With or without you, what they are planning is far beyond just those few directly involved. Understand that.
If they are gathering information on the Pillar, they intend to act on it. If they act on it, they will have to face King. He will absolutely destroy any involved at any stage, including you. And most likely the rest of us as well.
Graces, Foreman and Queen are all loyal to King –– what do you think will happen to those trapped with them if we force a confrontation with King?