Well, there's this fanfiction called 'Prototype Meets Highschool DxD: A New Alliance'. In this story, the protagonist from Prototype somehow ends up in the Highschool DxD world and has to form alliances to survive. It's full of action and some unique character development. There are also some fanfictions that focus on a particular character from each universe interacting, like a character from Prototype and Issei from Highschool DxD, which can lead to some really exciting and unexpected plot twists.
There are a number of fanfictions in this category. 'Prototype Elements in Highschool DxD' is one where the powers and concepts from Prototype are slowly introduced into the Highschool DxD setting. It starts with small things like a character having a Prototype - like ability and then builds on it. The author does a great job of maintaining the essence of both universes while creating a new and engaging story. Another interesting one is 'Highschool DxD with a Prototype Twist' which completely changes the power dynamics in the Highschool DxD world by adding Prototype elements, leading to new rivalries and friendships among the characters.
One great piece of fanfiction could be 'Prototype's Impact on Highschool DxD'. It explores how the abilities from Prototype might be integrated into the Highschool DxD universe. Another is 'Hybrid Worlds: Prototype - Highschool DxD' which combines the two worlds in a really interesting way, creating new storylines and character interactions.
One popular 'highschool dxd prototype crossover fanfiction' is 'The Hybrid Hero'. It combines the unique elements of the High School DxD universe with other interesting concepts. The story often has exciting battles and character developments.
One idea could be to create an alternate universe where the main character has a different set of powers. For example, instead of the traditional Sacred Gear, they could have a power related to time manipulation. This would change the dynamics of battles and interactions with other characters.
One great Highschool DxD fanfiction is 'A Devil's Tale'. It has an interesting plot where the main character, a reincarnated devil, has unique powers and goes through various challenges in the DxD world that are different from the original story. Another one is 'Rising of the Gremory'. It focuses on the growth and development of the Gremory family members in new and exciting ways.
There's also 'The New Order of 'Highschool DxD''. This fanfiction offers a fresh take on the story, with unique twists on the power dynamics and relationships. It's a great read if you want something different from the original.
Some highschool dxd fanfictions are centered around the relationships between different characters. For example, the relationship between Rias and Issei is a common theme. These fanfictions can show their love story in different ways, adding more depth and details to their relationship compared to the original work.
One common theme is power. In both Prototype and Highschool DxD, power plays a crucial role. Fanfictions often explore how characters from one universe would adapt to the power levels in the other. For example, a character from Prototype might find the power of the devils in Highschool DxD either overwhelming or underwhelming.
First, familiarize yourself with the original Highschool DxD series. Know the characters, their personalities, and the overall world - building. Then, come up with a unique concept or plot. It could be as simple as a new adventure for the main character or something more complex like a mystery within the school.
Another great fanfiction could be 'When Superman Joins High School DxD'. Here, Superman decides to enroll in the school in the DxD world. His actions and decisions, guided by his strong moral compass, create a lot of interesting situations. It's a story full of adventure, as he has to deal with the various challenges and temptations that the DxD world presents while staying true to himself.
There's also 'Ophis's New Adventure'. In this fanfiction, Ophis embarks on a journey to discover more about the human world, which brings out her curious side. It has some great plot twists and engaging dialogues that keep the readers hooked.
Finding great 'Highschool DxD Doom fanfiction' can be a bit of a hunt. Some stories might focus on the characters from 'Highschool DxD' being thrown into the chaotic world of 'Doom'. Others could be about how the concepts or enemies from 'Doom' interact with the magic and supernatural elements in 'Highschool DxD'. Look for stories with high ratings and positive reviews as they are more likely to be engaging.