This is about as painful as the most painful punishment she's been through.
"Don't care if I die," she coughs out, when she can speak. She doesn't try to stop the trembles, the sobs that interrupt her, but she knows that this is probably the most important negotiation of her life, so she should spend everything she has on continuing it. "Belong to - Nethys - have to work - for Him - I served Asmodeus from fear - because He owned my soul - and you know that's good enough - for Lord Asmodeus - but it's not true - anymore -"