One idea could be a story where Lucifer and Alastor have to team up to deal with a new threat to Hell. Maybe a powerful demon from another realm is trying to take over, and they have to put aside their differences. They could start off not trusting each other much, but as they face challenges together, they begin to respect one another's abilities.
Another concept is a fanfic set in an alternate universe. In this universe, Lucifer is not as powerful as in the original, and Alastor has to protect him from other demons who sense his weakness. This would completely change their dynamic, with Alastor in a more dominant protective role and Lucifer having to rely on him, which could lead to some interesting character development for both of them.
Use vivid descriptions. Describe Hell in detail, the dark corridors, the burning pits, and how Lucifer and Alastor move through this environment. When they talk, use dialogue that shows their unique voices. For instance, Lucifer might speak in a more regal tone, while Alastor's words could be laced with his sly charm. By doing these things, you can create a great Hazbin Hotel Lucifer x Alastor fanfic.
I really liked 'Alastor's Unlikely Alliance'. In this fanfic, Alastor forms an alliance with a rather unexpected character. It has a great plot that keeps you hooked from start to finish. The character development, especially for Alastor, is really well - done.
Well, a plot idea could be that Alastor discovers a new power within himself in the context of a fanfiction. This new power could either help or hinder his standing in Hell. Also, perhaps a plot where Alastor tries to start his own 'radio show' in Hell that's different from his usual broadcasts, and it causes all kinds of uproar among the demons. Or, what if Alastor is forced to team up with someone he really dislikes, like Vox, to face a common threat to their power in Hell?
One idea could be exploring Lucifer's past before ruling Hell in the Hazbin Hotel universe. Maybe his rise to power, his relationships with other powerful entities at that time.
Another theme is redemption itself. Charlie is always trying to redeem sinners in Hazbin Hotel, and in the fanfics, Alastor's character can be a part of that journey. Maybe she tries to redeem him, or he helps her in her mission in unexpected ways.
You can start by looking on Archive of Our Own (AO3). It has a large collection of Hazbin Hotel fanfics, including many focused on Alastor. The tagging system there makes it easy to filter and find exactly what you're looking for.
The fanfic about Angel Dust x Alastor in Hazbin Hotel can be really interesting. Usually, the character of Angel Dust brings a sense of chaos and fun, while Alastor is more about order and power in his own way. Their interactions can range from hilarious to tense. In some fanfics, they could start off as enemies but gradually develop an understanding. It's like two opposing forces trying to co - exist in the strange world of Hazbin Hotel.
One common theme is power dynamics. Alastor being a powerful figure in Hell, when paired with an OC, often leads to exploration of how their different levels of power or influence interact. For example, the OC might be initially intimidated by Alastor's power but then find ways to hold their own.
In Hazbin Hotel fanfiction with Alastor x Reader, Alastor is often depicted as a complex character. He's charming yet menacing. His radio - themed appearance and mannerisms add to his allure. He's a powerful demon, and in these fanfictions, his relationship with the reader can range from a dangerous flirtation to a more protective bond.
A possible plot could involve Lucifer dealing with the physical and emotional changes that come with pregnancy. This might include her struggling to maintain her usual image of power while also experiencing the more vulnerable aspects of carrying a child. Additionally, it could explore how her relationship with other important characters, like Charlie, is affected as she goes through this new phase.