A plot could involve Percy discovering a hidden power within him that is related to Pontus. Maybe he has the ability to control a special type of sea creature that was thought to be extinct. As he tries to master this power, he could face opposition from those who fear his new - found strength. He might also meet other demigods who are either helpful or hindering his journey of self - discovery.
One idea could be Percy discovering new powers related to being the son of Pontus. For example, he might be able to control underwater currents in ways he couldn't before. Another plot could involve him having to face a new type of sea monster that is specifically drawn to his Pontus heritage. He could also go on a quest to find an ancient artifact related to Pontus that has the power to either save or destroy the underwater world.
Well, it could be about Percy having to deal with the powers and heritage that come with being the adopted son of Pontus. Maybe he discovers new underwater abilities that are different from his Poseidon - given powers. He might also have to face enemies who are after the secrets Pontus has.
The plot could involve Percy's journey to discover the true meaning of being the son of Gaea and Pontus. He could be on a quest to find out more about his parents' realms and how they interact with the world of the demigods. Along the way, he may encounter mythical creatures that are related to Gaea and Pontus, and he has to either fight them or make peace with them. There could also be a sub - plot about Percy's relationships with his friends at Camp Half - Blood, as they struggle to accept this new side of him.
Perhaps Percy discovers a prophecy related to his birth. It could state that he is the key to either saving or destroying the world. This would create a lot of internal conflict for him. On one hand, he has his friends and the people he cares about in the mortal world. On the other hand, his powers and his role according to the prophecy could force him to make some very difficult choices.
A plot could revolve around Percy being the only one who can stop an ancient curse that is affecting the descendants of Bastet. He has to search for the source of the curse, which leads him through different magical realms. Maybe Percy has to use his unique abilities, like enhanced speed and agility that come from being Bastet's son, to outwit the dark forces behind the curse. Also, he could form an alliance with other demigods from different pantheons to succeed in his mission.
His fellow demigods could be potential allies. They might understand his struggles and be willing to fight alongside him. For example, a demigod with water - based powers could complement Percy's abilities. Also, some sea nymphs who have a connection to Pontus might offer their help. They could provide valuable information about the underwater world and its secrets.
One common theme is identity. Since Percy has a different parentage than in the original stories, he often has to figure out who he really is. Another theme is power. Discovering his powers as the son of Pontus and Thalassa and learning to control them is often explored.
One idea could be Percy going on a quest that was pre - ordained by the Fates. He discovers that his every move is part of a larger plan they have for the demigod world. For example, he might be sent to retrieve an ancient artifact that holds the key to maintaining the balance between the gods and the Titans, and along the way, he has to face challenges that test his loyalty to the Fates' plan.
Well, a great plot for Percy son of Neptune fanfiction could involve Percy getting lost in a time - warp within the ocean. He could end up in an era where Neptune was just starting to gain his powers. This would force Percy to interact with a younger version of his father and also deal with the different rules and threats that existed back then. Additionally, Percy could find a way to bring some knowledge from that time to his present to help in a current conflict. Also, Percy might have to team up with some primitive sea creatures who have their own unique abilities and motives.
One idea could be Percy having to prove himself to Zeus. Since he's his son in this fanfiction, Zeus might be overly critical. Percy could go on a quest to retrieve a powerful artifact that was once Zeus's but was lost. Another plot could involve Percy's relationships with other demigods changing. They might be jealous or in awe of his new status as Zeus's son.