What are some interesting plot ideas for 'the flash barry x oc fanfiction'?

Maybe the OC is from a parallel universe where the rules of the Flash's powers are different. This could lead to a lot of exploration and conflict as Barry tries to understand and work with this new element in his world. The OC could bring new knowledge about speed force that Barry has never known before.

Maybe the OC is a scientist who has developed a device that can temporarily steal The Flash's speed. At first, the OC uses it for personal gain, but then realizes the chaos it's causing in the city. They then team up with The Flash to take down other villains who are after the device. Or, the OC could be a meta - human with the ability to see the future in flashes. The Flash initially doesn't trust the OC, but as they start to have the same visions, they have to work together to prevent a major disaster from happening.

One plot idea could be that Barry discovers a new power that only Caitlin can help him control because of her scientific knowledge. Another could be that they go on a time - traveling adventure together to save Central City from a future threat. Or perhaps they team up to find a cure for a meta - human related illness that is spreading in the city.

An interesting OC could be a villainous character in 'the flash oc fanfiction'. This OC could have the power to steal speed from others. They start targeting The Flash and his allies, causing chaos in Central City. The story could then be about The Flash trying to stop this new threat, while also trying to understand how this villain got their powers and if there's a way to reverse the speed - stealing ability.

One idea could be that the reader discovers she's pregnant and is worried about how Barry will react. Given his life as The Flash, she might fear he won't have time for their family. Another could be that the pregnancy has some sort of meta - human related aspect to it. Maybe the baby shows signs of superpowers even before being born.

One idea could be a race between Superman and Flash that gets disrupted by a common enemy. They then have to team up to defeat this foe while also dealing with their friendly rivalry.

A great plot could be that an old enemy of The Flash targets Caitlin to get to Barry. Barry then has to protect her at all costs. During this time, they go into hiding together. In the process of hiding and fending off the enemy, they discover things about each other that they never knew before. This shared experience strengthens their bond and leads to a new chapter in their relationship.

The relationship could be developed through shared secrets. For instance, the OC could have a secret past related to a meta - human experiment that they don't want anyone to know. Barry discovers this secret and instead of judging, he helps the OC come to terms with it. This mutual trust and understanding can deepen their relationship. Another way is if the OC has a special interest or hobby, like painting portraits of Central City's heroes. Barry could be the subject of one of these portraits, and through this, they start to have deeper conversations about their hopes and fears.

Power exploration is also a theme. Since the OC is often a new addition with unique powers, the fanfiction may explore how these powers work, how they can be controlled, and how they interact with Barry's speed - related abilities. This can lead to some really cool and creative plotlines.

Well, an interesting plot might be that Barry and Kara discover a connection between their powers at a deeper level. For example, their powers are linked to an ancient energy source. As they explore this, they grow closer. Or perhaps there's a plot where Kara is transported to Barry's universe and has to adapt to his world while they solve a mystery that threatens both their universes. There could also be a story where they are forced to hide their relationship from their respective superhero teams for some reason, adding a bit of drama to the mix.