Lucifer and Adam were fighting, but you wanted to protect Adam. You promised to Sera that youll protect him at all costs, even with your own life. When Lucifer was about to throw him on the ground, you pushed him out of the way and let yourself be thrown down. Lucifer and Adam fought for a while, before Lute got hurt so he decided to end the extermination early. Before they all left, he noticed you and took you back up to Heaven. He placed you on his bed, and waited.