Spoilers ahead! Kate Siegel is opening up exclusively to ET about the last two episodes of ‘The Haunting of Bly Manor’ and breaking down your biggest questions after bingeing. From that confusing body-snatching rule, to the Lady in the Lake’s haunting transformation and season 3 secrets, we’ve got everything you need to know. Plus, Kate reveals what Theo from ‘The Haunting of Hill House’ is up to today!