From fire & hate : it goes bleak for the Chaos dwarves.

Often out number 2 to 1 by the dwarves, the Legion of Azgorh is on a constant pressure. Meanwhile, the Greenskins waaagh and even the undead remain a constant regional menace. However, there is more than meets the eye. If the Legion can triomph in the Chaos dwarfs political arcane, they might get the resources they need to balance the opposing forces on the battle field. It is imperative for the Legion's army to buy time while Drazhoath the Ashen toppled his brothers to lead alone the whole Chaos dwarf empire.