Fanfiction about Lucifer and Adam: What are some interesting plot ideas?

One plot idea could be Lucifer seeing a different side of Adam that no one else has. Maybe Adam shows kindness towards a lower - class demon, which makes Lucifer question his own views. Another could be that they team up to solve a mystery in Hell that threatens both the sinners and the native demons. And a third idea is that Adam tries to introduce Lucifer to more 'human' concepts like forgiveness, which Lucifer initially resists but gradually comes to understand.

One idea could be that Lucifer has a secret mission on Earth related to the events in Highschool DxD. He could be observing the main characters to see how they are handling the supernatural situations, and perhaps he has a greater plan in store for them. Maybe he's looking for a new heir or a special power that could be hidden among the students.

One idea could be exploring Adam's adventures in an alternate universe. Maybe in this universe, he has to team up with a different version of himself to save the day. Another could be delving into his relationship with his mother before the events of the movie in a more in - depth way.

One idea could be that they face challenges in their relationship due to the pregnancy. Maybe Lucifer is worried about his devilish nature affecting the baby, while Chloe is trying to balance her detective work with the new situation. Another plot could involve them having to protect the unborn child from supernatural threats, as Lucifer's world is full of such things.

One idea could be that they struggle to balance their work with the upcoming baby. For example, Lucifer's devil - related duties and Chloe's police work. Another could be that they have different ideas about how to raise the child, given their very different backgrounds. Maybe Lucifer wants to raise the child with a more 'devil - may - care' attitude while Chloe is all about discipline and rules.

One idea could be Percy having to struggle with the dark reputation that comes with being Lucifer's son while trying to prove he's not all bad. Maybe he forms an unlikely alliance with some angels who initially distrust him but later see his good side.

One idea could be exploring Lucifer's past before the events of Hazbin Hotel. Maybe show his rise to power and the decisions that led him to become the ruler of Hell. Another could be a story where Lucifer has to deal with a new, powerful demon who challenges his authority in Hell. A third idea might be a fanfiction that focuses on Lucifer's relationships with the other main characters in a more in - depth way, like his true feelings towards Charlie and how he views her plan for the hotel.

Maybe the pregnancy is unexpected, and they initially panic. But then they start to get excited about building a family together. Chloe could start to train Lucifer on how to be a good father, like teaching him about baby care and normal family values, which would be a big change for him since he's from Hell.

One idea could be that the baby has some sort of special power. Maybe it can see things that others can't, like angels or demons in their true forms. This would add an interesting dynamic as Lucifer and Chloe try to understand and protect their child from the otherworldly forces that might be interested in the baby's power.

One idea could be a new character joining the school who has a mysterious power that both the devils and angels are interested in. This new character could disrupt the existing power balance in the school.