Which means I should do around 10k..

I'll have :

40/15 COA ( or Bered)
Botd Zerker
Draculs
Raven Frosts
Gore Riders
Exile
Highlords
Templars Might( 2 to Offensives)
and Arachnids

Anni; 5 combats, 5 offensives, 9 290s'..

If I'm correct thats about 11k dmg? Im not TOO sure, but i beleive thats correct.