The ghost that is freed if you pull the sword in the stone? That's not a glitch, he kills everyone if you don't put the sword back.
That was one of the things I absolutely LOVED with Divinity 1 : It gave you lessons.
There are always 2 sides. I hope that they will have this kind of "teaching" in he new game as well.
Not "the lesser of 2 evils" (I really hate that !!!), but rather "what you do will have consequences".