Start with a bang. Maybe introduce the OC Empousa in a really interesting situation, like it's in the middle of a hunt. You could also start with Percy having a premonition about something strange related to Empousai. This grabs the reader's attention right away.
To make it compelling, the fanfiction should explore the themes of redemption and identity. The OC Empousa could be struggling with its new identity as a monster, and Percy could help it see that it doesn't have to be defined by what it has become. The use of Greek mythology should be accurate but also creative. For instance, you could introduce new interpretations of old myths related to Empousai. And the pacing of the story is crucial. It should build up the tension gradually, leading to a satisfying climax.
Well, think of an Empousa as a being with a body that seems to be made of shifting shadows. Her legs are like those of a goat, but instead of normal fur, it's a matted, dark substance that glistens as if wet. Her hands are long and claw - like, with nails that look like they could rip through steel. And her face, it has a beauty that is marred by a cruel, twisted smirk that gives away her true nature.
Well, for a Percy Jackson Empousa fanfiction, you could have a plot where an Empousa is hired by a villain to steal a powerful artifact from Camp Half - Blood. Percy and his friends then have to track her down. Or, perhaps an Empousa is cursed by a god to be good, and Percy has to help her adjust to this new way of life. Also, there could be a story where an Empousa is the key to unlocking an ancient prophecy, and Percy must protect her from those who want to use her for their own gain.
I highly recommend 'The Outcast Demigod'. This fanfiction features an OC who doesn't fit in at first. The author does a wonderful job of showing the OC's struggle to find their place among the other demigods. It has some really intense battle scenes and a lot of heart - warming moments as the OC forms friendships. The story also delves into the OC's backstory in a very interesting way, making it a great piece of fanfiction.
Another ability could be 'Inventory Management'. The OC can access a virtual inventory like in a role - playing game. They can store items in it, and when needed, pull out useful things such as magical weapons or potions. It's like having a portable storage space that only they can access, which gives them an edge in battles and quests.
For beginners, 'A New Beginning at Camp Half - Blood' is a good choice. It has a simple yet engaging plot. The OC is easy to understand and relate to. The story doesn't have overly complicated mythological references that might confuse new readers. It focuses more on the OC's journey of discovery at the camp.
In a 'Percy Jackson and a OC love fanfiction', you could also use the element of sacrifice. Let's say the OC is in danger of being captured by a powerful enemy. Percy risks everything to save her. This act of selflessness makes the OC see Percy in a new light. On the other hand, the OC could also sacrifice something for Percy, like giving up a chance to go back to her old life in order to stay with him at Camp Half - Blood. These sacrifices deepen their connection and lead to a stronger, more loving relationship.
One great Percy Jackson and OC romance fanfiction is 'A New Beginning'. It has a really well - developed OC character who has a unique backstory. The relationship between Percy and the OC grows gradually and realistically, with lots of sweet moments.
One great 'Percy Jackson and OC Love' fanfiction is 'Love in Camp Half - Blood'. It has a really interesting plot where the OC has unique powers and her relationship with Percy develops in a very engaging way. The author does a wonderful job of integrating the OC into the existing Percy Jackson world.