There's a proactive Merlin fanfiction where Merlin anticipates Morgana's fall to darkness and tries to prevent it proactively. He might seek out ancient magic or artifacts that could cleanse the dark magic within her before it takes over. This would involve him going on quests, facing various challenges, and using his wits and magic to outsmart the forces that are pulling Morgana towards evil.
A great proactive Merlin fanfiction is the one where Merlin decides to form an alliance of magic - users in Camelot. He actively recruits people with magical abilities, hidden in the kingdom. He creates a secret society where they can learn to control their powers and use them for the good of Camelot. This would show Merlin as a true leader, taking matters into his own hands to protect those with magic and the kingdom as a whole.
One interesting proactive Merlin fanfiction could be where Merlin uses his magic more openly to change the political landscape in Camelot. For example, he might secretly influence laws that are unfair to the common people. Another could be about Merlin taking proactive steps to train Arthur in magic, defying the ban in Camelot. This would add a whole new dynamic to their relationship as Merlin tries to make Arthur see the value of magic in a different way.
When writing a proactive Merlin fanfiction, consider his strengths and how he can use them more actively. Merlin has powerful magic, so he could be using it to explore the magical world beyond Camelot. He might discover new spells or magical creatures that could help Camelot in the future. Also, think about his relationships. He could be more proactive in his friendship with Gwen, helping her to gain more influence in Camelot. And in terms of the overall plot, make Merlin the driving force. Let him initiate events, not just react to them. For example, he could start a movement to change the way magic is perceived in Camelot long before the big threats arrive.
A great Merlin stories fanfiction idea is one where Merlin has to go back in time to correct something that went wrong in Camelot's history. This could involve him having to face his younger self and convince his past self to make different choices, all while trying not to disrupt the timeline too much.
There are some that depict Merlin as a street magician in modern London. He uses his real magic in his shows, but people think it's just clever illusions. He meets Arthur, who is a skeptic at first but then becomes intrigued by Merlin's seemingly unexplainable tricks.
One interesting Merlin and Arthur fanfiction could be where Merlin reveals his magic to Arthur in a very unexpected and comical way. For example, during a royal banquet, when a knight accidentally drops a sword that's about to impale Arthur, Merlin freezes time and casually walks over to pick up the sword, then unfreezes time and acts like nothing happened. Arthur is left completely bewildered until Merlin finally confesses his powers.
In a footloose Merlin fanfiction, perhaps Merlin and Arthur are both in a land where dancing is forbidden. Merlin, being the more rebellious of the two in this regard, decides to secretly teach Arthur some dance moves. As they practice in a hidden corner of the castle, they form a closer bond, and Merlin uses his magic to make sure they don't get caught. This could be a fun and light - hearted fanfiction exploring their relationship in a new context.
Well, in some Merlin death fanfiction, Merlin might die in a battle against an ancient evil. His death could lead to a series of events where Camelot starts to crumble without his magic and wisdom. However, his legacy lives on through the people he has inspired. There are also stories where Merlin's death is foretold in a prophecy, and he spends his last days trying to prepare Camelot for the future without him.
There could be a fanfiction where Merlin uses his magic in a different way than in the original series. For example, he might use it to create a magical school in Camelot, teaching other young magic - users how to control their powers. This would change the whole dynamic of Camelot and its relationship with magic.
One interesting Merlin is king fanfiction could be about how Merlin uses his magic to bring about a new era of peace and prosperity in Camelot under his rule. He might introduce new laws that are fair to all, regardless of their social status or magical abilities.
One interesting Merlin wings fanfiction could be about Merlin using his magical wings to save Camelot from a dark sorcerer. He might fly above the city, using his powers in new and unexpected ways.
There are numerous Merlin kid fanfiction ideas. Some might explore Merlin's childhood friendships. He could have a best friend who doesn't know about his magic at first, but later discovers it. Then there are those that look at his relationship with the local village kids. Maybe he uses his magic to create little wonders for them, like making flowers bloom in winter. Also, a fanfic could be about Merlin as a child getting visions of his future and how he tries to understand and deal with them.