One idea could be a demigod who is on a quest and accidentally stumbles upon a god's secret lemon grove. The god, instead of being angry, is intrigued by the demigod's courage and they start an unexpected friendship that develops into a story of mutual growth and discovery.
A demigod and a god could be rivals in a lemon - themed competition in the divine realm. The demigod, using their wits and the skills they've learned on Earth, challenges the god. Along the way, they learn more about each other's strengths and weaknesses, and eventually respect is born out of their rivalry.
Perhaps a demigod is given a lemon as a magical gift from a god. But the lemon has the power to either grant great power or bring great misfortune. The demigod has to figure out how to handle this gift, with the god watching and guiding from afar. This could lead to a series of adventures and moral dilemmas.
A cool plot could involve a demigod who has the power of prophecy. They get a vision about the Hunger Games before they are selected as a tribute. So, they start preparing in unique ways, like training in secret to use their demigod powers more effectively. And once in the arena, they use their prophetic knowledge to outwit their opponents. For example, they know which parts of the arena are going to be dangerous at certain times and can avoid them.
Perhaps a plot where Harry discovers he is a demigod and has to navigate the wizarding world while also dealing with the challenges that come with being a demigod. He might have to face new enemies that are interested in his dual nature.
One idea could be that the forgotten demigod discovers a hidden power within themselves that is related to an ancient and forgotten god. This power could set them on a journey to find out more about their heritage and also put them in a position to save the demigod world from a new threat.
One idea could be an OC demigod who has the power of a forgotten god. They could use this power to help the main characters in unexpected ways, like having the ability to manipulate time on a small scale during battles. Another plot could involve the OC demigod trying to find their place in the world of Highschool DxD, being half - god and half - something else. They might struggle with acceptance from both the devil and angel factions.
Perhaps Percy discovers a hidden prophecy that involves him sacrificing something dear to him to save the demigod world once and for all. This could lead to a lot of internal struggle as he decides what to do. In the fanfiction, he could journey to places never before explored in the original series to find answers.
Perhaps a story where Percy gets transported to a different era in the demigod world. He could be in the time when the first demigods were discovered and has to deal with the primitive and different rules and threats of that time. He might also learn some long - forgotten secrets about his own powers.
One idea could be a story about a young demigod who discovers a hidden power within themself and has to use it to stop an ancient evil that is rising in the demigod world. This could involve a journey of self - discovery as well as battles against powerful foes.
A really interesting plot could involve Percy being in a situation where he has to use the powers he inherited from Gaea to save the world from a new and greater threat. However, the other demigods don't trust him at first. So he has to not only fight the external threat but also earn the trust of his comrades. He might discover ancient secrets about Gaea that could either doom or save the world, and he has to make a difficult choice based on that knowledge.
Perhaps there is a situation where they have to team up to protect the Earth from a new threat. In the process, they discover feelings for each other that they hadn't expected. Their relationship then develops against the backdrop of this high - stakes adventure.
Perhaps in the fanfiction, Superboy visits a parallel universe where everything is lemon - scented and lemon - colored. There, he meets an alternate version of himself who has a special connection to lemons, like being able to draw power from them. They team up to fight a common threat that is trying to destroy both universes.