To develop Percy, you could explore his insecurities. He might be worried that he's not good enough for Annabeth. As they interact more in the fanfic, he overcomes these insecurities because of Annabeth's belief in him. For Annabeth, show her creativity. Maybe she comes up with unique ways to bond with Percy. For example, she creates a little game that only they can play. This helps them get closer and closer until their first significant moment together.
In a 'first time' fanfic for them, Percy can be developed by highlighting his loyalty. He wants to make sure Annabeth knows she can trust him completely. So he might do small things like always being by her side when they face danger. Annabeth can be developed through her intelligence. She could use her knowledge to solve problems that they encounter, which in turn makes Percy admire her more. And this mutual admiration can lead to their first real emotional connection.
For Percy, you can show his growth in understanding his feelings for Annabeth. He could start off being a bit clumsy with his emotions, like not knowing exactly how to express himself. But as the story progresses, he becomes more confident and sincere. For Annabeth, you can focus on her vulnerability. Usually she's so strong and in control, but in a 'first time' situation, she can show her softer side. Maybe she's a bit nervous about opening up to Percy completely.
The relationship could start with Percy and Annabeth being overprotective parents. Percy might be constantly worried about the baby's safety near water, while Annabeth would focus on teaching the baby knowledge and wisdom. As the baby grows, they could start to have little adventures together. For example, the baby could go on a mini - quest with them around Camp Half - Blood, which would strengthen their bond.
One great fanfic about Percy and Annabeth's first time might focus on their emotional connection deepening. It could show how their shared experiences in previous adventures led to this moment. For example, their trust in each other during battles and quests made them more open to a new level of closeness. The author might describe the setting as a quiet place, perhaps by the sea which has significance in their relationship. This allows them to be vulnerable and explore their feelings without distractions.
They can develop their relationship by having deep conversations. For example, sharing their fears and dreams about their future together. Maybe Percy tells Annabeth about his insecurities of not being a good enough husband sometimes, and Annabeth reassures him.
Percy could be developed as a more brooding and conflicted character. His powers might be darker and less controlled, which makes him a danger to those around him, including Annabeth. Annabeth, on the other hand, could become more determined and a bit more ruthless in her attempts to save Percy from his dark self.
Percy might develop more of a steely determination. In Tartarus, he has to face extreme danger, which could make him even more resolute in protecting Annabeth and getting out. Annabeth, on the other hand, could become more resourceful. She'd have to use her wits in this strange and deadly place.
To develop the relationship between Percy and Athena, Athena could start to see Percy in a new light. Maybe she gives him a special task that requires his unique skills. As Percy succeeds in parts of it, Athena begins to respect him more. This could also make Annabeth proud of Percy, and strengthen their relationship as a couple. For Annabeth and Athena, they could have more mother - daughter like moments where Athena imparts some of her deep wisdom to Annabeth, which in turn helps Annabeth in her relationship with Percy.
For Percy, his punk personality can be shown through his disregard for mainstream rules. He might have a non - conformist attitude, always ready to question authority. His style of dressing, with leather jackets and spiky hair, can be a visual cue. For Annabeth, her preppy side can be seen in her love for order, her neat appearance, and her involvement in preppy activities like school clubs. Their interactions can then develop their personalities further. For example, when Percy challenges Annabeth's structured way of thinking, it forces her to be more open - minded.
Well, in the House of Hades, they could be put in a situation where they have to make a huge sacrifice for each other. For example, if there was a curse that could only be broken if one of them took on all the pain and suffering of the other. Percy would probably volunteer immediately for Annabeth, and vice versa. This act of selfless love would strengthen their relationship. Also, they could have some light - hearted moments in the middle of all the darkness. Like finding a small, safe haven in the House of Hades where they can just be themselves and have a picnic or something, which would add a new dimension to their relationship.
In this fanfic, Percy could develop a darker side. The horrors of Tartarus might make him more ruthless when it comes to protecting himself and Annabeth. Annabeth, on the other hand, may become more empathetic. She could see the pain and suffering of the other beings trapped in Tartarus and try to help them, which would shape her character in a new way. Also, their relationship would develop further. They would have to trust each other completely, and this could lead to a more mature and deep connection between them.
One possible plot could be that they are on a quest together in a new and dangerous place. They have to rely on each other more than ever. As they face challenges, they start to realize their feelings in a deeper way. At the end of the quest, in a quiet and beautiful spot they found during their adventure, they share their first kiss and have a deep conversation about their future together.