Let us think about this for 1 sec:
Let us assume we have 3 dirges in the raid.
Now: 3x VC for 6 people. Then: 3x VC for 24 people. Effect: x4.
Now: BC for 3 toons. Then: BC for 24 people. Effect: x8.
Well, the second is over but I don't have to continue, do I?