Well, I play the single player again (damm, those DK could screw your gameplay in SP) Well, there is a way to kill them. And yes, if you hit them in the wrong part, they are invincible. So my advice is you should find their week spot. After you find it, you will see that their shield goes down more faster than their hull. However I advise you to take torps with you so you lower their shield with your lasers and destroy the hull with your torps. Another thing, doing this task alone will take a w…