-shot the boss, then kill the boss.

1. Clear the room & make sure the Judicators in the left wing (East Wing) are all dead. (may not be necessary? They were all dead and untargetable when I got to the dungeon, not sure if that was a fluke or normal)
2. Kill Durand.
3. Let Whitemane cast Mass Resurrection.
4. Kill Judicators.
5. Kill Whitemane (and Durand again if necessary)
done!