Well, a common theme is the clash of different worlds in the crossover. In a Fullmetal Alchemist Greed crossover fanfiction, this might mean the world of alchemy colliding with other fictional realms. Greed's nature as a homunculus makes him a great character to explore this. He might be attracted to the treasures or powers of the other world, leading to all sorts of adventures. Another theme is friendship or enmity. Depending on how the author writes it, Greed could form unexpected friendships with characters from the crossover, or he could be their worst enemy. And then there's the theme of self - discovery. Greed might learn something new about himself when faced with the different cultures and rules of the crossover world.
One popular theme is the exploration of Greed's complex character in the crossover setting. Since he has his own unique set of desires and moral ambiguities, it often leads to interesting storylines where he interacts with other characters from different universes or story arcs within the Fullmetal Alchemist world. Another theme could be the power dynamics. How does Greed's power compare and interact with the powers of characters from the crossover? It can create some intense battle or cooperation scenarios. Also, the theme of redemption sometimes shows up. As Greed is a character with a lot of 'greed' (obviously), his journey towards possible redemption or further fall into his vices can be a fascinating plot point in fanfictions.
One popular theme is exploring the backstories of the characters more deeply. For example, there are many fanfictions that focus on the childhood of Edward and Alphonse, or the past of other characters like Roy Mustang. Another common theme is alternate universes, where the events of the original story are changed in significant ways, like if alchemy worked differently or if certain characters had different roles.
A fanfiction might focus on a romantic relationship between Greed and the OC. Given Greed's nature, it would be a complex relationship. The OC could be initially attracted to Greed's boldness and power, but then has to deal with his flaws. Greed, on the other hand, might find the OC's purity or uniqueness captivating, and they have to navigate through the dangerous world of alchemy and power struggles while also dealing with their growing feelings for each other.
Well, a common theme is redemption. In Fullmetal Alchemist Gamer Fanfiction, characters might seek to atone for their past mistakes through their actions in the game. Adventure is also big. Fans love to write about the characters going on epic quests within the game, facing new and exciting enemies. And of course, there's the theme of friendship. The bonds between characters are strengthened or tested as they play the game together.
One popular theme is the exploration of the complex relationships between characters. In Fullmetal Alchemist, the characters have deep bonds, and in lemon fanfiction, these can be explored in a more romantic or even sensual way without being overly explicit. Another theme could be the alternate universe scenarios where the characters' fates are different, leading to different relationship dynamics.
One popular theme is 'what if' scenarios. For example, what if a certain character had made a different choice during a crucial moment in the story? It allows writers to explore different storylines and character developments.
Well, one popular theme could be alternative universes where the characters have different relationships or occupations. For example, an AU where Edward and Alphonse are detectives in a steampunk city. Another theme might be character growth and redemption arcs that are explored more deeply than in the original work. And sometimes, there are themes related to exploring the backstories of the minor characters in more detail.
The plot could involve the OC being a alchemist on a quest for a powerful alchemy item. Greed, sensing an opportunity for himself, joins the OC. Along the way, they encounter various enemies and obstacles. For instance, they might have to face off against other homunculi who don't want Greed interfering in their plans. The relationship between Greed and the OC could start off as a simple partnership but evolve into a deep friendship or more as they rely on each other to survive.
A common theme is the clash of different power systems. Alchemy and magic are very different, and seeing how the characters from each world react to the other's power source is interesting. For instance, wizards might be amazed at the physical transformations possible through alchemy.
The time - travel trope is seen often in Fullmetal Alchemist fanfiction. Maybe a character goes back in time to prevent a certain tragedy from happening. Redemption arcs for some of the more morally ambiguous characters are also popular. Fans like to explore how characters like Scar could find redemption in different ways. And of course, there are the typical 'enemies - to - lovers' tropes, especially for characters who start off on opposing sides like Roy Mustang and some of the antagonists.