In many fanfictions, Percy might use his water powers in a unique way. Maybe he combines his control over water with his sword fighting skills. He could create a giant water vortex to disorient Kronos and then strike with Riptide while Kronos is off - balance.
Some of Kronos' minions, like the monsters he commands, could be antagonists. For instance, the dracaenae. They are always eager to prove themselves to Kronos and might see Percy as competition within Kronos' ranks. They could constantly try to undermine Percy's position and cause trouble for him.
Well, in the Kronos origin story, Kronos is a significant figure. He emerged in the context of the Greek mythological cosmos. As I mentioned before, his actions were driven by power and the fear of being overthrown. His relationship with his family members, like his parents Uranus and Gaia, and his own children, was complex. His reign was marked by this cycle of fear and the attempts to prevent his downfall. And it was Zeus who finally broke this cycle and brought about a new order in the Greek mythological world.
Maybe there are some original characters created by the fanfiction author. These characters could have their own unique abilities and backstories. They might be the ones who tip the scales in Percy's favor, for instance, by having a special power that weakens Kronos just before Percy makes the final blow.
Luke could also be a prominent character. Since he has a complex relationship with Kronos in the original story, in fanfiction he could play a role in either helping or hindering fem Percy's efforts against Kronos. Nico di Angelo is another possibility. His powers over the dead could be useful in a fight against Kronos, and he might team up with fem Percy for that reason.
To develop the character, start with his backstory. Since he's the son of Kronos, he might have grown up in a very different environment compared to other demigods. Maybe he was hidden away by a minor god who felt sorry for him. His past experiences of being alone and shunned because of his father would shape his personality, making him a bit of a loner at first.
Well, for 'percy x kronos fanfic', there are some really creative ones out there. Some focus on a world where Kronos is redeemed in part because of Percy's influence. In these fanfics, the authors often play with the idea of fate and how two such opposing characters could come together. For example, in 'A New Beginning', it shows Percy trying to understand Kronos' past and how that could lead to a different future for them both.
Fanfiction about Kronos, the Titan of Time, can be really interesting. It often explores his power over time in unique ways. Some fanfictions might focus on his backstory, like his rise and fall among the Titans. Others could be more about his relationships with other deities or mortals in a fictional, creative context.
In fanfiction, Kronos's role is not just limited to being a villain. Sometimes, he can be a catalyst for character development among the demigods. His actions force the heroes to become stronger, both physically and mentally. For instance, his threat might make Percy Jackson more determined to master his powers. Also, Kronos can be used to introduce new plot elements, like a new weapon or a magical item that has the power to stop him.
Yes, there are likely some fanfictions out there with this concept. The Percy Jackson fandom is quite large and creative, so it's possible for fans to explore such an interesting and unorthodox relationship in their stories.