Well, AO3 is a great place to start. It has a very comprehensive tagging system. So, search for 'Percy Jackson' and then look for any tags related to Dragon Ball Z or Super Saiyan. FanFiction.net is also a possibility. However, keep in mind that not all fanfictions may be well - tagged, so you might need to dig a bit deeper. Another option could be some smaller, more niche fanfiction communities dedicated to crossovers, but they might be harder to find.
There's also 'Percy and His Harem of Allies'. In this fanfiction, it combines action and the development of Percy's relationships with his harem. The author does a great job of writing the characters' interactions and how Percy copes with having multiple close relationships. It's a really exciting read.
A really good 'Percy Jackson x Clarisse Fanfiction' is 'When Percy and Clarisse Train Together'. In this one, they are forced to train together and through the process, they discover new things about each other. They start to respect each other more and it's a great read for those who like character - development - focused stories.
One aspect of 'Percy Jackson x Gaia Fanfiction' could be the unique power dynamics. Percy has his own set of powers from being a demigod, and Gaia is an extremely powerful primordial goddess. Their interaction in fanfiction might explore how Percy, with his courage and skills, contends with Gaia's all - encompassing power. It could also delve into the moral and ethical implications of Percy's relationship with such a powerful and ancient being.
The theme of family also comes up. Percy has a complex family situation, and Hestia can be seen as a mother figure in some fanfictions. This relationship can explore what it means to have a stable and loving family member in the chaotic world of Percy Jackson. It can also show how Percy responds to this new kind of family connection, perhaps growing and maturing as a result of Hestia's influence.
Another theme is friendship within the harem. Often, the members of Percy's harem are his friends first, and the fanfictions explore how these friendships can transform into something more. They also show how the characters support each other through various challenges.
Percy's development could involve him using his skills in a new way. For example, his ability to control water could be combined with Elsa's ice in creative ways. This would make him more adaptable. Elsa could develop by seeing Percy's loyalty to his friends and trying to form deeper connections herself. As they interact more, they could influence each other's values. Percy might become more patient like Elsa, and Elsa could become more bold like Percy.
There are quite a few interesting 'Percy Jackson x Clarisse Fanfiction' out there. For example, 'A New Perspective' focuses on Clarisse's view of Percy. It's really interesting as it delves deep into her thoughts and how she gradually changes her perception of him. Also, some fanfictions show their relationship evolving in a post - war scenario, where they have to work together to rebuild Camp Half - Blood.
In Percy Jackson x Calypso fanfic, their relationship is often complex. Calypso is a character with a tragic past, being trapped on her island. Percy, on the other hand, is a hero. Their interactions can range from a sense of mutual understanding to a more romantic undertone. The fanfic might explore how Percy's heroism affects Calypso and how she, in turn, changes his view of the world. It could also delve into the idea of forbidden love, as Percy has other obligations and relationships in the original story.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like Archive of Our Own. There you'll find various takes on their relationship, from Percy having an unexpected encounter with Aphrodite that changes his view of love, to more complex storylines where Aphrodite plays a role in Percy's adventures in unexpected ways.