On my first playthrough, since Swen said we should play the evil route, I was trying my hardest to join the cult of the Absolute. After talking to Dror Ragzlin and Minthara, I was all set to betray the Grove. My chraracter wanted the power that the cult offered, the control over my parasite. But then I talked to Priestess Gut who tried to kill me (I don't remember being able to do anything to change her mind??). And also I saved Halsin.
At this point, what reason does my character have to ally with the Cult over Halsin??? The cult literally tried to kill me, and Halsin says he has a way to help me. The only way my character would still betray the Grove is if my character was both stupid and only cares about causing pain. I don't want to play a sadistic dumb character. Sadistic or dumb, sure. But not both...