Well, in 'human in helluva boss fanfiction', a great concept might be the power dynamics. A human is likely much weaker than the native demons in Helluva Boss. So, it's fascinating to see how they either find ways to gain power or use their human ingenuity to survive. For example, they could use their knowledge of Earth - based technologies or strategies that demons may not be familiar with.
One interesting concept could be how a human character adapts to the chaotic and demonic world of Helluva Boss. Maybe they have to learn new rules, deal with different species, and face moral dilemmas that are unique to that setting.
Perhaps the story could focus on a hellhound and a human forming an unlikely friendship. They could face challenges together, like dealing with the social stigma in Helluva Boss's world of such an odd pairing. The human could introduce the hellhound to human concepts, and the hellhound could show the human the secrets of the hellish realm.
Some of the more popular human characters could be those who form unexpected alliances with the main Helluva Boss characters. A human who teams up with Blitzo, for instance, and helps him with his assassination business in a way that no other demon could. This human might have a unique skill set or perspective that makes them stand out in the fanfiction community.
One idea could be a crossover with Hazbin Hotel. The characters from Helluva Boss could interact with those from Hazbin in the chaotic afterlife setting. For example, Blitzo could try to hire some of the Hazbin characters for a job at I.M.P. Another idea is a crossover with a more mainstream series like Adventure Time. Picture Moxxie and Millie exploring the Land of Ooo and having to deal with its wacky inhabitants while also trying to complete a hit. Or perhaps a crossover with My Little Pony. The contrast between the dark and raunchy world of Helluva Boss and the colorful, friendship - based world of My Little Pony could create some really interesting and comical scenarios.
One idea could be an OC who is a half - demon, half - angel trying to find their place in the Helluva Boss universe. They could have unique powers that come from both sides of their heritage and face discrimination from both demons and angels.
Some of the antagonists from Helluva Boss could also be important characters in the fanfiction. They could try to disrupt the relationship between the hellhound and the human. Maybe a powerful demon who doesn't like the idea of a hellhound getting involved with a human and tries to stop them, creating a lot of conflict and action in the story.
Blitzo is definitely one of the most interesting. His chaotic personality, his past traumas from the circus, and his leadership of I.M.P. offer a lot to write about. You can explore his relationships with his employees, his family issues, and his love - hate relationship with Stolas. Another interesting character is Moxxie. His more reserved and rule - following nature compared to the others provides a contrast that can be fun to play with in fanfiction.
One idea could be to have the characters from Helluva Boss somehow end up in the world of The Loud House. Maybe Blitzo and his crew are on a mission and accidentally cross dimensions. Another idea is a crossover where the Loud siblings get involved in the chaotic business of I.M.P. from Helluva Boss.
A plotline might involve them going on adventures together outside of their usual work - related tasks. They could discover new aspects of each other's personalities and grow closer as a result. Also, there could be a plotline where they face opposition from other characters in the Helluva Boss universe who don't approve of their relationship.
Well, a lot of Helluva Boss fanfiction focuses on redemption arcs. Some characters in the show have morally grey areas, and fanfic writers often explore the idea of them seeking redemption. For instance, characters like Stolas might be written to have a more in - depth journey towards making amends for their actions. And then there's the theme of power struggles. Given the hierarchical nature of Hell in the show, fanfics can delve into how different characters vie for more power or try to maintain the power they already have.
One idea could be exploring the backstories of the minor characters in more detail. For example, delving into Moxxie's childhood and how it shaped him into the imp he is today. Another could be a crossover with another similar animated series, like mixing the Helluva Boss universe with Hazbin Hotel and seeing how the characters interact. Maybe a fanfic could focus on Blitzo's relationship with his family and how it affects his work at I.M.P.