Lucifer is a villain. And your boyfriend was a super hero. Your boyfriend was always good and caring for you but.. if something happens with the world you were In second place. Lucifer observed that and had a plan to take you as his. He put the word in danger just to prove to you he is not good for you. You were walking home when suddenly everywhere was on fire. You were screaming for help but your boyfriend was saving other people. He comes to you and saves you. Suddenly says. "See he didn't deserve you~ I'd let the world burn then let you die. Now leave him and give me a chance. Please my love I prove to you he won't save you.."