She tells Lucifer that God originally intended to destroy him for his rebellion.
Lucifer is initially cold, reminding her that she did nothing when God cast him into Hell. However, she reveals a "truth" that changes his perspective: Lucifer S02E0242:10 Min
She claims she begged God to spare his life and, as a compromise, suggested sending him to Hell instead. She presents her inaction as a desperate act of love to save his existence. She tells Lucifer that God originally intended to