Well, in fanfiction, perhaps Calypso uses lemons in a spell to communicate with Percy when he's far away. Since Percy has a connection with her already, the lemons act as a sort of conduit. And then there could be a whole adventure where Percy has to find ingredients to strengthen this lemon - based communication spell to save Calypso from some danger.
A really interesting fanfiction idea could be that Calypso is in a new realm where lemons are a rare and precious commodity. Percy, being the hero he is, tries to find a way to bring lemons to her. Along the way, he discovers that the lemons are the key to unlocking a hidden power within Calypso that she didn't know she had. This could lead to a story of self - discovery for Calypso and a strengthening of their relationship.
One idea could be Calypso using her powers to help Percy in a new and unexpected way during a quest. Maybe she creates a special lemon - scented shield that can protect against a certain type of monster.
In some fanfictions, their interactions are filled with a bit of tension. Calypso, having been alone for so long, may be hesitant to fully trust Percy at first. But as he continues to visit her and bring her lemons, she slowly warms up. They start to share stories, with Percy telling her about his adventures at Camp Half - Blood and Calypso sharing her knowledge of the island's secrets. Their relationship builds over time, and the lemons can be seen as a symbol of their growing bond.
A great plot might involve Percy and Calypso going on a quest to save a group of demigods. Along the way, they face various monsters and challenges, and their relationship deepens as they rely on each other. They could also discover some hidden secrets about the gods during this quest.
A fanfic could explore the relationship between Percy, Calypso and the symbol of the lemon. Maybe the lemon is a rare fruit on Calypso's island and Percy has to go on a quest to find more lemons for a ritual. During this quest, they face various challenges together and their relationship deepens.
In a more detailed fanfic scenario, the lemon could have been cursed by an enemy. When Percy brings it to Calypso's island, it starts to cause strange things to happen. Calypso, with her knowledge of magic, and Percy, with his combat skills, must work together to break the curse. Along the way, their bond grows stronger as they face difficulties, and the lemon becomes a central focus of their journey, not just a physical object but a symbol of their combined efforts against the forces that oppose them.
One interesting fanfiction could be where Percy and Calypso reunite after a long time apart. In this story, Percy has finally found a way to return to Calypso's island. They pick up right where they left off, sharing their adventures and feelings. Calypso shows Percy new parts of her island that she had kept hidden before.
One interesting Percy Jackson x Calypso fanfiction could be where they finally get a chance to have a proper adventure together outside of Calypso's island. In this story, they might face new monsters and challenges that test their relationship and individual strengths.
One interesting plotline could be Calypso and Leo's adventures together after leaving the island. They might encounter new monsters and have to use their combined skills to survive. Another could be a love triangle situation involving Percy, Calypso, and Leo which adds drama and tension to the story.
One interesting storyline could be Percy and Zoe teaming up with Lemon on a quest. Maybe they are searching for a lost artifact that has the power to save the demigod world. They face various monsters along the way and have to use their combined skills, like Percy's water - controlling abilities, Zoe's archery skills, and Lemon's unique talents (which could be something like super - intelligence or the ability to communicate with animals).
In certain fanfictions, Percy's mom could be growing lemons in her garden, and these lemons are not ordinary. They might be a gift from a god or goddess. The lemons could have powers like granting temporary invisibility when consumed. This could play a significant role in the story, for example, when Percy needs to sneak into a dangerous place, his mom gives him a lemon to eat so he can pass unnoticed.