Her character could be developed by showing her internal struggle. She was born of Gaea, so she has this loyalty to her mother, but she also has a sense of right and wrong. This conflict could be explored through her actions and decisions. For example, when she has to choose between following Gaea's order to destroy a village or saving the villagers.
Perhaps the Daughter of Gaea is sent on a mission by Gaea to infiltrate Camp Half - Blood. But instead of causing harm, she falls in love with the sense of community there. She starts to secretly help the campers prepare for Gaea's attacks. She could use her connection to the earth, which is different from the demigods' but still useful, like sensing when Gaea is about to send her minions.
One great 'Percy Jackson Gaea' fanfiction is 'The Battle Against Gaea's Wrath'. It continues the story after the end of the main series, with Percy and his friends facing new threats related to Gaea. The author does an amazing job of keeping the characters' personalities intact.
One possible fanfiction could be about Percy Jackson having a strange encounter with Gaea's power while in a lemon grove. Maybe the lemon trees are enchanted by Gaea, and Percy has to figure out how to break the spell without getting caught in Gaea's grander plans for chaos.
In the Percy Jackson series, Gaea is a villain, and a love relationship between Percy and her in the context of the original story is very unlikely. However, in the world of fanfiction, anything can be created. There might be some fanfictions exploring such a strange and dark concept, but it would be a very unorthodox take on the characters.
One idea could be a crossover where Naruto's world is somehow connected to Percy Jackson's, and Gaea's influence seeps into both. For example, Gaea could manipulate the natural elements in Naruto's world, like the forests and mountains, similar to how she does in Percy Jackson's world. And Naruto, with his ninja skills, teams up with Percy to fight against Gaea's chaos.
This is a really interesting concept. In the original Percy Jackson series, Percy is the son of Poseidon. But in this fanfiction idea, if he were the son of Gaea and Tartarus, it would completely change his character and the story. His powers would likely be much darker and more primal. He might have an in - depth connection to the earth and the abyss, which could lead to some really unique storylines.
In a fanfiction, the outcome could be whatever the writer wants it to be. If the writer wants to show Percy as an underdog who overcomes all odds, he could win. He might discover a new power or find a weakness in Gaea. For example, he could find that Gaea is vulnerable to a certain type of water, like water from a sacred spring. But if we look at their basic powers, Gaea is extremely powerful. She can create mountains and valleys with a thought. Percy would have to be extremely lucky and resourceful to defeat her.
Well, it would be a really strange and dark turn. Percy is a hero who has always fought against the forces of chaos like Gaea. If he joined her, he might use his powers over water to cause massive floods and destruction on her behalf. His friends would surely be horrified and would probably try to stop him at all costs.
In a 'Percy Jackson Husband of Gaea' fanfiction plot, perhaps there's a prophecy that foretells of Percy being united with Gaea. Percy initially resists, but as events unfold, he realizes that there's more to Gaea than just the evil entity he thought she was. They could start to work together to bring about a new order in the world of the gods and demigods. Along the way, they face opposition from other gods who see their union as a threat. Percy has to balance his loyalty to his friends and his new - found relationship with Gaea, all while trying to understand his role in this strange new world order.