Some interesting concepts are crossovers. Combining elements from the Gray Matter game with other games or fictional universes. It could bring in new characters and story elements that create a whole new and exciting narrative. Also, the idea of exploring the backstories of minor characters from the game can be really engaging. We get to know more about their motives, their pasts, and how they fit into the overall world of the game.
The fanfiction could also focus on the character development of Gray. Meeting his counterpart from another world might make him question his own identity and purpose. This could lead to him growing in new ways, perhaps becoming more confident or learning new magic techniques from the Edolas Gray.
Another concept is that dark matter is a source of unlimited power. Fanfic writers might create stories where scientists or adventurers discover a way to harness dark matter's energy, leading to all sorts of technological advancements and power struggles. This could involve creating super - weapons or powering entire civilizations.
One interesting concept could be the creation of entirely new jutsu using matter manipulation. For example, a character might be able to transform air into solid weapons. Another concept could be the ability to manipulate the matter within living beings, perhaps to heal or enhance their physical abilities. And sometimes, it's about using matter manipulation to create large - scale structures like entire cities out of thin air.
One interesting concept could be the unique interpretations of dark matter's properties. Maybe it gives characters in the fanfiction extraordinary powers or abilities related to this mysterious substance.
One interesting concept could be the exploration of new powers for the characters. For example, Allen Walker might develop a different type of Innocence manifestation in the fanfiction. Another could be alternative relationships between the characters. Maybe there are new romantic pairings or stronger friendships that deviate from the original story.
One interesting concept could be how Izuku's dark matter quirk might give him unique abilities like the power to manipulate gravitational forces. It could also lead to a new form of combat style that's different from the traditional quirks in the My Hero Academia universe.
One interesting concept could be the unique character interpretations. Fanfic often explores characters in ways the original might not have fully delved into, like giving more backstory to the characters in 'the gray garden'.
Well, the main protagonist from the game is often quite popular in fanfiction. Their story can be further explored, and different aspects of their personality can be emphasized. Another popular character might be the antagonist, as writers can give more depth to their evil plans or perhaps even give them a redemption arc. And sidekicks or companions of the main character also tend to be popular as they can be developed further and their relationships with the main character can be explored in new ways.
One interesting concept could be the unique relationships that an original character (OC) can form with the existing characters in the D Gray - Man universe. For example, an OC might have a complex friendship or rivalry with the Earl. Another concept could be exploring new powers or abilities that the OC brings to the story, which might change the dynamics of the fight against the Akuma. Also, the fanfiction could delve into different interpretations of the Earl's motives and backstory through the perspective of the OC.
In timeshift game fanfiction, time - travel related concepts are often really cool. Maybe a character goes back in time to prevent a disaster that occurred in the game's story. Or they could travel forward to see the consequences of their actions in the present. There could also be the idea of different time periods in the game world having their own unique cultures and technologies that are explored through the fanfiction.