Well, perhaps a plot where the oc Zerg form an unlikely alliance with a group of humans. They realize they have a common enemy, like a powerful alien race that is also targeting Earth, and they work together, sharing their unique abilities to fight this new threat.
One interesting plot could be the Zerg adapting to Earth's unique environments. Maybe they find some plants or substances on Earth that either help or hinder their growth and evolution.
A possible plot is the Zerg's attempt to assimilate Earth's technology. They might start by taking over small research facilities and reverse - engineer human devices. This could lead to a new form of Zerg that combines their biological superiority with human - made technology, creating a whole new set of challenges and adventures.
There could be a Zerg leader - type character that has the intelligence to communicate with humans. This character might be trying to find a new home for the Zerg on Earth without completely destroying the planet. It would be a complex character, having to balance the needs of its own race with the potential harm to Earth and its inhabitants.
Another plot could involve the OC king's relationships. He might have an unexpected alliance with a powerful but previously hostile house through a marriage of convenience. This could lead to a whole new power dynamic in Westeros as they combine their forces. Or perhaps he has a secret friendship with a commoner who becomes his most trusted advisor, which goes against the traditional norms of the land.
Perhaps the OC with plant powers has to defend a magical garden from dark forces. The plants could transform into warriors or create barriers to keep the intruders out. It could be a story full of action and magic.
Maybe there's a plot where the OC and Matt team up to expose a medical malpractice in the hospital. They face a lot of obstacles together, which makes their relationship more complex and interesting.
One interesting plot could be the challenges the OC faces while being pregnant in a world full of supernatural elements like Damon's. Maybe she has to deal with vampire enemies who see her unborn child as a threat. Another could be Damon's struggle to protect the OC and the baby, as his vampire nature might put them in danger at times.
There could be a plot where the OC is from another dimension. This OC has special powers and lands in Gotham. Batman initially suspects the OC but as time passes, they start to trust each other. Meanwhile, characters like Poison Ivy and Harley Quinn are drawn to the OC's otherworldly charm, leading to the formation of a harem. The group then has to deal with threats that cross dimensions.
In some 'oc son of goku fanfiction', a common plot is the OC's struggle with his identity. He is the son of Goku, a great hero, but he wants to make a name for himself. So he might embark on a quest to find a new form or a new fighting style that is all his own. Also, there could be a plot where he has to deal with the jealousy of other Saiyans who feel he gets special treatment due to his father.
In some 'pokemon ash and oc fanfiction', the plot might revolve around the OC coming from a different region with a whole new set of Pokemon. This could introduce Ash to new training techniques and Pokemon species that he hasn't encountered before, adding a fresh dimension to his journey.
In some fanfiction, an OC might be a talented artist. She meets Anthony at an art exhibition. The plot could revolve around how Anthony, who is initially only interested in finding a proper wife, discovers a new side of himself through his interactions with the OC. As they spend more time together, he begins to value art and creativity more, and of course, they develop deep feelings for each other.
Well, a great plot might be an OC who has a special gift for healing. In the Hunger Games, instead of just fighting, this character focuses on helping other tributes who are injured. This creates a whole new set of challenges and relationships as they try to survive while also being a healer. And there could be a plot where an OC is from a district known for its art, and they use their creativity to make traps and defenses in the arena.