The demons call her Renouch. The one who came back.
She spent fifteen minutes on the Paradise plane, and came back with knowledge that a demon would kill to get, and she thinks its her job to save Carter.
Like he needs it. The real problem is that Samantha is a marshmallow, and he’s got to keep her safe. Sending her away isn’t an option. He’s going to have to train her up to take care of herself. Heaven’s secrets are riding on it.