I think now that we have made that gaffe, everybody should just take their own actions into account and do up a post. Nargesh and Orgen are tall or taller than palisades, Armauk is nearly there and the rest of the Orcs can simply do the trick of storming the front gates.

I say we use the night cover to move our ballistas in range, we assault the tower and storm are main forces and Wargs in while two separate contingents rely on Orgen and Nargesh to punch through the palisades on either side.