Nope, not a thing. Im a sorcerer. I defeated Lavok, returned the sphere, took him outside, he died, I talked to the knights and they left! Now, there is one thing I might be missing here and that is the conversation with Lavok. I read the first two words, if they are 'nice' then I press the matching button, so maybe I kindly declined his offer to take the sphere. Is this possible? If so then im screwed