>>95933018
All of them. My seekers can't land a precision shot that wounds, my dreadnoughts can kill chaff but if something important rolls up they go on strike, the tanks get picked off by sniper rifles, the veterans don't care for a fair fight, and my HQs might as well refuse a challenge for how often they cause a wound in them.
Really the most blood soaked units in my army are the fucking rhinos that seem to run every motherfucker over that the multi meltas and missiles don't obliterate.